| Patents for C09B 1 - Dyes with an anthracene nucleus not condensed with any other ring (1,801) |
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| 07/13/1988 | EP0274356A1 Vattable 2-aryl-4,6-diaminopyrimidine |
| 07/05/1988 | US4755012 Ray absorption filter |
| 06/07/1988 | US4749521 Process for preparing 1,4-diaminoanthraquinone-2,3-disubstituted compound |
| 06/01/1988 | EP0269563A2 Process for the preparation of 1-aminoanthraquinone |
| 05/24/1988 | US4746461 Method for preparing 1,4-diaminoanthraquinones and intermediates thereof |
| 05/11/1988 | CN87107132A Process for preparation of 1-aminoanthraquinones |
| 05/05/1988 | WO1988003158A1 Derivatives of anthraquinone as dichroic dye for liquid-crystal material, a liquid-crystal material and electro-optical device |
| 05/03/1988 | US4741867 Process for the preparation of 1-amino-2-bromo-4-hydroxyanthraquinone |
| 04/19/1988 | US4738800 Cyanation, hydrolysis of a boron group substituted anthraquinone |
| 04/05/1988 | US4735631 2-alkylamino- or alkoxyamino-1,4-dihydroxy-anthraquinones |
| 03/23/1988 | EP0261075A2 Process for the preparation of dispersive dyes |
| 03/23/1988 | EP0260786A2 Liquid crystal polymers |
| 03/22/1988 | US4732570 Alkyleneoxy substituted chromophore |
| 03/01/1988 | US4728464 Wool and nylon |
| 02/23/1988 | CA1233173A1 Silane anthraquinone dyes and composite pigments |
| 02/11/1988 | DE3724836A1 Optisches aufzeichnungsmedium An optical recording medium |
| 01/20/1988 | EP0253144A2 Polarizing film |
| 01/20/1988 | EP0125311B1 Polyesters containing copolymerized, anthraquinone colorant compounds containing sulfonamido groups |
| 01/05/1988 | US4717511 Chemiluminescent composition |
| 12/23/1987 | EP0250362A1 Process for the preparation of a mixture of 1-amino-2-chloro-4-hydroxy-anthraquinone and 1-amino-2-bromo-4-hydroxy-anthraquinone |
| 12/23/1987 | EP0249969A2 Process for production of 1-aminoanthraquinone |
| 12/01/1987 | US4710320 Method for producing 1-amino-2-phenoxy-4-hydroxyanthraquinones |
| 11/24/1987 | CA1229595A1 Colored petroleum markers |
| 11/24/1987 | CA1229594A1 Photosensitive compositions of matter which are capable of undergoing condensation or addition reactions and may or may not be crosslinkable, reaction products which can be prepared therefrom and their use |
| 11/17/1987 | CA1229205A1 Process for dyeing or printing polyamide fibres |
| 11/11/1987 | EP0244488A1 Anthraquinone compounds and liquid-crystal composition containing them |
| 10/27/1987 | US4702561 Aminoanthraquinone bisanil |
| 10/20/1987 | US4701281 Process for the preparation of anthraquinone imides |
| 10/13/1987 | US4699735 Sulfonating 1,4-diaminoanthraquinone with oleum |
| 09/30/1987 | EP0239538A2 Process for the preparation of 1,4-diamino-2,3-dicyanoanthraquinones |
| 09/22/1987 | US4695407 Filtration, oxidation, reduction, extraction; |
| 09/22/1987 | US4695406 Anthraquinone compounds and the production and use thereof |
| 09/09/1987 | EP0236262A2 Anthraquinone vat dyes |
| 09/08/1987 | US4692278 Process for the preparation of 1,4-diaminoanthraquinones |
| 08/25/1987 | US4689171 Liquid crystals |
| 07/29/1987 | EP0230045A2 Process for dyeing polyamide fibres |
| 07/02/1987 | DE3643590A1 Process for the preparation of vat dyes from brominated dibenzanthrone and 1-aminoanthraquinone |
| 07/01/1987 | EP0227086A2 Chemiluminescent composition |
| 07/01/1987 | EP0226860A1 Simultaneous method of dyeing and permanent waving of the hair |
| 06/30/1987 | US4676923 Dichroic dyestuffs for liquid crystal and liquid crystal composition |
| 06/18/1987 | WO1987003474A1 Process for simultaneous dyeing and permanent forming of hair |
| 06/03/1987 | CN86106149A Coloring thermal-plastic resin products |
| 05/12/1987 | US4664714 Pigment composition |
| 05/07/1987 | WO1987002688A1 Anthraquinone compounds and liquid-crystal composition containing them |
| 04/28/1987 | US4661293 Preparing monoamino monotosylanthraquinones and reacting with amines |
| 04/21/1987 | US4659831 Chemical intermediates for vat dyes |
| 04/14/1987 | US4657842 Photosensitive compositions of matter comprising epoxide compounds and functional anthraquinones |
| 04/14/1987 | US4657707 Process for the preparation of aromatic hydroxy compounds |
| 04/08/1987 | EP0217510A2 Anthraquinone derivatives |
| 04/07/1987 | US4655970 Process for the manufacture of anthraquinone compounds |
| 03/26/1987 | DE3631172A1 Process for the preparation of 1-hydroxylaminoanthraquinones |
