Patents
Sitemap › C09 - Dyes; Paints; Polishes; Natural resins; Adhesives; Compositions not otherwise provided for; Applications of materials not otherwise provided for › C09B - Organic dyes or closely-related compounds for producing dyes; Mordants; Lakes › C09B 57 - Other synthetic dyes of known constitution
Patents for C09B 57 - Other synthetic dyes of known constitution (5,224)
05/1990
05/09/1990EP0366923A2 Thermally-transferable fluorescent diphenylpyrazolines
05/08/1990US4924003 Pyrazoline compounds
05/01/1990US4922018 Photoconductive imaging members with unsymmetrical squaraine compositions
05/01/1990US4921968 Blue dyes for color photography
04/1990
04/25/1990EP0364890A2 Panchromatic electrophotographical recording element
04/18/1990EP0364403A1 Distyryl biphenyl compounds
04/18/1990EP0363659A1 Use of stilbene derivatives in anionic polymerisation
04/11/1990EP0363034A2 Polycyclic dyes
04/10/1990US4916711 Fluorescent tri-cyclic dye
04/10/1990US4916240 Dyes for polyester textiles
04/10/1990US4916234 Chromogenic dicyanomethylenepyrazolinones
04/04/1990EP0361936A2 Lasing compositions and methods for using the same
04/04/1990EP0361255A1 Liquid-crystal mixtures containing azulene square acid dye
04/03/1990US4914211 Pigment compositions
04/03/1990US4914209 Photographic couplers
03/1990
03/28/1990EP0360184A2 Process for the manufacture of pigment preparations of the anthanthrone range
03/28/1990EP0360182A2 Pigment preparations
03/22/1990DE3931052A1 Pigment prepn. useful in plastics and lacquer - contg. organic pigment and basic additive which is tri:oxo tri:hydro benzimidazo:benz:phenanthroline cpd.
03/21/1990EP0359618A1 2-Substituted para-aminophenols and their use in the coloration of keratinic fibres
03/21/1990CN1040642A Dye compositions for dyeing denim cotton yarn and dyeing process and dyed articles using same
03/20/1990US4910187 Heat-sensitive transfer material
03/14/1990EP0358148A2 Solid solutions of azomethine pigments
03/13/1990US4908457 1,2,4,5-benzoylenebis(anthraquinone[1,2-d]imidazole) compounds
03/13/1990US4908437 Thien-2-one compounds with an alkylidene or imino group in the 5-position of the ring
03/13/1990US4908040 Anionic cyclodiylide compounds, their preparation and use in washing agents as shading dyes
03/07/1990EP0357350A2 Novel xanthene dyes
03/07/1990EP0356898A2 Silver halide photographic materials containing aryl hydrazides
02/1990
02/28/1990EP0356173A2 Fluorescent dyes
02/27/1990US4904794 Pyrazoline compounds
02/27/1990US4904566 Optical recording medium containing an azulenium dye
02/22/1990WO1990001526A1 Liquid crystal display devices and liquid crystal medium to be used therein
02/22/1990WO1990001480A1 Optical memory
02/13/1990US4900822 New hydrolase substrates
02/08/1990WO1990001050A1 A hair dye
02/08/1990WO1990000978A1 A heat sensitive recording element and a thermographic method
02/07/1990EP0353868A2 Phenalenimine fluorescent dyes and their use in analytical compositions, elements and methods
02/07/1990EP0353531A1 Hair dye
02/01/1990DE3901988A1 Erasable optical fluorescence and absorption data medium having good long-term stability
01/1990
01/31/1990EP0353184A1 Process for the preparation of aminated diketodi(het)aryl-pyrrolopyrroles and use of the same as photoconducting substances
01/31/1990EP0353067A2 Electrophotographic photosensitive material containing m-phenylenediamine compound
01/09/1990US4892945 Isoindoline pigments containing at least one triazolopyrimidone radical
01/09/1990US4892899 Novel compositions based on tetrachloroisoindolinone pigments
01/03/1990EP0349489A2 Organic macromolecular material containing a hydrazone-based metal complex pigment
01/03/1990EP0348826A2 Isobenzothiazolone chromogenic thiol indicators and their derivatives
01/02/1990US4891351 Thermally-transferable fluorescent compounds
01/02/1990US4891324 Fluorimetry
12/1989
12/12/1989US4886722 Xerography; sensitive to visible and infrared light
11/1989
11/29/1989EP0343925A2 Dye compositions for dyeing denim cotton yarns and dyeing process and dyed articles using same
11/28/1989US4883732 Method of forming printing plate using isoindolenine deratives
11/23/1989DE3816187A1 New azulene quadratic acid dyestuff and azulene cpds.
