| Patents for C09B 1 - Dyes with an anthracene nucleus not condensed with any other ring (1,801) |
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| 09/29/1994 | WO1994021752A1 Anthraquinones as marking agents for mineral oils |
| 09/29/1994 | CA2156156A1 Anthraquinones as marking agents for mineral oils |
| 09/28/1994 | CN1092801A Markers for petroleum, method of tagging, and method of detection |
| 09/01/1994 | WO1994018937A1 Use of 1,8-dihydroxynaphthalenes as oxidation dye preliminary products in oxidation dyeing agents |
| 08/31/1994 | EP0479842B1 Method of preparing anthraquinone dyes |
| 08/30/1994 | US5342974 Reacting 1,4,5,8-tetrachloroanthraquione with monohalogenated aniline in presence of carboxylic acid salt, benzyl alcohol and copper catalyst |
| 08/24/1994 | CA2116063A1 Stabilisation of organic pigments |
| 08/10/1994 | EP0609591A1 Markers for petroleum, method of tagging, and method of detection |
| 08/02/1994 | US5334727 Pigment system additives to improve rheology, transparency, |
| 06/22/1994 | EP0602546A1 Process for the preparation of 1-amino-4-hydroxyanthraquinone |
| 06/22/1994 | EP0602027A1 Synthesis of carminic acid and principal intermediates. |
| 06/14/1994 | US5320678 Process for producing 4,4'-diamino-1,1,'-dianthraquinonyl pigments |
| 05/24/1994 | US5314505 Aminoan thraquinone dyes having a quaternary center with a long aliphatic chain |
| 05/18/1994 | EP0597287A1 Process for the preparation of anthraquinones |
| 04/19/1994 | US5304244 Lightfast colors for polymers |
| 04/13/1994 | CN1085210A Preparation of 1,4-diaminoan-thraquinone-2,3-disulfonic acid and 1,4-diaminoanthraquinone-2,3-dinitrile |
| 04/12/1994 | US5302577 Transfer of anthraquinone dyes |
| 04/05/1994 | US5300475 Anthraquinone dyes |
| 03/29/1994 | US5298029 Nitrophenylenediamine dyes having a quaternary center with a long aliphatic chain |
| 03/02/1994 | CN1083058A Synthesization of 2-|3,6-bis (N-ethylamino)-2,7-dimethyl-3-hydrogen-oxyanthracene-9¨-ethyl benzoate hydrochloride |
| 02/09/1994 | EP0582079A1 Method to produce 1,4-diaminoanthraquinone-2,3-disulphonic acid and 1,4-diaminoanthraquinone-2,3-dinitrile |
| 02/02/1994 | EP0450021B1 Anti-cancer compounds |
| 01/05/1994 | EP0576995A2 Process for the preparation of 5-halogeno-2-(1-anthraquinonylamino)benzoic acids and of 4'-halogeno-2,1(N)-anthraquinonyl-1',2'(N)-benzacridones |
| 12/29/1993 | EP0575441A1 Element for sealing and monitoring a body, in particular a refuse dump. |
| 12/28/1993 | US5273906 Protein staining compositions and methods |
| 12/07/1993 | CA1325007C Lightfast disperse dyestuffs |
| 11/25/1993 | WO1993023006A1 Oxidation hair dye based on a creamy carrier and process for dyeing hair |
| 11/25/1993 | DE4216381A1 Oxidationshaarfärbemittel auf der Basis einer cremeförmigen Trägermasse und Verfahren zum Färben von Haaren Oxidation hair on the basis of a creamy carrier composition and method for coloring hair |
| 11/11/1993 | DE4314326A1 New anthraquinone dyes with good stability to abrasion, moisture and light - useful for dyeing or printing of natural or synthetic polyamide fibre or polyester materials |
| 11/03/1993 | EP0567829A1 Process for transfer of anthraquinone dyes |
| 10/12/1993 | US5252769 Anthraquinonic colorant and polarizing film containing the colorant |
| 10/12/1993 | CA1323125C Colored thermoplastic resin composition |
| 09/30/1993 | WO1993019037A1 Compounds |
