Patent Applications

Heinz Langhals

146. H. Langhals, 'Verstärkung des Wirkungsgrads von Photovoltaik-Zellen durch optische Kopplung an OBISIM-Fluoreszenzfarbstoffe',
Ger. Offen. DE 102024000070.4 (January 10, 2024).

145. H. Langhals, 'Process to identification and quality control of components for disinfectants',
Ger. Offen. DE 102020002094.1 (April 2, 2020); Chem. Abstr. 2021, AN2174439.

144. M. Versen, M. Wohlschläger, H. Langhals, 'Detection of plastics as foreign substances in food using fluorescence decay time, in particular the detection of foreign matter in meat products',
Ger. Offen. DE 102020001014.8 (Febr. 14, 2020); Chem. Abstr. 2021, AN1805234.

143. H. Langhals, 'Fluorescence marking of lubricants',
Ger. Offen. DE 102018005023.9 (June 22, 2018); Chem. Abstr. 2019, 172, 95336.

142. H. Langhals, R. Greiner, T. Schlücker, 'Perylene fluorescent dyes with increased media-controlled Stokes shift',
Ger. Offen. DE 102017005186.0 (May 31, 2017); Chem. Abstr. 2018, 170, 47672.

141. H. Langhals, 'Fluorophores and their molecular interaction',
Ger. Offen. DE 102017000953.8 (February 1, 2017); Chem. Abstr. 2018, 169, 231329.

140. H. Langhals, M. Eberspächer, 'Process for amination of aromatics under mild conditions with negative activation energy',
Ger. Offen. DE 102016014502.1 (December 1, 2016); Chem. Abstr. 2018, 169, 63014.

139. H. Langhals, M. Eberspächer, 'Method for production of benzoperylene derivatives by Diels-Alder reaction',
Ger. Offen. DE 102016010081.8 (August 12, 2016); Chem. Abstr. 2018, 168, 255854.

138. H. Langhals, T. Schlücker, R. Greiner, D. Zgela, 'Strongly fluorescent and solvatochrome naphthalenecarboximides with aryl substituents attached at the four position',
Ger. Offen. DE 102016004396.2 (April 7, 2016); Chem. Abstr. 2017, 167, 483773.

137. H. Langhals, T. Schlücker, D. Zgela, 'Fluorescence, in particular fluorescence decay time of pyrogenic silicon dioxide as probe for the investigation of media, in particular of polymer materials',
Ger. Offen. DE 102016001546.2 (February 10, 2016); Chem. Abstr. 2017, 167, 279232.

136. H. Langhals, T. Schlücker, 'Process for the long-term documentation of the coloredness of artworks',
Ger. Offen. DE 102015010851.4/DE 102015013393.4 (August 19, 2015); Chem. Abstr. 2017, AN311900.

135. H. Langhals, D. Zgela, 'Fluorescent unsaturated perylene derivative polymer nanoparticles with narrow molecular weight for marking plastics',
Ger. Offen. DE 102015006352.9 (May 15, 2015); Chem. Abstr. 2016, 165, 595098.

134. H. Langhals, D. Zgela, 'Sexterrylenetetracarboxylic acid bisimides used as NIR dyes and NIR pigments',
Ger. Offen. DE 102015002462.0 (February 27, 2015); Chem. Abstr. 2016, 165, 330548.

133. H. Langhals, 'Automatic recognition of plastics on the basis of Gaussian analysis of their autofluorescence for their mechanical sorting',
Ger. Offen. DE 102015001955.4 (February 13, 2015); Chem. Abstr. 2016, 165, 366220.

132. H. Langhals, T. Schlücker, D. Zgela, 'Automatic sorting of polyethylene terephthalate from various sources based on fluorescence decay time',
Ger. Offen. DE 102015001525.7 (February 6, 2015); Chem. Abstr. 2016, 165, 275310.

131. H. Langhals, D. Zgela, T. Schlücker, 'Automatic sorting of polysiloxanes based on fluorescence decay time of self-fluorescence',
Ger. Offen. DE 102015001524.9 (February 6, 2015); Chem. Abstr. 2016, 165, 275307.

130. H. Langhals, T. Schlücker, D. Zgela, 'Automatic sorting of polyethylene based on fluorescence decay time of self-fluorescence',
Ger. Offen. DE 102015001523.0 (February 6, 2015); Chem. Abstr. 2016, 165, 275305.

129. H. Langhals, T. Schlücker, D. Zgela, 'Automatic sorting of plastics based on bi-exponential fluorescence decay times of self-fluorescence',
Ger. Offen. DE 102015001522.2 (February 6, 2015); Chem. Abstr. 2016, 165, 287364.

128. H. Langhals, T. Schlücker, 'Terminally keto-substituted oligothiophenes and use thereof in optical signal transmission',
Ger. Offen. DE 102015000815.3 (January 21, 2015); Chem. Abstr. 2016, 165, 213499.

