| Patents for C09B 23 - Methine or polymethine dyes, e.g. cyanine dyes (4,654) |
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| 10/31/1978 | US4123452 For yellow dyeing of polyesters, heat resistance |
| 10/24/1978 | CA1040917A1 Spectrally sensitized direct positive emulsion layers |
| 10/10/1978 | US4119776 Vinyl phthalide color formers |
| 10/10/1978 | US4119466 Sensitizers for photocrosslinkable polymers |
| 10/03/1978 | US4118558 2-Aryl-6-arylidene-1-(substituted aminoalkoxy)-1-cyclohexenes |
| 09/26/1978 | US4116965 Styryl dyestuffs containing certain amino, cyanopyridine moieties |
| 09/05/1978 | US4111699 O-nitro-o-azaarylidene photobleachable dyes and photographic elements utilizing them |
| 08/29/1978 | US4110116 Fogged direct positive silver halide emulsion containing a cyanine dye having at least one benzoxazole or benzothiazole nucleus substituted with halogen atoms |
| 08/29/1978 | US4110115 Photographic light-sensitive element having dyed layer |
| 08/29/1978 | US4110070 Heat transfer printing on acidic modified synthetic fiber |
| 08/22/1978 | US4108887 Divinyl stilbenes as optical brighteners |
| 08/22/1978 | US4108667 Photographic compositions and elements containing benzo[a]quinolizinium methine dyes |
| 08/22/1978 | CA1036858A1 Photographic silver halide emulsion |
| 08/15/1978 | US4107428 Di-vinyl color formers |
| 08/08/1978 | US4106027 Nonaqueous |
| 08/08/1978 | US4105665 Monomethine dyestuffs |
| 07/25/1978 | US4102688 Methine dyes |
| 06/27/1978 | US4097484 Mixed complexes of methine dyes |
| 06/27/1978 | US4097444 Process for the dyeing of water-insoluble thermoplastic polymers and polycondensates in the mass |
| 06/06/1978 | US4093645 Whiteners |
| 06/06/1978 | US4093585 Process for the dyeing of water-insoluble thermoplastic polymers and polycondensates in the mass |
| 05/30/1978 | US4092478 Triphendioxazine triazinyl dyes having phosphonic acid groups |
| 05/30/1978 | US4092168 5-pyrazolone-mono-or penta-methine oxonol |
| 05/16/1978 | US4089647 Indole dyes, aniline dyes |
| 05/09/1978 | US4088673 One-pot reaction of an aromatic amine, vilsmeir reagent and a methylene-active nitrile |
| 05/09/1978 | US4088497 Acutance agents for use in thermally-developable photosensitive compositions |
| 05/02/1978 | US4087241 Printing inks for transfer printing |
| 04/18/1978 | US4085142 2-Aryl-6-arylidene-1-(substituted aminoalkoxy)-1-cyclohexenes |
| 04/18/1978 | US4085098 Azo dyes containing a heterocyclic ring having a quaternized nitrogen atom and at least one optionally substituted phenoxyalkyl or naphthyloxyalkyl substituent |
| 04/11/1978 | US4083680 Printing inks for transfer printing |
| 04/04/1978 | US4082721 1,4-bis(1-cyano-carbocyclic-unsaturater hydrocarbyl) dye compositions |
| 03/21/1978 | US4080496 Sensitizers |
| 03/14/1978 | USRE29575 Cubic regular grain photographic reversal emulsions |
| 03/14/1978 | US4078934 Photosensitive, image-forming composition containing a leuco 2,3-disubstituted-1-indanone and a photooxidant |
| 03/14/1978 | US4078933 Silver halide photographic light-sensitive element containing dye |
| 03/07/1978 | US4077962 Water insoluble, green-yellow, synthetic fibers |
| 02/14/1978 | US4073781 Method of production of azo dyes from a quinone containing compound and a diazonium compound |
| 02/07/1978 | US4072672 Cationic dyes containing an aryloxy group linked through a bridging radical to a quaternized nitrogen atom |
| 01/10/1978 | US4067738 Photographic light-sensitive element having a dyed layer |
| 01/03/1978 | US4066830 Benzoxazole-styryls |
| 01/03/1978 | US4066403 Multilayer analytical element |
| 12/27/1977 | US4065481 1:1-Azomethine-metal-complex dyestuffs |
| 12/20/1977 | US4063882 Storage-stable quaternary styryl dye solutions |
| 12/20/1977 | US4063879 Crosslinking catalyst |
| 12/13/1977 | US4062686 Sensitizers for photocrosslinkable polymers |
| 11/22/1977 | US4059448 Silver halide, poly(2-diethylaminoethyl methacrylate |
