C09B 23 - Methine or polymethine dyes, e.g. cyanine dyes

Patents for C09B 23 - Methine or polymethine dyes, e.g. cyanine dyes (4,654)
11/1976
11/16/1976	US3992450 Photosensitive compositions
11/16/1976	US3992140 Acid-modified textile fibers
11/09/1976	US3991049 Aromatic compounds containing ethylene double bonds, processes for their manufacture and use
11/09/1976	US3991042 Basic azo dyestuffs containing a benzthiazole and a tetrahydroquinoline nucleus
11/02/1976	US3989528 Pyrazole dyes
11/02/1976	US3989449 Dyestuff compositions
10/1976
10/26/1976	US3988513 Cyanine dye
10/26/1976	US3988323 Metal complexes of bishydrazides
10/26/1976	US3988156 Photographic supports and elements utilizing photobleachable o-nitroarylidene dyes
10/26/1976	US3988154 Photographic supports and elements utilizing photobleachable omicron-nitroarylidene dyes
10/19/1976	US3987037 Chromophore-substituted vinyl-halomethyl-s-triazines
10/19/1976	US3986878 Silver halide photographic emulsion
10/12/1976	US3985563 Silver halide photographic emulsion
10/12/1976	US3985499 Diazamerocyanines for dyeing keratinous fibers
10/05/1976	US3984399 Optical brighteners
10/05/1976	US3984248 Photographic polymeric film supports containing photobleachable o-nitroarylidene dyes
10/05/1976	US3984247 Dye-containing silver halide photographic light-sensitive material
10/05/1976	US3984246 Antihalation and filter dyes for photographic materials
09/1976
09/14/1976	US3980430 Cationic dye, halogenated hydrocarbon
09/14/1976	US3980427 Exhaust process for the dyeing of synthetic fiber materials
09/07/1976	US3979429 Para-amino-β-cyano-bis-styryl compounds
08/1976
08/31/1976	US3977882 Spectrally sensitized silver halide photographic emulsion
08/24/1976	US3976640 Cyanine
08/24/1976	US3976493 Photosensitive compositions containing linked spectral sensitizers
08/17/1976	US3975379 Dihydroindoles and indolenine dyestuffs
08/10/1976	US3974149 Azomethine pigments
08/10/1976	US3973969 Silver halide photographic emulsion
08/03/1976	US3972877 Butadiene derivatives, process for their preparation and their use as optical brighteners
07/1976
07/27/1976	US3971740 Dyes for polyester fibers
06/1976
06/29/1976	US3966722 Indamines for dyeing keratinous fibers
06/15/1976	US3963429 Coloring of organic materials with asymmetric thioindigoid compounds
06/08/1976	US3961952 Electrophotography, supports, coatings
06/08/1976	US3961881 Polyamide textiles, tanning agent, disperse dyestuff
05/1976
05/25/1976	US3959306 Azolindolines and azolindoline dyestuffs
05/18/1976	US3957767 Acrylonitrile polymers, polyamides, polyesters, leather, paper
05/11/1976	US3956264 Basic azo dyestuffs having indolyl-methyleneamino substituent in the diazo component
05/11/1976	US3955984 Styryl dyes
05/11/1976	US3955978 Electrophotographic recording material
05/04/1976	US3954830 Yellow methine dyes for hydrophobic textile material
04/1976
04/27/1976	US3953216 Spectrally sensitized silver halide photographic emulsion
04/20/1976	US3951666 Cyanine and merocyanine dyes
04/06/1976	US3948938 Polymeric materials colored with yellow methine dyes and pigments
04/06/1976	US3948877 Polyacrylonitrile, acid modified polyesters or polyamides
03/1976
03/23/1976	US3945991 Heterocyclic azo compounds containing a quaternated hydrazide group
03/23/1976	US3945832 Fogged, direct-positive silver halide emulsion containing desensitizers and a dimethine optical sensitizing dye
03/02/1976	US3941602 Fogged, direct-positive silver halide emulsion optically sensitized with a dye containing a pyrrolo[2,1-b]thiazole nucleus
02/1976
02/24/1976	US3940437 Styryl-diphenyl derivatives
02/03/1976	US3936308 Photographic emulsions containing methine dyes having a 1H-imidazo[4,5-b]pyrazine nucleus
01/1976
01/20/1976	US3933914 Organic dye having fluoroaliphatic substituent
01/20/1976	US3933786 Heterocyclic-azo-phenyl compounds containing a styrl group
01/20/1976	US3933506 Novel dyes
01/13/1976	US3932188 Silver halide photographic lightsensitive material
01/13/1976	US3932186 Spectrally sensitized photographic silver halide emulsion
01/06/1976	US3930869 Merocyanine dyes containing 5,6-benzoquinoline and rhodanine moieties

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