127. H. Langhals, M. Eberspächer, 'Water nanomicellar solutions naphthalenetetracarboxilic acid bisimides used as sunscreens',
Ger. Offen. DE 102014012594.7 (August 27, 2014); Chem. Abstr. 2015, 162, 454180.

126. H. Langhals, T. Schlücker, P. Knochel, 'Terminal substituted oligothiophenes and use thereof in optical signal transmission systems and/or as color pigments',
Ger. Offen. DE 102014009757.9 (June 26, 2014), PCT Int. Appl. (2015), WO 2015135867 A1 20150917; Chem. Abstr. 2015, 163, 443743.

125. H. Langhals, T. Schlücker, 'The use of dilute chromophore fluorescence decay time for concentration determination',
Ger. Offen. DE 102014006209.0 (April 29, 2014); Chem. Abstr. 2015, 163, 714018.

124. H. Langhals, T. Schlücker, D. Zgela, 'Automatic sorting of polymer materials on the basis of the fluorescence decay time of the intrinsic fluorescence of the polymer and of the fluorescence of marking agents',
Ger. Offen. DE 102014004529.3 (March 27, 2014); Chem. Abstr. 2015, 163, 490838.

123. H. Langhals, P. Knochel, V. Dhayalan, T. Schlücker, C. Sämann, 'Terminal substituted oligothiophenes and use thereof in optical signal transmission systems and/or as color pigments',
Ger. Offen. DE 102014009756.0 (June 26, 2014), PCT Int. Appl. (2015), WO 2015135867 A1 20150917; Chem. Abstr. 2015, 163, 443743.

122. H. Langhals, M. Zwiener, 'Aryl aryl couplings, decarbonylations and decarboxylations of aromatic anhydrides and carboxylic acids using Cu(0)/Cu(I) pair',
Ger. Offen. DE 102013017428.7 (October 10, 2013); Chem. Abstr. 2015, 162, 550341.

121. H. Langhals, M. Eberspächer, 'Azulene in aqueous phase by incorporation in nano-micelles and use in cosmetics',
Ger. Offen. DE 102013014249.0 (August 27, 2013); Chem. Abstr. 2015, 162, 429940.

120. H. Langhals, M. Eberspächer, 'Water nanomicellar solutions naphthalenetetracarboxilic acid bisimides used as sunscreens',
Ger. Offen. DE 102013014353.5 (August 27, 2013), Ger. Offen. DE 102014012594 (March 26, 2015); Chem. Abstr. 2015, 162, 454180.

119. H. Langhals, A. Hofer, 'As ‚meta atom' arranged chromophores building blocks for molecular meta materials',
Ger. Offen. DE 102013003680.1 (Febr. 28, 2013); Chem. Abstr. 2014, 161, 433751.

118. H. Langhals, A. Hofer, 'Amino-substituted peri-arylene dyes for dye-sensitized solar cells',
Ger. Offen. DE 102012023247.0 (November 27, 2012); PCT Int. Appl. 2014, WO 2014083011; Chem. Abstr. 2014, 161, 159273.

117. H. Langhals, M. Eberspächer, 'Process for preparation of azulene and azulene derivatives',
Ger. Offen. DE 102012019843.4 (October 9, 2012); Chem. Abstr. 2014, 160, 691028.

116. H. Langhals, A. Hofer, 'Fluorescent dyes, production methods and applications',
Ger. Offen. DE 102012019495.1 (October 2, 2012); Chem. Abstr. 2014, 160, 593332.

115. H. Langhals, D. Zgela, T. Schmid, M. Herman, M. Zwiener, 'Marking of polymer materials with fluorescent nanoparticles for their automatic sorting',
Ger. Offen. DE 102012014982.4 (July 26, 2012); Chem. Abstr. 2014, 160, 279790.

114. H. Langhals, T. Schmid, M. Herman, M. Zwiener, A. Hofer, 'Marking of polymer materials with fluorescence dyes for their clear automatic sorting',
Ger. Offen. DE 102012012772.3 (June 22, 2012); Chem. Abstr. 2013, 160, 63983.

113. H. Langhals, A. Hofer, 'Using imidazoloterrylene bisimides for contactless temperature measurement in hard accessible areas',
Ger. Offen. DE 102012008287.8 (April 16, 2012); Chem. Abstr. 2013, 159, 610183.

112. H. Langhals, A. Hofer, 'Fluorescence dyes with absorption increased height and increased Stokes shift by controlled molecular dynamics in bichromophoric system',
Ger. Offen. DE 102012005897.7 (March 14, 2012); Chem. Abstr. 2013, 159, 502376.