| 09/08/1993 | EP0558658A1 Protein staining compositions and methods |
| 08/31/1993 | CA1321790C Halogenated anthraquinone and their use as near infrared rays absorbing optical filters |
| 08/24/1993 | US5238984 Mass coloration of plastics |
| 08/18/1993 | EP0348519B1 Liquid crystal composition and display element using same |
| 07/15/1993 | DE4200601A1 New phenoxy:carbonyl:alkyl-substd. dispersion dyes - used for dyeing (semi)-synthetic fibres e.g. polyester or cellulose acetate with good fastness |
| 07/13/1993 | US5226924 1,4-di(mono- or poly) hydroxyalkylamino-9,10-anthraquinones for dyeing human keratinous fibres, cosmetic composition containing them in combination with azo and nitrobenzene dyes, and hair-dyeing process using them |
| 06/29/1993 | CA1319686C Isopropyl 1-amino-4-m-toluidinoanthraquinone-2- carboxylate, cyan composition for sublimation transfer record and cyan composition for color toner containing it |
| 06/22/1993 | US5221341 Coated with titanium dioxide layer and top coating of alkaline earth metal titanate layer |
| 06/17/1993 | DE4241875A1 Conditioning of 4,4'-di:amino-1,1'-di:anthraquinonyl pigments - by heating in aq. suspension in presence of alkali |
| 05/11/1993 | US5210190 Preparation of triazinyl-bis-anthraquinone dyes by reacting aryldihalotriazine with amino anthraquinone |
| 05/04/1993 | US5208210 Thermal transfer printing |
| 04/27/1993 | US5205840 Markers for petroleum, method of tagging, and method of detection |
| 04/06/1993 | US5199956 Dyeing polyesters with azo, anthraquinone, vinyl nitrile, coumarin, perinone, nitro, thioindigo or azo-methine dyes |
| 03/23/1993 | US5196553 From bromaminic acid and a benzenesulfonamide or an amide, copper/I/ catalyst formed by in situ reduction of a copper/II/ salt, less copper required |
| 01/26/1993 | US5182395 Cyan toner for multicolor electrography |
| 01/20/1993 | CN1068129A Surface-modified plate-like pigments |
| 01/19/1993 | US5180841 Preparation of 1-amino-2-chloro-4-hydroxyanthraquinone |
| 12/30/1992 | EP0520313A2 Plate-like pigments with modified surfaces |
| 12/08/1992 | US5169403 Washfast hair dyes |
| 12/01/1992 | US5168093 Sublimation thermaltransfer printing sheet comprising novel magenta dyestuffs |
| 10/20/1992 | CA1309092C Process for preparing polyurethane resins colored with anthraquinone colorants and products produced thereby |
| 10/14/1992 | EP0508184A1 Process for the preparation and purification of 1-amino-2-phenoxy-4-hydroxyanthraquinone |
| 10/13/1992 | US5155089 Anthraquinone dyes for thermal transfer printing |
| 09/30/1992 | EP0505528A1 Hair colorant containing 1,4-bis- (dihydroxyalkyl)amino]-anthrachinone and novel 1,4-bis- (dihydroxyalkyl)amino)]-anthrachinones |
| 09/23/1992 | WO1992016316A1 Element for sealing and monitoring a body, in particular a refuse dump |
| 08/19/1992 | EP0499451A1 Synthesis of 1-amino-anthraquinone |
| 08/19/1992 | EP0499450A1 Synthesis of 1-aminoanthraquinone |
| 07/30/1992 | DE4201801A1 4,4'-Di:amino 1,1'-di:anthraquinonyl 3,3'-di:sulphonic acid purificn. - by salting out from acid or neutral soln., used as red pigment in paint, ink or plastics |
| 07/29/1992 | EP0496113A1 Process for the preparation of 1-amino-2-chloro-4-hydroxy-anthraquinone |
| 07/21/1992 | US5132439 Coomassie dye" derivatives |
| 07/21/1992 | US5132437 From 2-Substituted Benzyl Compound and Xylene |
| 07/21/1992 | US5132327 Anti-cancer compounds |
