Patents for C09B 57 - Other synthetic dyes of known constitution (5,224)
05/1984
05/01/1984US4446227 Dyestuffs and their use in photographic material
05/01/1984US4446219 Photographic material comprising a layer with Ni complex of 2,2'-bisphenol
04/1984
04/17/1984US4443226 Process for dyeing textile sheet-like structures made of polyester fibers for use as warning protective clothing
04/04/1984EP0104530A2 Mixtures of vat dyes
03/1984
03/27/1984CA1164159A1 Process for the finishing of fibrous materials
03/07/1984EP0102318A2 Preparation of beta-amino-alpha,beta-unsaturated carboxylic-acid esters
03/07/1984EP0101954A1 Isoindolazines, process for their preparation and their use
03/07/1984EP0101897A1 Heterocyclic compounds
03/07/1984EP0101741A1 Coloring method and color-forming material
03/06/1984US4435003 Color formers in pressure and/or heat sensitive recording materials
02/1984
02/28/1984US4433975 Heterocyclic quaternary ammonium phosphates
02/21/1984US4432886 Cationic fluorescent whitening agents
02/14/1984CA1162193A1 Chromogenic quinazolines
01/1984
01/31/1984US4429133 2'-Benzothiazolyl-and 2'-benzoxazolyl-2-benzimidazoles
01/31/1984US4428859 Stabilizer of organic dye lasers
01/31/1984CA1161208A1 Mixtures of optical brighteners and their use
01/18/1984EP0098808A2 Preparation of 1,4-diketopyrrolo-(3,4-c)-pyrroles
01/18/1984EP0098522A2 Liquid crystal composition
01/17/1984US4426533 Pigments
01/17/1984US4426530 Triazolylcoumarin compounds, and their preparation and use as optical brighteners, scintillators and laser dyestuffs
01/11/1984EP0098242A2 Naphthostyril metal complexes, their preparation process and organic high molecular weight materials pigmented with these complexes
01/04/1984EP0097615A1 Preparation of cyanobenzoic-acid esters
01/03/1984US4424170 Halostilbene sulfonates useful as starting materials for making fluorescent whitening agents of the 4,4'-distyrylbiphenyl series
12/1983
12/27/1983CA1159451A1 Photographic material suited for use in diffusion transfer photography
12/20/1983CA1159082A1 Process for the preparation of 4,4'-dinitrostilbene- 2,2'-disulfonic acid and its salts
12/13/1983US4420637 Meta-phenylenediamines
12/06/1983US4419428 Electrophotographic light-sensitive media having a dis-azo compound
12/06/1983US4419101 Chlorine-substituted nitro-para-phenylenediamines, a process for their preparation and their use in dyeing keratin fibres
11/1983
11/23/1983EP0094911A2 Preparation of pyrrolo-(3,4-c) pyrroles
11/23/1983EP0094555A1 Substituted 2-pyrazolin-4-acetic acids, process for their preparation, their use and agents containing them
11/22/1983US4417060 Amino-substituted 2-cumaryl-(3)-chromenylium salts
11/22/1983US4417014 Phthaloperinone dyes and the use thereof for more dyeing plastics
11/15/1983US4415685 Process for dyeing high-molecular organic material, and novel polycyclic pigments
11/08/1983US4414395 Reacting an iminoisoindole with hydrazine
11/08/1983CA1156658A1 Iminoisoindolinone metal complexes, process for their production and their use
11/01/1983US4413131 Chlorine derivatives useful as pigments
10/1983
10/11/1983CA1155122A1 1:1 nickel complexes of isoindolinazines, process for their preparation and use
10/11/1983CA1154910A1 Mixtures of optical brighteners
10/05/1983EP0090305A2 Aza coumarins, process for their preparation and their use as dyestuffs
09/1983
09/28/1983EP0089602A1 Electrophotographic recording material
09/21/1983EP0088920A2 Isoindoline dyes and their use
09/20/1983US4405734 Using a 1,3,6-tri-oxo-benzimidazo(2,1-b)benzo(lmn)(3,8)phenanthroline
09/14/1983EP0088729A1 Use of metal complexes of hydrazones as pigments
09/14/1983EP0088594A2 Novel isoindoline cationic dyes
09/13/1983US4404389 Thiazole containing coumarin compounds
09/06/1983CA1153160A1 Mixtures of optical brighteners
09/01/1983WO1983002920A1 Coloring method and color-forming material
08/1983
08/31/1983EP0086946A1 Azolylstyryl compounds
08/30/1983US4401815 Isoindoline colorants
08/23/1983US4400507 Isoindoline pigments
08/23/1983US4400294 Mixtures of optical brighteners
08/16/1983CA1152082A1 Iminoisoindolinone pigments, process for their production and use thereof