| 03/25/1987 | EP0215322A2 Colored thermoplastic resin composition |
| 03/10/1987 | US4648994 Bromination, hydrolysis |
| 03/03/1987 | US4647411 5,6,7,8-tetrafluoroanthraquinone derivatives |
| 02/24/1987 | US4645626 Process for the production of quinizarine derivatives which are disubstituted in the 5- and 8-positions by hydroxyl or chlorine |
| 02/03/1987 | US4640690 Colored thermoplastic resin composition containing a colorant having an alkylenoxy-substituted chromophore group |
| 12/30/1986 | US4632781 Liquid crystal dye compound |
| 12/23/1986 | US4631344 Formylated anthraquinone thiazolidine ester |
| 12/10/1986 | EP0204304A2 Ray absorption filter |
| 10/29/1986 | EP0199670A2 Process for the preparation of anthraquinone imide compounds |
| 10/22/1986 | EP0198795A2 Process for the preparation of 1,4-diaminoanthraquinones |
| 09/30/1986 | US4614804 Printing, dyeing cellulose |
| 09/30/1986 | CA1212107A1 Process for dyeing differential-dyeing fibres |
| 09/23/1986 | US4613208 Coloring substance-containing liquid crystal mixtures |
| 09/09/1986 | US4610804 Anthraquinone dyes and liquid crystal compositions including the same |
| 09/02/1986 | US4609404 Yellow pigments |
| 08/13/1986 | EP0190994A2 Process for the preparation of 1-amino-2-bromo-4-hydroxyanthraquinone |
| 08/06/1986 | EP0189772A2 Process for the preparation of oxamides |
| 07/30/1986 | EP0189376A2 Process for the preparation of 2-sulfo-1,4-diaminoanthraquinone |
| 07/29/1986 | US4602913 Use of hydroxyanthraquinones for the coloration of human keratin fibres |
| 07/23/1986 | CN85102826A Method for synthesizing amino-aryl-hydroxyethyl sulfone |
| 07/01/1986 | US4598155 3(5-tetrazolyl)1,4-diaminoanthraquinones |
| 07/01/1986 | US4597905 Reduction to leuco form acylation oxidation, photography |
| 06/25/1986 | EP0185569A1 Process for the preparation of anthraquinone vat dyes, dyes obtained by this process and textile products dyed with these dyes |
| 06/24/1986 | US4596666 Aryl-mercapto anthraquinone dyestuffs, their preparation and use and dichroic material containing aryl-mercapto anthraquinone dyestuffs |
| 06/11/1986 | EP0183975A2 5,6,7,8-Tetrafluoroanthraquinone derivatives |
| 05/13/1986 | US4588517 Liquid crystal composition |
| 04/29/1986 | US4585574 Positive dielectric anisotropy |
| 04/15/1986 | US4582897 2-azo-4-sulfo-4-methyldiphenyl sulfone derivatives |
| 03/05/1986 | EP0173404A2 Photographic products and processes as well as color providing compounds |
| 02/25/1986 | CA1200970A1 Helichromic-smectic liquid crystal compositions and display cells |
| 02/18/1986 | CA1200809A1 Organic dyes containing silane groups and process for preparing same |
| 02/18/1986 | CA1200657A1 Concentrated solutions of 1,4-dialkylamino- anthraquinone dyes for the colouring of petroliferous products |
| 01/08/1986 | EP0167311A2 Smectic liquid crystal cells |
| 01/02/1986 | EP0166684A1 Process for the preparation of hydroxy aromates |
| 11/19/1985 | US4553976 Process for dyeing or printing polyamide fibres |
| 11/06/1985 | EP0160162A1 Process for preparing 1-amino-2-bromo-4-hydroxy-anthraquinone |
| 10/29/1985 | US4549989 Reduction of mononitroanthraquinone with formaldehyde base, and catalyst |
| 09/25/1985 | EP0155345A2 Pleochroic anthraquinone dyes |
| 08/20/1985 | US4536569 Dyeing polyesters or cellulose esters blue |
| 08/20/1985 | US4536320 Nematic liquid crystalline composition |
| 08/13/1985 | US4535051 Anthraquinone dyes with thiazolidin-2-yl group |
| 08/06/1985 | CA1191376A1 Heat-developable color photographic material including dye releasing compound which bonds to oxidized product of reducing agent |
| 07/30/1985 | US4532069 Anthraquinone dyestuffs for liquid crystal dielectrics |
| 07/30/1985 | CA1191298A1 Polyesters containing copolymerized, anthraquinone colorant compounds containing sulfonamido groups |
| 07/24/1985 | EP0149125A2 Tagging compounds and a method for detecting such compounds |
| 07/23/1985 | US4530572 Substituted anthraquinone-type isotropic dyes for liquid crystal display devices |
| 07/10/1985 | EP0148126A2 Process for the isolation of pure 1-nitroanthraquinone from nitro-anthraquinone mixtures |
| 07/10/1985 | EP0147704A2 A water immiscible liquid comprising a tagging compound and method for detecting such tagging compound |
| 07/09/1985 | US4528113 Anthraquinone dye and liquid crystal composition containing the dye |