111. H. Langhals, C. Dietl, 'Modulation of the absorption and fluorescent spectra of perylene dyes by non-covalent interactions perylene dyes with N-tert-alkyl residues',
Ger. Offen. DE 102012004891.2 (March 9, 2012); Chem. Abstr. 2013, 159, 456834.

110. H. Langhals, A. Hofer, 'A single-step synthesis of perylene-3,4-dicarboxylic acid anhydride',
Ger. Offen. DE 102012002678.1 (February 9, 2012); Chem. Abstr. 2013, 159, 334315.

109. H. Langhals, P. Braun, 'Determination of the strength of solvate coverings by bichromophoric dyes with anti-collinear dipoles',
Ger. Offen. DE 102012002535.1 (February 7, 2012); Chem. Abstr. 2013, 158, 276301.

108. H. Langhals, S. Christian, 'Perylene dyes also to the carbonyl groups of neighboring amino-groups',
Ger. Offen. DE 102011116207.4 (October 14, 2011); Chem. Abstr. 2013, 158, 537052.

107. H. Langhals, B. Böck, L. Flamigni, 'Derivatives of benzoperylenetetracarboxylic acid bisimides as triplet sensitizers for singlet oxygen',
Ger. Offen. DE 102011109254.8 (August 1, 2011); Chem. Abstr. 2013, 158, 720541.

106. H. Langhals, V. Josel, 'Semitransparent fluorescent solar collectors',
Ger. Offen. DE 102011100745.1 (May 6, 2011); Chem. Abstr. 2012, 157, 690752.

105. H. Langhals, A. Hofer, 'Synthesis and fluorescent properties of S-13-terrylene bisimides and terrylene-3,4: 11,12-tetracarboxylic acid bisanhydride',
Ger. Offen. DE 102011018815.0 (April 4, 2011); Chem. Abstr., 2012, 157636339.

104. H. Langhals, B. Böck, 'Preparation of orthogonal benzoperylenehexacarboximides for dyes',
Ger. Offen. DE 102010023469.9 (June 11, 2010); Chem. Abstr. 2011, 156, 36516.

103. H. Langhals, A. Varja, 'Cyanine dyes as contrast agents for the support of the eye surgery',
Ger. Offen. DE 102010022110.4 (May 31, 2010); Chem. Abstr. 2011, 155, 685955. PCT Int. Appl. (2011), WO 2011151287 A1 20111208; Chem. Abstr. 2011, 156, 13193.

102. H. Langhals, S. Kinzel, 'Fluorescent imidazolonaphthalenes prepared from colorless naphthalene tetracarboxylic acid bisimides',
Ger. Offen. DE 102010018982.0 (May 3, 2010); Chem. Abstr. 2011, 155, 591274.

101. H. Langhals, S. Kinzel, T. Pust, 'Organic nano inc; fluorescent ink',
Ger. Offen. DE 102010011564.9 (March 16, 2010); PCT Int. Appl. (2011), WO 2011092028 A1 20110804; Chem. Abstr. 2011, 155, 212326.

100. H. Langhals, T. Pust, 'Axially extended perylene dyes',
Ger. Offen. DE 102010008613.4 (February 19, 2010); Chem. Abstr. 2011, 155, 330376.

99.  H. Langhals, T. Pust, 'Manufacture of fluorescent nanoparticles by reaction of polyvinyl alcohol with aldehyde group-containing chromophores',
Ger. Offen. DE 102010006182.4 (January 29, 2010); Chem. Abstr. 2011, 155, 212325.

98.  H. Langhals, T. Pust, 'Micellare nano-fluorescence indicators',
Ger. Offen. DE 102009050798.1 (October 27, 2009); Chem. Abstr. 2011, 154, 488337.

97.  H. Langhals, P. Knochel, A. Walter, A. J. Esterbauer, S. Zimdars, 'Benzothiadiazoloperylene amorphous bichromophoric substances',
Ger. Offen. DE 102009048235.0/DE 102009048848.0 (October 4, 2009/October 9, 2009); Chem. Abstr. 2011, 154, 515656.

96.  H. Langhals, S. Kinzel, 'Contactless temperature measurement by a chemical fluorescence thermometer',
Ger. Offen. DE 102009032847.5 (July 13, 2009); Chem. Abstr. 2011, 154, 161473.

95.  H. Langhals, A. J. Esterbauer, S. Kinzel, 'Perylene dyes used for imparting red fluorescence to silica pigments and nanoparticles',
Ger. Offen. DE 102009013992.3 (March 19, 2009), Ger. Offen. DE 102010011065.5 (March 11, 2010); Chem. Abstr. 2010, 153, 532606.

94.  H. Langhals, T. Pust, 'Perylenetetracarboxylic diimide dye-containing micellar nanoparticles and applications',
Ger. Offen. DE 102009008661.7 (February 12, 2009); Chem. Abstr. 2010, 153, 336212.

