| Patents for C09B 69 - Dyes not provided for by a single group of this subclass (4,179) |
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| 12/12/1991 | DE4018182A1 Ink prepn. for offset printing |
| 12/11/1991 | EP0460482A2 Printers colours |
| 12/10/1991 | US5071440 Azo-methine and indophenol dyes oxyalkylated by ethylene and/or propylene oxide and/or glycidol; acidolysis; cleavage/C-N/ |
| 12/08/1991 | CA2043847A1 Printing inks |
| 11/18/1991 | WO1991018057A1 Metal chelate compound and optical recording medium prepared therefrom |
| 11/18/1991 | CA2063611A1 Metal chelate compound and optical recording medium using it |
| 11/05/1991 | US5062894 Poly (alkylene oxide)-modified diarylide pigment composition |
| 10/23/1991 | EP0452965A1 Water-soluble methine compound and photographic silver halide emulsion containing the same |
| 10/22/1991 | US5059244 Fugitive colorant and washable ink compositions |
| 10/15/1991 | US5057393 Complexed with cationic dyes |
| 10/08/1991 | US5055602 Tinting contact lenses blue |
| 10/08/1991 | US5055567 Disperse dyes which are convertible into a thermo-migration fast form |
| 10/08/1991 | US5055566 Amine salts of disazo black dyes having good solubility in polar organic solvents |
| 10/02/1991 | EP0449117A2 Organic polymer and preparation and use thereof |
| 09/24/1991 | US5051351 Dye polymers |
| 09/23/1991 | WO1991014744A1 Monoazo pigment compositions |
| 09/23/1991 | CA2078862A1 Monoazo pigment compositions |
| 09/20/1991 | WO1991014740A1 Metal chelate compound and optical recording medium comprising the same |
| 09/20/1991 | CA2057864A1 Metal chelate compound and optical recording medium using it |
| 09/17/1991 | US5049189 Method of preparing a solution of sulfonated aryl azo/diaryl guanidine-complexed dye |
| 09/17/1991 | CA1288905C Process for coloring polyester shaped articles |
| 09/11/1991 | EP0445926A2 Organic materials having sulfonamido linked poly(oxyalkylene) moieties and their preparation |
| 09/10/1991 | CA1288766C Reducible compounds and analytical compositions, elements and methods utilizing same |
| 09/05/1991 | WO1991013382A1 Nonlinear optical elements containing j-aggregates |
| 09/04/1991 | EP0445075A1 New dyestuff salts of the anthragquinone dye series |
| 08/27/1991 | US5043406 Fluorescent acrylamide polymers |
| 08/27/1991 | US5043376 Liquid-dispersible, polymeric colorant compositions and aqueous dispersions |
| 08/27/1991 | US5043013 Washable ink compositions |
| 08/20/1991 | US5041539 Preparation of aqueous concentrates of yellow azo and azoxystilbene dyes utilizing alkanolamine salts |
| 08/14/1991 | EP0441689A1 Process for enzymatic preparation of melanin pigment and its use in cosmetics |
| 08/07/1991 | EP0440368A2 Method of preparing a solution of sulfonated aryl azo/diaryl guanidine-complexed dye |
| 08/06/1991 | US5037448 Good wet fastness |
| 08/06/1991 | CA2035516A1 Process for preparing a melanin based pigment by enzymatic means and its use in the making of cosmetics |
| 07/30/1991 | US5035621 Method of dental treatment |
| 07/23/1991 | US5034309 Used for forming a recording layer |
| 07/17/1991 | EP0437105A1 Intermediates and colorants having primary hydroxyl enriched poly(oxyalkylene) moieties and their preparation |
| 07/16/1991 | US5032670 Amorphous or crystalline |
| 07/16/1991 | US5032140 Storage stability |
| 07/09/1991 | WO1991010693A1 Copolymerized methine colorant-polyester color concentrates |
| 07/09/1991 | US5030708 Colored polyester compositions |
| 07/09/1991 | US5030701 Fluorine- and chromophore-containing polymer |
| 07/09/1991 | US5030697 Polymer-bound dyes, process for their production and use |
| 07/09/1991 | CA1285955C Dyeing compounds for keratinic fibres, based on indole derivatives and novel compositions |
| 06/19/1991 | EP0432735A2 Liquid crystal coupled dichroic dyes |
| 06/19/1991 | EP0363471A4 Dyed mineral pigments and applications |
| 06/18/1991 | US5024698 Monoazo pigment compositions |
| 06/11/1991 | CA1284740C Photosensitive materials containing ionic dye compounds as initiators |
| 05/16/1991 | WO1991005060A3 Spectrally resolvable rhodamine dyes for nucleic acid sequence determination |
| 05/14/1991 | US5015715 Method for bonding an analyte-sensitive dye compound to an addition-cure silicone |
| 04/30/1991 | US5011917 Process for preparing a stabilized composition of a lithium azo compound |
| 04/18/1991 | WO1991005060A2 Spectrally resolvable rhodamine dyes for nucleic acid sequence determination |
