| Patents for C09B 57 - Other synthetic dyes of known constitution (5,224) |
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| 05/16/1989 | US4830944 Function separated photosensitive member having a diphenylamine derivative disazo charge generation material |
| 05/16/1989 | US4830786 Condensation product of squaric acid with compounds such as aniline |
| 05/10/1989 | EP0315491A2 Amino-substituted pyrylium dyes and uses thereof |
| 05/10/1989 | EP0315224A1 Doll or other children's toy with photochromatic characteristics and the method for its preparation |
| 05/03/1989 | EP0314630A2 Detergent compositions |
| 05/03/1989 | EP0314621A2 Solid solutions of azo methine pigments |
| 05/03/1989 | EP0314480A2 Fluorescent indicator dyes for calcium working at long wavelengths |
| 04/20/1989 | DE3733173A1 Novel azulene-squaric acid dyes and optical recording medium containing the novel dyes |
| 04/18/1989 | US4822375 Dyeing compositions for keratinous fibres based on indole derivatives, and new compounds |
| 04/18/1989 | CA1252725A1 Dyeing composition for keratinic fibers comprising at least one cosolubilised n-substituted nitro-2 paraphenilenediamine and process for dyeing keratinic fibers |
| 04/18/1989 | CA1252667A1 Infrared sensitive photoconductor composition |
| 04/05/1989 | EP0310080A2 Azulene-squarillic dyes, azulenes as their intermediary products, and optical recording medium |
| 03/14/1989 | US4812409 Hydrolyzable fluorescent substrates and analytical determinations using same |
| 02/21/1989 | US4806664 Novel tetraphenyldithiolene complexes, asymmetrically substituted benzoins, and optical recording materials containing the novel complexes |
| 02/21/1989 | US4806488 Bonding to a specific binding pair |
| 02/15/1989 | EP0302973A1 Easily dispersible pigment composition and dispersing method |
| 02/08/1989 | EP0302627A2 Thermal transfer printing |
| 02/07/1989 | US4803161 Biological and analytical uses of phenalenone and benzphenalenone compounds |
| 02/07/1989 | US4803160 Use of polymeric mordants to increase the intensity of rigid fluorescent dyes |
| 02/07/1989 | US4803157 Dyes blocked with phosphono or thioxophosphono groups |
| 01/31/1989 | US4801302 Process for dyeing human hair with brazilin or its hydroxyl derivative and compositions employed |
| 01/17/1989 | CA1248804A1 Sensitive electrophotographic plates containing squaric acid methine dyes suspended in a binder |
| 01/11/1989 | EP0298917A2 Process for dyeing a highly polymeric organic material with pigments on the basis of iminoisoindoline |
| 01/11/1989 | EP0298361A1 Liquid detergene containing disulfonated optical brighteners |
| 01/04/1989 | EP0298037A2 Asymmetrical isoindoline pigments containing an ester group |
| 01/03/1989 | US4795712 Using 1,2-bis/0-aminoaryloxy)ethane-n,n,n*,n*-tetraacetic acid derivative |
| 12/13/1988 | US4791204 1,4-diketopyrrolo[3,4-c]pyrrole pigments |
| 12/07/1988 | EP0294029A2 Hetero-polycyclic aromatic compounds |
| 11/30/1988 | EP0292522A1 Colour former manufacture |
| 11/29/1988 | US4788284 Cyan dyes for photography, printing |
| 11/23/1988 | EP0291853A2 Thienon compounds |
| 11/15/1988 | US4785128 Terephthaldehyde reacted with benzyl compound substituted with nitrile or ester group |
| 11/15/1988 | US4785114 Quinophthalone dyes |
| 10/25/1988 | US4780531 Dichoric dye for color liquid crystals having halogen substituted in perylene structure |
| 10/19/1988 | EP0287330A2 Chromogenic hemispherands useful for detecting electrolytes |
| 10/19/1988 | EP0287329A2 Chromogenic cryptahemispherands useful in detecting electrolytes |
| 10/19/1988 | EP0287328A2 Preparation of chromogenic cryptahemispherands |
| 10/18/1988 | US4778899 Pigments used in plastics or lacquers; improved colorfastness |
| 10/18/1988 | US4778623 Fluorescent brighteners consisting of bis-styrylbenzene compounds, a process for their preparation and their use |
| 10/12/1988 | EP0286402A2 Calcium complexing dyes and their use in analytical compositions, elements and methods |
| 10/05/1988 | EP0285000A2 Chromogene compounds, their manufacture and use as enzyme substrates |
| 09/20/1988 | CA1242210A1 Use of metal complexes of hydrazones as pigments |
| 09/14/1988 | EP0282448A2 Pyrazoline compounds |
