| Patents for C09B 23 - Methine or polymethine dyes, e.g. cyanine dyes (4,654) |
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| 02/09/1988 | US4724201 Photoresponsive material |
| 01/19/1988 | US4720568 Basic colorants |
| 01/13/1988 | EP0252550A1 Colour photographic motion picture projection film element |
| 01/12/1988 | US4719051 Oxygenation |
| 01/07/1988 | EP0251282A2 Novel infrared absorbing dyes and photographic elements containing same |
| 12/15/1987 | US4713316 Heat-developable photographic materials |
| 12/09/1987 | EP0248112A2 Use of thiophenes as pH indicators, in particular in a non-enzymatic glucose test |
| 11/25/1987 | EP0246553A2 Filter dyes |
| 10/21/1987 | EP0241696A2 Naphtholactam dyes and optical recording carrier containing them |
| 10/20/1987 | US4701439 Yellow dye-donor element used in thermal dye transfer |
| 10/20/1987 | US4701398 Cyanine and/or merocyanine dyes |
| 09/09/1987 | EP0235198A1 Colored unsaturated polyester material containing copolymerized methine dyes, and products therefrom. |
| 07/22/1987 | EP0229374A2 Yellow dye-donor element used in thermal dye transfer |
| 07/22/1987 | EP0229138A1 Langmuir blodgett films |
| 07/14/1987 | CA1224036A1 Record material |
| 07/08/1987 | EP0228169A2 Organic nonlinear optical media |
| 06/30/1987 | US4677053 Infrared sensitizing dye; improved shelf life |
| 06/30/1987 | US4677051 Heat-development color light-sensitive material |
| 06/24/1987 | EP0226541A2 Anti-halation dyes |
| 06/16/1987 | US4673630 Photoconductive film and electrophotographic photosensitive member contains azulenium salt |
| 06/03/1987 | EP0224261A2 Optical recording medium |
| 05/05/1987 | US4663261 Electrophotographic recording material containing zinc oxide and cyanine sensitizer |
| 04/21/1987 | US4659177 Organic nonlinear optical media |
| 04/15/1987 | EP0218140A2 Substrates, compositions, elements and methods for the determination of gamma-glutamyltransferase |
| 04/08/1987 | EP0217245A2 Optical data storage medium based on methine dyes and anionic methine dyes |
| 03/25/1987 | EP0215124A1 Silver halide photographic photo-sensitive material |
| 03/24/1987 | US4652645 Cationic compounds |
| 03/18/1987 | EP0214847A2 Squarate dye conjugate, process for making it and its use in assay methods and kits |
| 02/26/1987 | WO1987001121A1 Colored unsaturated polyester material containing copolymerized methine dyes, and products therefrom |
| 02/03/1987 | US4641160 Recording system utilizing phthalide derivatives as colorless chromogenic material |
| 01/27/1987 | CA1217197A1 Recording element having a pyrylium or thiopyrylium- squarylium dye layer and new pyrylium or thiopyrylium -squarylium compounds |
| 01/20/1987 | US4637975 Heat-developable photographic materials |
| 01/15/1987 | WO1987000347A1 Langmuir blodgett films |
| 01/07/1987 | EP0207317A2 Pigments, their preparation and their use |
| 01/07/1987 | EP0086230B1 Merocyanine-cyanine-merocyanine (mcm) electrically photosensitive colorants |
| 12/16/1986 | US4629670 Infrared radiation sensitivity |
| 12/03/1986 | EP0203780A2 Optically non-linear materials and thin films incorporating such materials |
| 11/11/1986 | US4622278 Electrophotographic light-sensitive material comprising charge transport compound and styryl sensitizing dye |
| 10/29/1986 | EP0199111A2 Liquid crystal compositions |
| 10/28/1986 | US4619879 Electrography |
| 10/14/1986 | US4617257 Heat developable light-sensitive material |
| 09/30/1986 | US4614801 Direct positive dyes made from 3-indolizine carboxaldehyde |
| 09/17/1986 | EP0194469A1 Sulfone-containing styrene derivatives, process for their preparation and their use |
| 09/16/1986 | CA1211349A1 Composition, analytical element and method for the detection of bacteria |
| 09/09/1986 | US4610807 Distyryl compounds |
| 09/09/1986 | CA1211112A1 Oxoindolizine and oxoindolizinium dyes and processes for their preparation |
| 08/27/1986 | EP0192465A2 Photographic elements containing chalcogenazolium polymethine dyes (case A) |