| 04/17/1991 | EP0422538A1 Malonic acid dyestuffs and products of their polycondensation |
| 04/17/1991 | EP0422535A1 Polymerisable perylene-3,4,9,10-tetracarboxylic diimides and polymeric products thereof |
| 04/11/1991 | DE4030520A1 New pigments, suitable for colouration of plastics, lacquers and inks |
| 03/19/1991 | US5001229 Water soluble basic dyestuffs |
| 03/19/1991 | US5001209 Non-linear optical active diols and polyurethanes prepared therefrom |
| 03/13/1991 | EP0417017A1 Copolymerized anthraquinone-polyester colour concentrates |
| 03/12/1991 | US4999456 N-dibenzosuberenylacrylamide (N-5-(5H-dibenzo[a,d]cycloheptenyl)acrylamide) |
| 03/12/1991 | US4999418 Polyesters colored with the residue of heat stable anthraquinone compounds |
| 03/06/1991 | EP0415859A1 Polyesters colored with the residue of heat stable anthraquinone compounds |
| 03/05/1991 | US4997897 Unsaturated esters or amides of aminoanthraquinone dyes |
| 03/01/1991 | WO1991003509A1 Polyesters colored with the residue of heat stable anthraquinone compounds |
| 03/01/1991 | WO1991003508A1 Copolymerized anthraquinone-polyester color concentrates |
| 02/26/1991 | US4995885 Concentrated aqueous dye solutions for dyeing paper |
| 02/20/1991 | EP0413114A2 Method for bonding an analyte-sensitive dye compound to an addition-cure silicone |
| 02/16/1991 | CA2019726A1 Method for bonding an analyte-sensitive dye compound to an addition-cure silicone |
| 02/12/1991 | US4992495 Process for coloring high-molecular weight organic material using amine salts of azo pigments based on pyrazolone derivatives |
| 02/07/1991 | DE4023212A1 New fluorophore-substd. phosphate derivs. - are intermediates for new labelled nucleoside, nucleotide and oligo-nucleotide probes and primers in bio-technology |
| 02/06/1991 | EP0411103A1 Non-linear optical materials with vicinal donor or acceptor groups |
| 01/22/1991 | US4986852 Pigments and use thereof |
| 01/16/1991 | EP0408322A1 Dye-Borate complexes |
| 01/16/1991 | EP0408227A1 Photohardenable or photosoftenable compositions |
| 01/16/1991 | EP0408195A2 Solvent soluble dye |
| 01/16/1991 | EP0408192A1 Solvent soluble dye |
| 01/16/1991 | EP0408191A1 Substituted phthalocyanines |
| 01/15/1991 | US4985546 For coloring polyurethane foams |
| 01/10/1991 | DE3921702A1 New dye resins for affinity chromatography - prepd. from reactive dye and macroporous acrylic resin |
| 01/09/1991 | EP0407228A1 Dye-borate complexes |
| 01/01/1991 | US4981516 Polyoxyalkylene ether-modified |
| 12/25/1990 | US4980458 Mixed sodium, ammonium and/or calcium salt crystals of laked monoazo disulfonated pyrazolone pigments |
| 12/18/1990 | US4978747 Nonmigrating, lightfast; dyeing polymers |
| 12/18/1990 | US4978362 Thermoplastic resin composition containing polyalkyleneoxy-substituted azo coloring agents having trifluoromethyl substituents |
| 12/18/1990 | CA1277979C Amine salts of azo compounds |
| 12/12/1990 | CN1047681A Dyed mineral pigments and applications |
| 12/11/1990 | US4977281 Polyoxyalkylene amino alcohols and polyoxyalkylene amino 1,3-dioxanes and 1,3-dioxolanes |
| 12/05/1990 | EP0235198B1 Colored unsaturated polyester material containing copolymerized methine dyes, and products therefrom |
| 11/28/1990 | EP0399458A1 Diarylide/disazo pyrazolone pigment compositions |
| 11/28/1990 | EP0399395A1 Tetrachloroferrates of basic dyes |
| 11/22/1990 | EP0398620A2 Poly(oxyalkylene) modified phthalocyanine colorants |
| 11/14/1990 | EP0397190A1 Azoic pigments, their production and their use |
| 11/07/1990 | EP0396376A1 Polymerizable dye |
| 10/30/1990 | US4966607 Method of producing dyed polysaccharide:amino or imino starch derivative with reactive dye |
| 10/23/1990 | CA1275538C Colored unsaturated polyester material containing copolymerized methine dyes, and products therefrom |
| 10/16/1990 | US4963604 Polymer of protein and monomer with specific glass transition temperature |
| 10/09/1990 | US4962190 Azo dyes containing polyethyleneimine with an aniline diazo component and a hydroxynaphthalene, aminopyridine or acetoacetic coupling component |
| 10/09/1990 | CA1274953A1 Coloring material and process for preparation thereof |
| 10/03/1990 | EP0390551A2 Organic electroluminescent device |
| 09/26/1990 | EP0389067A2 Ionic dye compounds |
| 09/25/1990 | US4959448 Liquid crystalline side-chain polyesters prepared by polycondensation reactions |
| 09/19/1990 | EP0387823A2 Polymers and their use |