| 07/14/1992 | US5130448 Synthesis of 1-aminoanthraquinone |
| 06/17/1992 | EP0490225A1 Use of anthraquinone dyerstuffs for thermal transfer printing |
| 06/17/1992 | EP0489841A1 Polyesters colored with the residue of heat stable anthraquinone compounds |
| 06/04/1992 | DE4139209A1 Red pigment prodn. from 4,4-di:amino 1,1-di:anthraquinonyl cpd. - by conditioning by heating in aq. suspension, useful in paint, ink and plastics, improving dispersibility flow, covering power etc. |
| 05/26/1992 | US5116958 Disperse dyes which are convertible into a thermomigration fast form |
| 05/20/1992 | WO1992008689A1 Protein staining compositions and methods |
| 05/20/1992 | EP0485520A1 Copolymerized anthraquinone-polyester color concentrates |
| 05/20/1992 | CA2096542A1 Protein staining compositions and methods |
| 05/13/1992 | EP0485337A1 Pyrazole-containing pigment derivatives |
| 05/12/1992 | US5112359 Diaminoanthraquinone dyes for hair dyes with carriers and water |
| 05/07/1992 | DE4032607A1 Mittel zum faerben von haaren mit einem gehalt an 1,4-bis((dihydroxyalkyl)amino)-anthrachinon sowie neue 1,4-bis-((dihydroxyalkyl)amino)- anthrachinone Agent for dyeing hair with a content of 1,4-bis ((dihydroxyalkyl) amino) anthraquinone and new 1,4-bis - ((dihydroxyalkyl) amino) - anthraquinones |
| 04/30/1992 | WO1992006670A1 Hair colorant containing 1,4-bis-[(dihydroxyalkyl)amino]-anthrachinone and novel 1,4-bis-[(dihydroxyalkyl)amino)]-anthrachinones |
| 04/15/1992 | EP0480829A1 Hair dyeing composition containing anthraquinones |
| 04/15/1992 | EP0480278A1 Use of anthraquinone dyestuffs for thermal transfer printing |
| 04/15/1992 | EP0479842A1 Method of preparing anthraquinone dyes. |
| 04/08/1992 | EP0479728A1 Anthraquinones having long chain acylamino groups and their utilization |
| 04/07/1992 | US5102764 Anthraquinone dye dispersed in polymer particles for developing latent electrostatic images |
| 04/06/1992 | CA2052704A1 Anthraquinones containing long-chain acylamino groups and use thereof |
| 03/11/1992 | EP0474599A1 Process for dyeing of hydrophobic textil material with disperse dyestuffs in supercritical CO2 |
| 02/06/1992 | WO1992001664A1 Synthesis of carminic acid and principal intermediates |
| 01/21/1992 | US5082957 Preparation of 1-amino-2-bromo-4-hydroxyanthraquinone |
| 01/21/1992 | CA1294616C Process for production of 1-aminoanthraquinone |
| 01/07/1992 | US5078794 Desulfonation of the corresponding disulfonic acid compound, treatment with organic solvent, purity, intensity, coloring paints and plastics, red |
| 01/02/1992 | EP0463993A1 Process for the preparation of aminoanthraquinone derivatives |
| 01/02/1992 | EP0244488B1 Anthraquinone compounds and liquid-crystal composition containing them |
| 12/12/1991 | DE4018229A1 New 1,4,5,8-tetra:amino anthraquinone dyestuff cpds. - are used in liquid crystal polymer prodn. |
| 12/11/1991 | EP0460879A1 Hair colorants |
| 12/11/1991 | EP0460496A1 Tetra-amino-anthraquinone dyes |
| 11/21/1991 | EP0457721A1 NIR-absorbant dyes |
| 11/06/1991 | EP0455595A2 Anthraquinone dyes with a silyl group |
| 11/06/1991 | EP0455103A2 Process for halogenation of polycyclic compounds |
| 10/15/1991 | CA1290752C Dichroic coloring agents for liquid crystal displays |
| 10/08/1991 | US5055602 Tinting contact lenses blue |
| 10/01/1991 | CA1289700C Polarizing film |
| 09/11/1991 | EP0445410A1 Reactive dyes |