Patents for C09B 57 - Other synthetic dyes of known constitution (5,224)
11/1998
11/12/1998WO1998050393A1 Metal complex photosensitizer and photovoltaic cell
11/11/1998EP0877058A2 Diketopyrrolopyrrol compositions
11/06/1998CA2236619A1 Novel diketopyrrolopyrrole compositions
11/04/1998EP0875505A2 Near-infrared fluorescing compounds
11/04/1998EP0745107B1 Triazolopyridine dyes
11/03/1998US5831098 Narrow absorption band; good solvent solubility
11/03/1998US5830931 Process for the preparation of polycyclic compounds
11/03/1998US5830912 Derivatives of 6,8-difluoro-7-hydroxycoumarin
11/03/1998US5830241 Fluorescent whitening agent formulation
10/1998
10/29/1998WO1998047472A1 The use of 1-substituted isatins to dye fibers containing keratin
10/29/1998DE19717282A1 Verwendung von 1-substituierten Isatinen zum Färben von keratinhaltigen Fasern Use of 1-substituted isatins for dyeing keratin fibers
10/28/1998EP0873989A2 Process for the preparation of distyryl-biphenyl compounds
10/28/1998EP0748411B1 Process for colouring synthetic textile materials
10/28/1998CN1197065A Process for production of distyryl-biphenyl fluorescent whitening agents
10/21/1998CN1196673A Keratin fibre dyeing composition containing pyrazolo-(1,5-alpha)-pyrimidine derivatives, dyeing method, pyrazolo-(1,5-alpha) pyrimidine new-type derivatives and preparation method thereof
10/15/1998WO1998045281A1 RED COLOURING HYPERCHROMIC 3H-NAPHTHO[2,1-b]PYRANS
10/14/1998EP0766842B1 Phthalimide blocked post-processing stabilizers for photothermography
10/08/1998WO1998029358A3 Surface modified carbonate materials
10/07/1998EP0868902A2 Hair dye
10/06/1998US5817832 Blue diketopyrrolopyrrole pigments
10/01/1998WO1998043082A1 Compounds for detecting phosphoric acid esters
10/01/1998DE19712486A1 Pigment preparation used for inks in ink-jet printing
09/1998
09/30/1998EP0867477A1 Polycyclic compounds
09/29/1998US5814580 Forming a chelate dye by the reaction of an azomethine dye with a metal-ion containing compound; excellent light fastness
09/23/1998EP0866367A2 Radiation sensitive composition
09/23/1998EP0866106A1 Pigment combination for gravure inks for illustrations with improved rheological properties
09/22/1998US5811546 A polyheterocyclic dye provided with atleast one ionizable group which permits solubilization in aqueous or alkaline medium
09/22/1998US5811545 Dyes for use in diverse applications
09/22/1998US5811543 Fluorescent carbamate-modified phthalocyanine pigments
09/15/1998US5808073 Preparation and purification of perylene-3,4-dicarbimides
09/15/1998US5808015 Red fiber reactive, acid dyes for cellulose fibers, cotton, wool, silk, polyamides, polyesters, polyolefins and polyacrylonitrile; colorfastness; brightness; triazine dyes
09/11/1998WO1998038976A1 Means and method for dying and coloring keratin fibers
09/10/1998DE19708497A1 Mittel und Verfahren zum Färben und Tönen keratinischer Fasern Agents and methods for coloring and tinting keratin fibers
08/1998
08/26/1998EP0860437A1 Process of preparation of substituted 4,4'-diaministilbene-2,2'-disulfonic acid
08/20/1998WO1998035746A1 Method and apparatus for purifying water-insoluble compounds
08/18/1998US5795981 Processes for the preparation of squarylium dyes
08/13/1998WO1998034988A1 Photostabilized cyanine dyes and optical recording medium
08/12/1998EP0719217B1 Method and material for the formation of a heat mode image
08/06/1998WO1998033866A1 Fluorescent host-guest-system
08/06/1998WO1998033865A1 Fluorescent chromophore, covalently linked to an organic support material
08/06/1998WO1998033864A1 Fluorescent compositions and their use
08/06/1998WO1998033863A1 Process for the preparation of fluorescent compositions, fluorescent compositions and their use
08/06/1998WO1998033862A1 Fluorescent materials and their use
08/05/1998CN1189772A Diaminopyrazole-containing compositions for colouring keratin fibres, colouring process, novel diaminopyrazoles and method for their prepn.