| 08/27/1986 | EP0192462A2 Novel oxachalcogenazole dyes, processes for their preparation, and articles containing these dyes |
| 08/27/1986 | EP0192461A2 Photographically useful chalcogenazolium polymethine dyes (case B) |
| 08/19/1986 | US4607003 Photographic element |
| 08/14/1986 | WO1986004694A1 Silver halide photographic photo-sensitive material |
| 07/29/1986 | US4603098 Cyanine dye sensitizer, oxazole, oxadiazole, hydrazone, pyrazoline; photoconductivity |
| 07/22/1986 | US4601532 Benzylidene and a binder including a phenol-for maldehyde resin;anti halation agents;films |
| 07/15/1986 | US4600776 Dyes for paper |
| 07/08/1986 | US4599410 Oxachalcogenazole dyes and processes for their preparation |
| 07/08/1986 | US4599300 Direct positive silver halide photographic emulsions |
| 07/08/1986 | US4599287 Positive charging photorecptor |
| 07/01/1986 | US4597912 Basic colorants |
| 06/04/1986 | EP0183193A2 Isoindole compounds, their metal complexes and their use |
| 05/14/1986 | EP0180774A1 Process for dyeing porous polyacrylic fibres (PAN) |
| 05/06/1986 | US4587538 Record material |
| 04/15/1986 | CA1203053A1 Mixture of cationic compounds |
| 04/08/1986 | US4581325 Photographic elements incorporating antihalation and/or acutance dyes |
| 04/02/1986 | EP0176483A2 Cyanine dyes, process for their preparation and their use as sensibilizers in photographic materials |
| 04/01/1986 | US4579800 High stability with respect to light and heat |
| 04/01/1986 | US4579799 Photoconductive film electrophotographic photosensitive member therewith |
| 03/19/1986 | EP0174383A1 Optical information recording medium |
| 03/18/1986 | US4577024 Oxoindolizine and oxoindolizinium compounds useful as dyes |
| 03/18/1986 | US4576886 Electrography |
| 03/11/1986 | US4575483 Photographically useful chalcogenazolium polymethine dyes |
| 02/26/1986 | EP0172321A2 Squarylium charge generating dye and electrophotographic photoconductor |
| 02/25/1986 | CA1200970A1 Helichromic-smectic liquid crystal compositions and display cells |
| 01/28/1986 | US4567048 Sulfonated indoxyl derivatives |
| 01/21/1986 | US4565757 Polymethine dye, electrographic reproduction |
| 12/31/1985 | US4562134 Photoconductive layer on electroconductive support |
| 12/10/1985 | US4558133 p-(Pyridinium-vinyl)-N,N-(disubstituted-aniline salts for dyeing paper and their preparation |
| 12/03/1985 | US4556636 Composition, analytical element and method for the detection of bacteria |
| 12/03/1985 | US4556632 Color light-sensitive material |
| 11/21/1985 | EP0161789A2 Cyanine and merocyanine spectral sensitizing dyes |
| 11/21/1985 | EP0161457A2 Tetra(dialkylaminophenyl)cyanines, their preparation and their use |
| 10/08/1985 | US4546059 Layered photoresponsive imaging members with sulfur incorporated dicyanomethylenefluorene carboxylate compositions |
| 10/02/1985 | EP0156481A2 Photoreceptor |
| 09/25/1985 | EP0155754A1 Process for preparing squaraine compounds |
| 09/17/1985 | US4542224 Process for preparing cationic methine dyestuffs |
| 09/17/1985 | US4542223 Dye polyacrylonitrile red |
| 09/10/1985 | US4540791 Production of β-amino-α,β-unsaturated carboxylic acid esters |
| 09/10/1985 | US4540523 Phenylalkylamino-styryl dyestuffs |
| 09/03/1985 | US4539408 Condensation of tert-amine base with hydroxyalkanesulfonic acid or |
| 08/28/1985 | EP0153145A2 Photoreceptor |
| 08/21/1985 | EP0152086A1 Electrophotographic recording material |
| 08/21/1985 | EP0152047A1 Electrophotographic material |
| 08/07/1985 | EP0150441A1 1,4-Bis-(styryl)-benzenes and their use as optical brightener |
| 07/09/1985 | CA1190223A1 Substrates for enzymes |
| 07/03/1985 | EP0147083A2 Photostable cyanine dye and optical recording medium |
| 06/19/1985 | EP0145656A2 Cationic compounds |
| 06/19/1985 | EP0145225A2 Record material |
| 06/19/1985 | EP0144791A2 Photoreceptor |
| 06/19/1985 | EP0144640A1 Distyrene compounds |
| 06/18/1985 | US4524220 Process for the preparation of squaraine compositions in presence of amine component |
| 06/18/1985 | US4524128 Heat-bleachable cyanine dyes, colorless backgrounds |