08/16/1983CA1151806A1 Mixtures of optical brighteners
08/09/1983US4398027 Shearing aqueous suspension, heating
08/09/1983US4397651 Polymeric dyes derived from bis-reactive methylene compounds and aromatic di-aldehydes for paper
08/03/1983EP0084853A1 Process for the preparation of 1,8-naphtholactam compounds
07/1983
07/19/1983US4394129 Process for the finishing of fibrous materials: sulfonyl- or carbonyl-cyanamides of dyestuffs
07/05/1983CA1149379A1 Iminoisoindolinone pigments
06/1983
06/29/1983EP0082506A2 Photosensitive element, film unit, photographic process and dyes
06/28/1983CA1148955A1 Cationic compounds of the naphthalimide series, process for their preparation and their use
06/15/1983EP0081125A1 Cationic dyes, their preparation process and their use in dyeing and mass dyeing
06/08/1983EP0080814A1 Chromogenic compounds
05/1983
05/31/1983US4386150 Chromagens having a dye moiety, a nitrogen-nitrogen moiety, and a diffusion-conjtrolling hydroquinonyl moiety; color films
05/24/1983US4385174 For pigments
05/24/1983US4384973 Red/orange polyester fluorescent dye
05/17/1983US4384121 Cationic fluorescent whitening agents
05/17/1983US4384060 Colored polyester composition
05/17/1983US4384057 Composition containing a condensation product of 1,3-diiminoisoindoline and cyanoacetic anilide used to pigment an organic lacquer resin
05/17/1983CA1146562A1 Nickel complex pigments of azines
04/1983
04/27/1983EP0077496A1 Process for utilizing the light of wavelengths in the range from 470 to 600 nm for photo synthesis
04/19/1983US4380514 Preparation of optical brighteners
03/1983
03/23/1983EP0074925A1 Nickel complexes of azines
03/23/1983EP0074924A1 Pigments from nickel complexes of azines
03/23/1983EP0074566A1 Process for the colouration of thermoplastic materials in the mass
03/22/1983US4377703 Fluorescent dyes
03/22/1983CA1143379A1 Process for the manufacture of hydrazono-isoindolines
03/15/1983CA1142932A1 Process for the production of metal complexes of isoindoline azines
03/15/1983CA1142931A1 Metal complexes of isoindolinazines, process for their preparation and use
03/15/1983CA1142930A1 Metal complexes of isoindolinazines, process for their preparation and use
03/15/1983CA1142929A1 Process for the preparation of metal complexes of isoindolinazines
03/08/1983CA1142525A1 Magenta dye developers
03/02/1983EP0072905A1 Bis-oxadiazolyl-naphthalenes, process for their preparation and their application
03/01/1983CA1142283A1 Process for pigmenting organic material of high molecular weight
02/1983
02/23/1983EP0072489A1 Photographic material with a layer dyeable by organic dyestuffs
02/22/1983CA1141764A1 Isoindoline-azine nickel complex
02/08/1983US4373102 Isoindoline dyes, their preparation and use
02/08/1983US4373021 Indolizinone dyes and compositions, elements and methods using same
02/01/1983US4371735 Preparation of pigments having improved technological properties
02/01/1983US4371604 Photographic material suited for use in diffusion transfer photography
02/01/1983US4371467 Process for producing isoindolinone pigments
01/1983
01/25/1983CA1140130A1 Isoindoline pigments, production and use thereof
01/11/1983US4368247 Photographic materials and processes comprising oxoindolizine and oxoindolizinium compounds
01/05/1983EP0068880A1 Photographic elements capable of providing oxoindolizine and oxoindolizinium dye compounds
01/05/1983EP0068879A1 A method of making indolizinone-dyes, novel indolizinone-dyes obtained according to the process, method of producing images with oxoindolizinone-dyes and radiation sensitive element to produce the images
01/05/1983EP0068876A1 Oxoindolizine and oxoindolizinium dyes and processes for their preparation
01/04/1983US4367333 Metal complexes of isoindolinazines, process for their preparation and use
01/04/1983CA1138875A1 Thermolabile cyanine dyes
12/1982
12/28/1982US4366312 Metal complexes of isoindolinazines, process for their preparation and use
12/28/1982CA1138448A1 Triazolostilbeneoxadiazole compounds, process for their manufacture and their use as optical brighteners
12/22/1982EP0067792A1 Stilbene derivatives
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