11/15/1989EP0342152A2 Mass-dyed highly molecular organic materials containing metal complexes; metal complexes and process for their preparation
11/15/1989EP0341541A2 Azulene-squarillic dyes containing urethane groups, their intermediary products and an optical recording medium
11/14/1989US4880718 Electrophotographic recording element with isoindolenine derivatives
11/09/1989DE3914151A1 Squarylium compounds and their use in optical recording materials
11/02/1989EP0340169A2 Chromogenic lactone compounds of benzopyrano-2H-pyrazoles
11/02/1989EP0339869A2 Novel phenazine dyes
11/02/1989EP0339556A2 9-Oxo-1,9a-10-triaza-9-hydroanthracene compounds, their preparation process and their use as dyestuffs
11/02/1989DE3911643A1 Heterocyclic dyes
10/1989
10/24/1989US4876357 For pressure and heat sensitive elements
10/24/1989US4876356 Naphtholactam dyes and optical recording medium containing these days
10/24/1989US4876029 Substituted and unsubstituted ring-bridged para-oligophenylene UV laser dyes
10/18/1989EP0337945A1 Monoketo-pyrrolopyrroles
10/18/1989EP0337435A2 Process for the manufacture of covering diketopyrrolopyrrole pigments
10/11/1989EP0336709A2 Aminofunctional organosilicon optical brighteners
10/11/1989CN1036205A Doll or other children's toy with photochromatic characteristics, and the method for its prepn.
10/03/1989US4871371 Tint compositions useful for providing coloration to aqueous and non-aqueous liquids
09/1989
09/26/1989CA1260477A1 Mixtures of pigments
09/26/1989CA1260476A1 Process for the preparation of pyrrolo¬3,4- c|pyrroles, and pyrrolo¬3,4-c|pyrroles
09/20/1989EP0332922A2 Pyrazolidinedione arylidene dye-donor element for thermal dye transfer
09/12/1989US4866152 Aminofunctional organosilicon optical brighteners
09/12/1989US4866113 Compounds useful as pigments containing one or more 2,2,6,6-tetraalkylpiperidine groups
09/12/1989US4866025 Multicolor images
09/12/1989US4865650 For coloring high molecular weight components; paints; rheology, luster
09/12/1989US4865617 Dyeing compositions for keratinous fibres, especially for human hair, containing oxidation dye precursors and heterocyclic couplers
09/06/1989EP0331477A2 Organic dye thin film and organic thin film element
08/1989
08/29/1989US4861898 Isoindoline metal complexes
08/22/1989US4859606 Method for detecting cations in a test sample utilizing chromogenic cryptahemispherands
08/22/1989US4859206 Hair dye preparations containing nitrodiphenylamine derivative
08/22/1989CA1258672A1 Calcium complexing dyes and their use in analytical compositions, elements and methods
08/17/1989DE3903159A1 Organic compounds
08/15/1989US4857475 Labelled and labellable reagents for fluorometric assays
08/01/1989US4853366 Pyrazolidinedione arylidene dye-donor element for thermal dye transfer
07/1989
07/05/1989EP0323399A1 Optical brightener dispersion
07/05/1989EP0322564A2 Stable detergents containing optical brighteners
07/04/1989US4845220 Red, orange or purple shades on cotton
07/04/1989US4845214 Heat treatment, pathalic or benzoic acid, water
07/04/1989US4845030 Detection of hydrogen peroxide or perroxidase
06/1989
06/28/1989EP0322359A2 Isoindoline pigments containing at least a triazolopyrimidone rest
06/28/1989EP0321919A2 Pigments and their use
06/28/1989EP0321715A2 Stable detergents containing optical brighteners
06/21/1989EP0321397A2 Stuff compositions based on tetrachloroisoindolinone pigments
06/21/1989EP0321393A1 Optical brightener dispersion
06/14/1989EP0320201A1 1,2,4,5-Benzoylenebis (naphto [2,3-d] imidazole) compounds and photosensitive members containing them
06/14/1989EP0320200A1 1,2,4,5-Benzoylenebis(anthraquinone [1,2-d] imidazole) compounds and photosensitive members containing them
06/14/1989EP0319728A1 Naphthalactam trimethine dyestuffs and optical recording medium containing these dyestuffs
06/13/1989US4838943 Compounds useful as pigments containing one or more 2,2,6,6-tetraalkylpiperidine groups
06/07/1989EP0318759A1 Multilayered electrophotographical recording material
05/1989
05/31/1989EP0317979A2 Stable detergents containing optical brighteners
05/31/1989EP0317978A2 Stable detergents containing optical brighteners
05/16/1989US4830951 High sensitivity to semiconductor lasers
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