93.  H. Langhals, S. Kinzel, A. Obermeier, 'Imidazoloperylenbisimide',
Ger. Offen. DE 102008061452.1 (December 10, 2008); Chem. Abstr. 2009, 151, 58174.

92.  H. Langhals, A. Obermeier, 'Light-induced charge-separating compounds and their preparation and use. Isoxazolidines in light-driven electron transfer systems',
Ger. Offen. DE 102008058454.1 (November 21, 2008); PCT WO 2010/057669A1; Chem. Abstr. 2010, 153, 24620, 24621.

91.  H. Langhals, A. J. Esterbauer, 'Perylene fluorescent pigments and fluorescent inorganic material nanoparticles',
Ger. Offen. DE 102008039562.5 (August 25, 2008); Chem. Abstr. 2010, 152, 313601.

90.  H. Langhals, U. Ritter, 'Preparation of naphthaldiimide radical anions as near infrared dyes',
Ger. Offen. DE 102008036495.9 (August 4, 2008); Chem. Abstr. 2010, 152, 262528.

89.  H. Langhals, U. Ritter, 'Organic high-temperature ferromagnets',
Ger. Offen. DE 102008011817.6 (February 29, 2008); Chem. Abstr. 2009, 151, 327089.

88.  H. Langhals, B. Oginski, 'Electron beam curing of glycerol methacrylate or its blends with other acrylic or vinyl-containing monomers',
Ger. Offen. DE 102008005685.5 (January 23, 2008); Chem. Abstr. 2009, 151, 223736.

87.  H. Langhals, A. Obermeier, 'Fluorescence markers by the click reaction: Application of the 1,3-dipolar cycloaddition',
Ger. Offen. DE 102007063051.6 (December 28, 2007); Chem. Abstr. 2009, 151,102871.

86.  H. Langhals, U. Ritter, 'Gamma-hydroxyalkylnaphthalene bisimides as new white pigments',
Ger. Offen. DE 102007061307.7 (December 19, 2007); Chem. Abstr. 2009, 151,102870.

85.  H. Langhals, A. Obermeier, S. Kinzel, 'Fluorescent diazepinoperylene dyes with large Stokes shifts',
Ger. Offen. DE 102007059683.0 (December 12, 2007); Chem. Abstr. 2009, 151, 58172.

84.  H. Langhals, S. Poxleitner, O. Krotz, T. Pust, 'Fluorescence resonance energy transfer (FRET) in bichromophoric molecules with orthogonal chromophores',
Ger. Offen. DE 102007058711.4 (December 6, 2007); Chem. Abstr. 2009, 151, 35244.

83.  H. Langhals, S. Poxleitner, 'Benzoterrylene derivatives with good fluorescence quantum yields',
US Patent Appl. 20090056793 (August 31, 2007); Chem. Abstr. 2009, 150, 308304.

82.  H. Langhals, G. Schönmann, 'Aceanthrene and anthracene carboxylic acid imides and bis-imides and their fluorescent properties',
Ger. Offen. DE 102007038422.1 (August 14, 2007); Chem. Abstr. 2009, 150, 261973.

81.  H. Langhals, T. Becherer, 'Perylene dyes for fluorescent marking of amino groups',
Ger. Offen. DE 102007007796.5 (February 16, 2007); Chem. Abstr. 2008, 149, 289896.

80.  H. Langhals, S. Poxleitner, 'Fluorescent bi-chromophoric dyes comprising perylene imide and naphthaleneimide chromophores for solar energy systems',
Ger. Offen. DE 102007004016.6 (January 26, 2007); Chem. Abstr. 2008, 149, 202618.

79.  H. Langhals, M. Rauscher, 'Control of molecular geometry by isotopic marking. new possibilities for isotope separation using molecular turnstile systems',
Ger. Offen. DE 102006056397.2 (November 29, 2006); Chem. Abstr. 2008, 149, 32191.

78.  H. Langhals, M. Rauscher, D. Kuck, J. Strübe, 'Perylene dyes with three orthogonal chromophores',
Ger. Offen. DE 102006053070.5 (November 10, 2006); Chem. Abstr. 2008, 148, 539882.

77.  H. Langhals, M. Rauscher, 'Perylene dye anions with NIR absorption, strong fluorescence and large Stokes' shift',
Ger. Offen. DE 102006048638.2 (October 13, 2006); Chem. Abstr. 2008, 148, 451164.

76.  H. Langhals, H. Jaschke, T. Ehlis, O. Wallquist, 'Naphthalene amidine imides useful as UV absorbers for cosmetics, etc.',
PCT Int. Appl. WO 2007012611 (July 21, 2006); Chem. Abstr. 2007, 146, 185965.

75.  H. Langhals, O. Krotz, 'Perylene dyes for determination of the chirality of liquids',
Ger. Offen. DE 102006030223.0 (June 30, 2006) and Ger. Offen. DE 102007017740.4 (March 27, 2007); Chem. Abstr. 2008, 148, 101976.