| 11/01/1977 | US4056522 Azo compounds deriving from 3-amino-4-lower carboalkoxy-benzoic acid-4'-phenoxy anilides and 2-hydroxy-3-naphthoic acid-4'-benzoylamino anilides |
| 10/11/1977 | US4053318 Sensitizing merocyanine dye |
| 09/20/1977 | US4049649 Pyridine-containing indicator dye |
| 09/13/1977 | US4048151 Azo dyes, nitrogen heterocycles, polymers |
| 09/06/1977 | US4046771 Styryl dyestuffs |
| 09/06/1977 | US4046572 Silver halide photographic light sensitive material |
| 08/16/1977 | US4042397 Light-absorbing dye for use in photography |
| 08/16/1977 | US4042394 Photographic dye image stabilization |
| 08/16/1977 | US4042322 Process for dyeing anionically modified synthetic fiber materials |
| 08/09/1977 | US4040840 Photographic sensitive elements having dyed layers |
| 07/12/1977 | US4035380 Certain benzazol-2-ylthio compounds |
| 07/12/1977 | US4035190 2-isoxazolin-3-heterocyclic-substituted |
| 07/05/1977 | US4033948 Acutance agents for use in thermally-developable photosensitive compositions |
| 06/28/1977 | US4032503 Triazole ring |
| 06/21/1977 | US4030932 Photography |
| 06/07/1977 | US4028113 Photographic supports and elements utilizing photobleachable O-nitroarylidene dyes |
| 06/07/1977 | US4028112 Merocyanine dye with oxazole nucleus |
| 05/31/1977 | US4026914 Disperse dyes for polyesters, cellulose acetates, and polyamides |
| 05/31/1977 | US4026884 Spectral sensitizers for silver halide emulsions |
| 05/31/1977 | US4026883 Machine readable and copiable |
| 05/24/1977 | US4025349 Silver halide photographic elements spectrally sensitized with an acetylenic analog of cyanine or merocyanine dyes |
| 05/24/1977 | US4025347 Fogged direct-positive silver halide emulsion containing a cyanine dye having an indole or indolenine nucleus substituted with a benzoyl or a phenylsulfonyl group |
| 05/24/1977 | US4025090 Pressure-sensitive or heat-sensitive recording material |
| 05/17/1977 | US4024132 Azomethine pigments |
| 05/10/1977 | US4022771 Record materials and marking systems |
| 05/03/1977 | US4021251 Silver halide photographic emulsions |
| 04/26/1977 | US4020084 Dye intermediates |
| 04/26/1977 | US4020056 Di-vinyl phthalides color formers |
| 04/19/1977 | US4018810 Organic dye having fluoroaliphatic substituent |
| 04/19/1977 | US4018796 Monomethine dyestuffs |
| 04/12/1977 | US4017561 Acrylonitrile-vinyl chloride copolymer, copolymer containing chlorine and sulfonate or sulfate groups |
| 04/12/1977 | US4017486 Cationic alpha-cyano-p-dimethylaminocinnamoyl dyes and paper dyed therewith |
| 04/12/1977 | US4017484 Cationic dyestuffs |
| 04/05/1977 | US4016191 Styryl dyestuffs |
| 04/05/1977 | US4016172 Azolindolines and azolindoline dyestuffs |
| 03/29/1977 | US4014958 Dry-spun modacrylic filaments with improved coloristic properties |
| 03/29/1977 | US4014702 Increased green sensitivity |
| 03/22/1977 | US4013713 Diarylvinyl-dihydrophenanthrene compounds |
| 02/15/1977 | US4008262 α-(N-alkyl-4-formylanilino)-toluenesulfonamides |
| 02/15/1977 | US4008213 Azo dyestuffs containing a cinnamonitrile residue |
| 02/08/1977 | US4007172 Dyestuff including pyrimido-indole moiety |
| 02/01/1977 | US4006178 Process for the manufacture of dicyanovinyl compounds |
| 02/01/1977 | US4006017 Photoconductive composition, article and process |
| 01/25/1977 | US4005111 Fluorescent dyes |
| 01/25/1977 | US4005080 Substituted 2-imidazolin-5-ones |
| 01/18/1977 | US4003750 Methine dyes |
| 01/18/1977 | US4003633 Color display device |
| 12/28/1976 | US4000130 Cationic dyestuffs |
| 12/07/1976 | US3996215 Photographic filter or antihalation dyes |
| 12/07/1976 | US3996000 Process for dyeing synthetic fibers |
| 12/07/1976 | US3995992 Transfer printing process for dyeing and printing organic material which can be dyed with cationic dyes |
| 11/30/1976 | US3994899 Methine |
| 11/30/1976 | US3994834 Triazolyl stilbene brighteners method of preparing and detergents therewith |
| 11/30/1976 | US3994733 Cyanine dyes, a benzothiazole, or benzothiazolone, or naphthothiazole, or naphthothiazolone, or a quinolone |