08/05/1998CN1189512A 模制合成树脂 Molded synthetic resin
08/04/1998US5789592 Compounds as ligands for metals
08/04/1998US5789420 Azavesamicols
07/1998
07/30/1998WO1998032802A1 Soluble chromophores having improved solubilising groups
07/30/1998CA2275965A1 Soluble chromophores having improved solubilising groups
07/29/1998EP0855602A2 Molded synthetic resin
07/28/1998US5786487 1,4-diketo-3,6-diarylpyrolo 3,4-C!pyrrole pigment derivatives
07/28/1998US5785750 1,4-diketo-3,6-diarylpyrolo 3,4-c! pyrrole
07/28/1998US5785720 Process for coloring high molecular weight material with polycyclic compounds
07/21/1998US5783710 Benzothioxanthene dyes, their preparation and their use
07/16/1998WO1998008487A3 Compositions containing pyrrolo-oxazoles for dyeing keratin fibres; their use for dyeing as couplers, method of dyeing
07/14/1998US5780627 Fluorescent dioxazine pigments
07/14/1998US5779778 Ink composition containing a mixture of benzodifuranone dyes
07/09/1998WO1998029877A1 Proton conductor in liquid form
07/09/1998WO1998029399A1 Pentacyclic anion salts or tetrazapentalene derivatives and their uses as ionic conducting materials
07/09/1998WO1998029396A1 Heterocyclic aromatic anion salts, and their uses as ionic conducting materials
07/09/1998WO1998029389A1 Malononitrile-derivative anion salts, and their uses as ionic conducting materials
07/09/1998WO1998029388A1 Perfluorinated amide salts and their uses as ionic conducting materials
07/09/1998WO1998029358A2 Surface modified carbonate materials
07/09/1998CA2805188A1 Use of an ionic compound, derived from malononitrile as a photoinitiator, radical initiators or catalyser in polymerization processes or as a basic dye
07/09/1998CA2704986A1 Use of an ionic compound, derived from malononitrile as a photoinitiator, radical initiators or catalyser in polymerization processes or as a basic dye
07/09/1998CA2683826A1 Pentacyclic anion salts or tetrazapentalene derivatives and their uses as ionic conducting materials
07/07/1998US5777089 Nonlinear optical device, colored textile, printing ink
07/01/1998EP0850933A1 Salts of pentacyclic or tetrapentaline derived anions, and their uses as ionic conductive materials
07/01/1998EP0850932A1 Salts of heterocyclic anions and their uses as ionic conductive materials
07/01/1998EP0850921A1 Salts of malononitrile derived anions, and their uses as ionic conductive materials
07/01/1998EP0850920A2 Salts of perfluorinated amides and their uses as ionic conductive materials
06/1998
06/24/1998EP0848942A1 Composition and method for dyeing keratin fibres
06/17/1998EP0847271A1 PYRAZOLO-(1,5-a)-PYRIMIDINE DERIVATIVES, THEIR PREPARATION AND HAIR DYES CONTAINING THESE
06/17/1998EP0596098B1 Fluorescent microparticles with controllable enhanced stokes shift
06/16/1998US5767292 Processes for preparing 1-methoxy-2-propyl 3-(7-diethylamino-2-oxo-2H-chromen-3-yl)-3-oxopropionate
06/16/1998US5766576 Oxidation hair dye compositions containing 3,4,5-triaminopyrazole derivatives and 3,4,5-triaminopyrazole derivatives
06/16/1998CA2121507C Method for tagging thermoplastic materials with near infrared fluorophores
06/09/1998US5763612 Benzopyran dyes and their intermediates
06/09/1998US5763134 Composition comprising photochemical acid progenitor and specific squarylium dye
06/04/1998WO1998023690A1 Method for preparing light-absorbing polymeric compositions
06/02/1998US5759212 Process for coloring synthetic textile materials
05/1998
05/26/1998US5756740 Photographic sensitizers for adsorption of dyes to silver halide grains and nonadsorption of silver halide and in the presence of pyridinium salt and 4-dialklyaminopyridine
05/26/1998US5756257 Color proofing article incorporating novel antihalation dye
05/20/1998EP0842988A1 Spin-transition chemical compounds and temperature threshold crossing display devices comprising an active medium which contains at least one of those compounds
05/14/1998DE19645063A1 Optischer Aufheller Optical Brightener
05/13/1998EP0840765A1 Dye mixtures
05/12/1998US5750761 Reaction with a cyanide and oxidizing agent in presence of halides
05/12/1998US5750758 Pyrocarbonic acid diesters and the preparation and use thereof
05/12/1998US5750723 Polymerizable diketopyrrolopyrroles and polymers prepared therewith
05/12/1998US5749925 Dyeing or printing process with new and known cationic 4,5-dihydro-iH-1,2,3-triazolium compounds as dyestuffs and new cationic 4,5-dihydro-1H-1,2,3-triazolium compounds
05/07/1998WO1998018996A1 Optical brightening agent
05/07/1998WO1998018866A1 Process for colouring high molecular weight organic material and polycyclic pigments
05/07/1998DE19644077A1 Pigment preparation used for inks in ink-jet printing
05/07/1998CA2269222A1 Process for colouring high molecular weight organic material and polycyclic pigments
05/06/1998EP0839879A2 Use of pigment preparations for ink-jet printing
05/06/1998CN1180719A Dispersions of fluorescent whitening agents
04/1998
04/30/1998WO1998017729A1 Pigment granulation
04/30/1998CA2265520A1 Pigment granulation
04/29/1998EP0838463A2 Squarylium compound and optical information recording medium using the same
04/21/1998US5741911 Dyeing and printing automobile covering fabrics
1 ... 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 ... 53