74.  H. Langhals, 'Perylene and indigo dyes as fluorescent nanoparticles in aqueous phase',
Ger. Offen. DE 102006020190.6 (May 2, 2006); Chem. Abstr. 2007, 147, 503859.

73.  H. Langhals, U. Ring, O. Krotz, 'Perylene fluorescent dyes with chiral terminal groups',
Ger. Offen. DE 102006017000.8 (April 11, 2006); Chem. Abstr. 2007, 147, 470597; Chem. Abstr. 2007, 147, 470597.

72.  H. Langhals, U. Ritter, 'Stable radical anions from perylene-3,4:9,10-tetra-bis-imides for dyeing hair',
Ger. Offen. DE 102006011271.7 (March 10, 2006); Chem. Abstr. 2007, 147, 345625.

71.  H. Langhals, U. Ritter, 'Stable radical anions from perylene-3,4:9,10-tetra-bis-imides',
Ger. Offen. DE 102006011270.9 (March 10, 2006); Chem. Abstr. 2007, 147, 345624.

70.  H. Langhals, U. Ritter, 'Stable radical anions from perylene-3,4:9,10-tetra-bis-imides as near-IR-absorbing dyes',
Ger. Offen. DE 102006011269.5 (March 10, 2006); Chem. Abstr. 2007, 147, 367019.

69.  H. Langhals, O. Krotz, 'Chiral, bichromophoric silicones exhibiting distinctive color effects due to self-organization',
Ger. Offen. DE 102005060390.4 (December 16, 2005); Chem. Abstr. 2007, 147, 97035.

68.  H. Langhals, M. Rauscher, 'Domino metathesis reaction for the synthesis of cyclophane dyes with large Stokes shifts',
Ger. Offen. DE 102005060074.3 (December 15, 2005); Chem. Abstr. 2007, 147, 74313.

67.  H. Langhals, R. El-Shishtawy, P. von Unold, M. Rauscher, 'Methoxyperylenebisimides and perylene lactamimides as perylene dyes with red fluorescence',
Ger. Offen. DE 102005045375.9 (September 22, 2005); Chem. Abstr. 2007, 146, 381816.

66.  H. Langhals, J. Gold, 'Fluorescent perylene dyes with imidazolyl groups in the side chains',
Ger. Offen. DE 102005038665.2 (August 16, 2005); Chem. Abstr. 2007, 146, 253567.

65.  H. Langhals, O. Krotz, J. Gold, 'Arrangement of H-type of chromophores with high fluorescence quantum yields and strong CD effects',
Ger. Offen. DE 102005037406.9 (August 8, 2005); Chem. Abstr. 2007, 146, 230990.

64.  H. Langhals, H. Jaschke, 'Naphthalene amidine imides and piperazino bisimides',
Ger. Offen. DE 102005034685.5 (July 25, 2005); Chem. Abstr. 2006, 144, 490217.

63.  H. Langhals, 'Fluorescence perylene dyes as building blocks for molecular optical frequency converter within the terahertz range',
Ger. Offen. DE 102005034385.6 (July 22, 2005); Chem. Abstr. 2007, 146, 185966.

62.  H. Langhals, M. Rauscher, D. Bathelt, O. Krotz, 'Stereoreproduktionen zur Kontrolle von restauratorischen Arbeiten an Kunstgegenständen',
Ger. Offen. DE 102005009388.4 (March 1, 2005).

61.  H. Langhals, 'Alkali-resistant perylene dyes',
Ger. Offen. DE 102005004385.2 (January 31, 2005); Chem. Abstr. 2006, 145, 190582.

60.  H. Langhals, J. Büttner, 'Synthesis of perylenedicarboxylic acid bisimide bichromophores',
Ger. Offen. DE 102004059156.3 (December 8, 2004); Chem. Abstr. 2006, 145, 47288.

59.  H. Langhals, O. Krotz, 'New fluorescent in solid state perylene pigments',
Ger. Offen. DE 102004024909.1 (May 19, 2004); Chem. Abstr. 2005, 144, 37365.

58.  H. Langhals, K. Fuchs, 'Fluorescence marking of aldehydes with derivatives of perylene-3,4;9,10-tetracarboxylic acid dianhydride',
Ger. Offen. DE 102004020542.6 (April 27, 2004); Chem. Abstr. 2005, 144, 193795.

57.  H. Langhals, 'New metal effect pigments prepared by using high pressure',
Ger. Offen. DE 102004013666.1 (March 19, 2004); Chem. Abstr. 2005, 143, 368747.

56.  H. Langhals, K.-H. Brinkmann, 'Leakage test of closed systems by fluorescence dyes',
Ger. Offen. DE 102004008480.7 (February 20, 2004); Chem. Abstr. 2005, 143, 268292.