| 08/31/1988 | EP0280187A1 Hair dyeing compositions with direct-dyeing nitro-diphenyl amine derivatives |
| 08/18/1988 | DE3713459A1 Lightfast, readily soluble diketopyrrolopyrrole fluorescent dyes |
| 08/18/1988 | DE3703495A1 New perylene carboximide derivs. - useful as fluorescent dyes |
| 08/17/1988 | EP0278441A2 Optical recording medium comprising an azulenium dye |
| 08/16/1988 | US4764622 Light-collecting coumarin derivatives |
| 08/16/1988 | US4764217 Novel compositions based on isoindoline pigments |
| 08/09/1988 | US4762569 Diimide compound |
| 07/26/1988 | US4760151 Dithioketo pyrrolopyrroles |
| 07/20/1988 | EP0275139A2 Assay method using particles with associated fluorescer |
| 07/20/1988 | EP0274700A1 Substrates for hydrolases |
| 07/19/1988 | US4758663 Isoindoline compound |
| 07/13/1988 | EP0274356A1 Vattable 2-aryl-4,6-diaminopyrimidine |
| 06/28/1988 | US4753867 Optical recording medium |
| 06/22/1988 | EP0272216A2 Compositions of matter based on tetrachloroisoindolinone pigments |
| 06/22/1988 | EP0272007A2 5- and 6- Succinimidyl - carboxylate isomers of rhodamine dyes |
| 06/22/1988 | EP0271818A2 Isoindolin metal complexes |
| 06/16/1988 | WO1988004296A1 Colour former manufacture |
| 06/15/1988 | EP0271063A2 Pyrazoloazoleazomethine dyes |
| 06/15/1988 | EP0270962A2 Heterocyclic compounds, their manufacturing process and their use |
| 06/08/1988 | EP0270489A1 Anionic cyclo-diylidene compounds, their preparation and their use in detergents as shade dyestuffs |
| 05/26/1988 | DE3638763A1 Pigments containing piperidyl groups |
| 05/24/1988 | US4746740 Isoindoline colorants |
| 05/19/1988 | DE3738027A1 Naphtholactamverbindungen, verfahren zu deren herstellung sowie ihre verwendung als farbstoffe Naphtholactam, process for their production and their use as dyes |
| 05/05/1988 | DE3637091A1 Heterocyclic compounds |
| 05/04/1988 | EP0266310A1 Chromogenic phthalides and azaphthalides |
| 05/03/1988 | CA1236105A1 Preparation of pyrrolo¬3,4-c|pyrroles |
| 04/28/1988 | DE3636157A1 New methylenedithiolenequinone dyes, and thin, radiation-sensitive coating films containing them |
| 04/27/1988 | EP0265383A2 Use of pyridoquinolone derivatives as pigments |
| 04/20/1988 | EP0264198A2 Optical information recording medium |
| 03/31/1988 | DE3632039A1 Disazo pigments |
| 03/29/1988 | US4734515 1:2 metal complexes of 2-nitroso-acetoacetic acid and benzoylacetic acid arylamides |
| 03/24/1988 | DE3631848A1 Liquid dazomet concentrate |
| 03/23/1988 | EP0260689A2 Naphtholactam quadratic-acid dyes and optical registration materials containing them |
| 03/17/1988 | DE3630717A1 Azo pigment dyes |
| 03/08/1988 | US4730014 Coloring high-molecular weight organic materials |
| 02/23/1988 | US4727144 Certain intracyclic or extracyclic phosphorous containing coumarins useful as laser dyes |
| 02/18/1988 | DE3627744A1 Heterocyclic compounds |
| 02/16/1988 | US4725685 Yellow |
| 02/04/1988 | DE3724981A1 Optischer informationsaufzeichnungstraeger Optical informationsaufzeichnungstraeger |
| 02/03/1988 | EP0255157A2 Novel sunscreen agents, sunscreen compositions and methods for preventing sunburn |
| 02/02/1988 | US4723023 Isoindoline dyes |
| 01/26/1988 | US4721745 Pigments based on metal complexes |
| 01/20/1988 | EP0253271A1 Fluorescence polarization method for monitoring fetal lung maturity |
| 01/19/1988 | US4720305 Mixtures of pigments |
| 01/13/1988 | EP0252406A2 Process for the manufacture of polycyclic compounds |
| 01/13/1988 | EP0252405A2 3-methoxy-4-hydroxyphenylglycol fluorescence polarization immunoassay |
| 01/12/1988 | US4719300 Isoindoline colorants |
| 01/12/1988 | US4719051 Oxygenation |
| 01/07/1988 | EP0251398A2 Novel chromophores, sunscreen compositions and methods for preventing sunburn |
| 01/05/1988 | US4717511 Chemiluminescent composition |
| 12/29/1987 | US4716110 Composition for assaying hydrogen peroxide |
| 12/15/1987 | CA1230341A1 1,4-diketopyrrolo-¬3,4-c|-pyrroles |
| 12/10/1987 | DE3612148A1 Disazo pigments |
| 12/09/1987 | EP0248312A1 4,6-Dinitro benzothiazolone-2-hydrazones |
| 12/09/1987 | EP0248176A1 Electroscopic toners containing rhodamine ester dyes and quenching dyes therefor and their use |
| 12/08/1987 | US4711832 Colored electroscopic toners containing quenched esterified rhodamine dyes |
| 12/03/1987 | DE3618463A1 Green dye |