55.  H. Langhals, F. Wetzel, 'Perylene pigments with metalic effects',
Ger. Offen. DE 10357978.8 (December 11, 2003); Chem. Abstr. 2005, 143, 134834.

54.  J. Bauer, P. Behrens, H. Langhals, 'Composite from alkaline-earth metal ions and organic dyes, a new type of color pigments',
Ger. Offen. DE 10259033.8 (December 17, 2002); Chem. Abstr. 2004, 141, 107630.

53.  H. Langhals, P. Blanke, 'Manufacture of quaterrylene dyes in few steps and large quantities',
Ger. Offen. DE 10233955.4 (July 25, 2002); Chem. Abstr. 2004, 141, 72968.

52.  H. Langhals, F. Wetzel, 'Polymeric fluorescent dyes, their production and their use',
Ger. Offen. DE 10233179.0 (July 22, 2002); Chem. Abstr. 2004, 140, 165442.

51.  H. Langhals, S. Saulich, 'Bichromophoric perylene derivative-containing dyes and their use for switchable fluorescent systems',
Ger. Offen. DE 10212358.6 (March 20, 2002); Chem. Abstr. 2004, 139, 278003.

50.  H. Langhals, 'UV/visible spectroscopic identification of dyes',
Ger. Offen. DE 10157034.1 (November 21, 2001); Chem. Abstr. 2003, 138, 403073.

49.  H. Langhals, P. Blanke, 'Perylenetetracarboxylic diimide fluorescent near-IR dyes, their production and their use',
Ger. Offen. DE 10132116.3 (July 3, 2001); Chem. Abstr. 2003, 138, 138778.

48.  H. Langhals, 'Dyes with star shaped chromophores, their production and their use',
Ger. Offen. DE 10105238.3 (February 6, 2001); Chem. Abstr. 2002, 137, 171004.

47.  H. Langhals, 'Competitive prion reagents containing Congo red derivatives and their application for diagnostics and raising antibodies for immunotherapy',
Ger. Offen. DE 10104279.5 (January 31, 2001); Chem. Abstr. 2002, 137, 106041.

46.  H. Langhals, F. Süßmeier, 'Perylene-3,4,9-tricarboxylic acid imides, their production and their fluorescent dye applications',
Ger. Offen. DE 10038672.5 (August 8, 2000); Chem. Abstr. 2002, 136, 403146.

45.  H. Langhals, F. Süßmeier, 'Fluorescent bichromophoric 9,9'-bis(perylene-3,4-dicarboximides), their production and their use',
PCT Int. Appl. WO 0052099 (Febr. 15, 2000); Chem. Abstr. 2000, 133, 224248q.

44.  H. Langhals, R. Ismael, O. Yürük, 'Perylenfarbstoffe mit persistenter Fluoreszenz durch sterische Aggregationshinderung',
Ger. Offen. DE 10026623.1 (May 29, 2000);
'Perylene dyes with persistent fluorescence caused by steric inhibition of aggregation, and their use',
PCT Int. Appl. WO 0192420; Chem. Abstr. 2001, 136, 20963.

43.  H. Langhals, R. Ismael, 'Naphthalin- und Perylenhydrazamimide - eine neue Klasse von Farbstoffen',
Ger. Offen. DE 19900063.8 (January 4, 1999);
'Naphthalenehydrazamimide and perylenehydrazamimide pigments',
PCT Int. Appl. WO 0040657; Chem. Abstr. 2000, 133, 106298h.

42.  I. Rogner, H. Langhals, 'Fixation of Qi-lacquer on silicate surfaces by polymethacrylates formed by electron beam-induced polymerization',
Ger. Offen. DE 19859549.2 (December 22, 1998); Chem. Abstr. 2000, 133, 75374y.

41.  H. Langhals, S. Kirner, 'Neue Fluoreszenzfarbstoffe durch Kernerweiterung von Perylen-3,4:9,10-tetracarbonsäurebisimiden',
Ger. Offen. DE 19848555.7 (October 21, 1998);
H. Langhals, S. Kirner, P. Blanke, M. Speckbacher,
'Core-extended perylene bisimide colorants, their production and their use',
PCT Int. Appl. WO 0023446; Chem. Abstr. 2000, 132, 309704q.

40.  H. Langhals, 'Eine Anordnung zum stufenweisen, manuellen Dosieren von Flüssigkeiten',
Ger. Offen. DE 19848100.4 (October 19, 1998).

39.  H. Langhals, 'Methods for the establishment of fluorescence quantum yields and new fluorescence standards',
Ger. Offen. DE 19847370.2 (October 14, 1998); Chem. Abstr. 2000, 132, 286129q.

38.  H. Langhals, R. Ismael, 'Cyclophane perylenedicarboximide dyes, their production and their use',
Ger. Offen. DE 19826274.4 (June 12, 1998); Chem. Abstr. 2000, 132, 36955y.

37.  H. Langhals, W. Jona, 'Perylene imide monocarboxylic acid derivatives, their preparation and their use as colorants',
PCT Int. Appl. WO 9931069 (Dec. 12, 1998); Chem. Abstr. 1999, 131, 74977.

36.  H. Langhals, W. Jona, 'Perylenehydrazide-imides as carbonyl derivatizing agents, their preparation and use',
Eur. Pat. Appl. EP 896964 (July 15, 1998); Chem. Abstr. 1999, 130, 169525.

35.  H. Langhals, W. Jona, 'Perylene crown ether fluorescent dyes, their preparation and their use as fluorescent complex formers for metallic materials',
Ger. Offen. DE 19709008.7 (March 5, 1997); Chem. Abstr. 1998, 129, 246520s.

34.  H. Langhals, W. Jona, 'Perylenetetracarboxylic diimide crown ether self-dispersing fluorescent dyes, their preparation and their use',
Ger. Offen. DE 19709004.4 (March 5, 1997); Chem. Abstr. 1998, 129, 246519y.

33.  H. Langhals, J. Gold, 'Bifluorophore Perylenfarbstoffe mit langwellig verschobener Fluoreszenz',
Ger. Offen. DE 19702826.8 (January 27, 1997);
PCT Int. Appl. WO 9832799; Chem. Abstr. 1998, 129, 176911u.

32.  H. Langhals, P. von Unold, 'Die ausbalancierte Decarboxylierung von aromatischen Polycarbonsäuren - eine einstufige Synthese von Perylen-3,4-dicarbonsäureanhydrid',
Ger. Offen. DE 19700990.5 (January 14, 1997);
'Perylene-based dye intermediates, their preparation by a single-step decarboxylation, and their use',
PCT Int. Appl. WO 9831678; Chem. Abstr. 1998, 129, 110111b.

31.  H. Langhals, L. Feiler, 'Pyrrolo- and thiophenoperylenedicarboximide strongly fluorescent heterocycles, their preparation and their use',
Ger. Offen. DE 19651712.5 (December 12, 1996); Chem. Abstr. 1998, 129, 55412y.

30.  H.Langhals, B. Hock, R. A. Brosius, 'Die immunochemische Bestimmung von Azofarbstoffen',
Ger. Offen. DE 19651599.8 (December 11, 1996);
'Immunochemical determination of allergenic dyes and finishing material contained in textile fibers or polymers',
PCT Int. Appl. WO 9826285; Chem. Abstr. 1998, 129, 77842;
'Immunochemical determination of substances contained on textile fibers or polymers',
US 6335171; Chem. Abstr. 2002, 136, 66614r.

29.  H. Langhals, B. Wagner, 'Donor-substituted oxindigo derivatives and their use as colorants',
Ger. Offen. DE 19616532.6 (April 25, 1996); PCT Int. Appl. WO 9741176; Chem. Abstr. 1998, 128, 4661a.

28.  H. Langhals, 'Perylene-3,4:9,10-tetracarboxylic diimide multichromophoric dyes, their preparation and their use', Ciba-Geigy A.-G.,
Eur. Pat. Appl. EP 711812 (Nov. 1, 1995); Chem. Abstr. 1996, 125, 89153x.

27.  H. Langhals, P. v. Unold, 'Aminonaphthalenetricarboxylic lactam imide fluorescent dyes, their preparation and their use', Ciba Specialty Chemicals Holding Inc.,
Eur. Pat. Appl. EP 769532 (October 12, 1995); Chem. Abstr. 1997, 127, 6135k.

26.  H. Langhals, G. Schönmann, 'Fluorescent quaterrylenebisimides, their preparation and use',
Ger. Offen. DE 19512773.0 (April 5, 1995); Chem. Abstr. 1996, 125, 303255c.

25.  H. Langhals, 'Perylene dyes with 2 to 4 chromophores, their preparation from formamides and their use',
Ger. Offen. DE 4440242.2 (November 10, 1994); Chem. Abstr. 1996, 125, 35829d.

24.  H. Langhals, 'Preparation of high-purity perylene-3,4,9,10-tetracarboxylic acid 3,4-anhydride 9,10-imides',
Ger. Offen. DE 4421347.6 (June 17, 1994); Chem. Abstr. 1996, 124, 263384q.

23.  H. Langhals, 'Perylene-3,4-dicarboxylic acid derivatives, their preparation and use', Ciba-Geigy A.-G.,
Eur. Pat. Appl. EP 657436 (November 12, 1993); Chem. Abstr. 1995, 123, P202038n.

22.  H. Langhals, L. Feiler, 'Lightfast fluorescent perylene-3,4-dicarboximide dyes, their preparation and their use',
Ger. Offen. DE 4338784.5 (November 12, 1993); Chem. Abstr. 1995, 123, P202037m.

21.  H. Langhals, L. Feiler, 'Perylene amidine-imide dyes, their production and their use', Ciba-Geigy A.-G.,
Eur. Pat. Appl. EP 638613 (November 12, 1993); Chem. Abstr. 1995, 123, 11825g.

20.  H. Langhals, 'Perylene amidine imide dyes, their preparation and their use',
Ger. Offen. 4327273.8 (August 13, 1993); Chem. Abstr. 1995, 123, P58801m.

19.  H. Langhals, 'Perylene dyes and their use in metallic-effect coatings',
Ger. Offen. 4037735.0 (November 27, 1990); Chem. Abstr. 1992, 117, P173379t.

18.  H. Langhals, H. Kaiser, 'Asymmetric perylene fluorescent dyes and pigments, their preparation and use',
Ger. Offen. DE 4018787.2 (June 12, 1990); Chem. Abstr. 1992, 116, P237369d.

17.  H. Langhals, S. Demmig, 'Perylene dyes and their use as permanent toner in electrophotography and laser printing',
Ger. Offen. DE 4007618.0 (March 10, 1990); Chem. Abstr. 1992, 116, P117172n.

16.  H. Langhals, C. Naumann, '1,7-Diazaperylene and its derivatives',
Ger. Offen. DE 4005056.4 (February 16, 1990); Chem. Abstr. 1991, 115, P210208t.

15.  H. Langhals, H. Schott, R. A. Schwendener, 'Antibody-labeled liposomes for diagnostics and therapy',
Ger. Offen. DE 3935257.9 (October 23, 1989); Chem. Abstr. 1991, 115, P251668m.

14.  H. Langhals, C. Naumann, 'Preparation of bipyridyls by aryl coupling for use as fluorescent dyes',
Ger. Offen. DE 3921025.1 (June 27, 1989); Chem. Abstr. 1991, 114, 122078z.

13.  H. Langhals, 'Neue fluoreszierende Perylen- und Diketopyrrolopyrrol-Farbpigmente',
Ger. Offen. DE 3908312.8 (March 14, 1989).

12.  H. Langhals, T. Potrawa, 'Optical memory devices containing color changeable dyes, and dyes therefore',
Ger. Offen. DE 3901988.8 (July 29, 1988); Chem. Abstr. 1990, 113, P68456k.

11.  H. Langhals, '(Polymeric)perylenetetracarboxylic diimide dyes having high dielectric constants',
Ger. Offen. DE 3809610.2 (March 22, 1988); Chem. Abstr. 1990, 112, P141242y.

10.  H. Langhals, 'Optical collector systems as cold light sources',
Ger. Offen. DE 3712747 (April 15, 1987); Chem. Abstr. 1989, 110, P144625v.

9.  H. Langhals, 'Lightfast, readily soluble perylenetetracarboxylic (bis)imide fluorescent dyes',
Ger. Offen. DE 3703495 (February 5, 1987); Chem. Abstr. 1989, 110, P59524s.

8.  H. Langhals, 'Water-soluble perylenetetracarboxylic acid bisimide fluorescent dyes',
Ger. Offen. DE 3703513 (February 5, 1987); Chem. Abstr. 1988, 109, P212376w.

7.  C. Ruechardt, E. Langhals, H. Langhals, '5-Alkylpyridine-2-carboxylic acids',
Ger. Offen. DE 3148207 (December 5, 1981); Chem. Abstr. 1983, 99, P139775u.

6.  H. Langhals, 'Determination of the composition of binary liquid mixtures using fluorescence measurements',
Ger. Offen. DE 3200640 (January 12, 1982); Chem. Abstr. 1983, 99, P115298q.

5.  H. Langhals, 'Determining the composition of binary liquid mixtures',
Ger. Offen. DE 3043984 (November 21, 1980); Chem. Abstr. 1982, 97, P174213q.

4.  H. Langhals, 'Determination of water in water-containing samples',
Ger. Offen. DE 3043897 (November 21, 1980); Chem. Abstr. 1982, 97, P155654t.

3.  V. Wittwer, F. Brucker, H. Langhals, A. Rademacher, 'Coloring transparent polymer materials by diffusion and their use in light-concentrating and light-conducting systems',
Ger. Offen. DE 3103936 (February 5, 1981); Chem. Abstr. 1982, 97, P128691w.

2.  H. Langhals, 'Perylene derivatives and their use for fluorescence purposes',
Ger. Offen. DE 3016765 (April 30, 1980); Chem. Abstr. 1982, 96, P70441a.

1.  H. Langhals, 'Increasing the solubility of aromatic compounds',
Ger. Offen. DE 3016764 (April 30, 1980); Chem. Abstr. 1982, 96, P70417x.

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