Patents for C09B 57 - Other synthetic dyes of known constitution (5,224)
12/1987
12/03/1987DE3618216A1 Azo pigments
11/1987
11/17/1987US4707548 Plastics, printing inks
10/1987
10/21/1987EP0241696A2 Naphtholactam dyes and optical recording carrier containing them
10/14/1987EP0241419A2 Pigments containing piperidyl groups
10/13/1987US4699982 Perinone compound
10/07/1987EP0240275A2 Novel phosphorus-containing coumarins
09/1987
09/24/1987DE3609804A1 Thiazolyl cyano-coumarins and their use for the areal concentration of light
09/15/1987CA1226986A1 Photopolymerisable coating agent, and a photopolymerisable material and its use
09/01/1987USH334 Oxazole dyes
08/1987
08/20/1987DE3703065A1 Organic laser dye, dye laser and laser process
08/18/1987US4687853 Imidazo[1,5-A]pyridylmethanes
08/18/1987CA1225663A1 Process for synthesizing squaraine compositions
08/18/1987CA1225662A1 Process for squaraine compositions
08/12/1987EP0232130A2 Biological and analytical uses of phenalenone and benzphenalenone compounds
08/12/1987EP0232129A2 Hydrolyzable fluorescent substrates for phosphatases and analytical use thereof
08/05/1987EP0231127A2 Composition, element and method using polymeric mordants to increase the intensity of rigid fluorescent dyes
08/05/1987EP0231125A2 Hydrolyzable fluorescent substrates and analytical determinations using same
08/04/1987US4684744 Intermediates for optical brighteners
07/1987
07/14/1987US4680417 2.6-dioxo-2.6-dehydrobenzo[1:2-b,4:5-b]difurans
07/14/1987CA1224036A1 Record material
07/01/1987EP0227086A2 Chemiluminescent composition
06/1987
06/30/1987US4677045 Squarylium charge generating dye and electrophotographic photoconductor
06/23/1987US4675423 Camphordithiolene complexes
06/10/1987EP0224687A1 Metal complex pigments
06/03/1987EP0224445A2 Pyrrolo-pyrrole pigment preparations, their preparation process and their use
06/02/1987US4670882 Dyestuff laser
05/1987
05/27/1987EP0222766A1 Labelled and labellable reagents for fluorometric assays.
05/27/1987DE3533545A1 Isoindoline dyes
05/19/1987US4666526 Azine pigments, processes for their preparation, and their use
05/19/1987US4666455 Plastics, fibers, varnishes
05/12/1987US4663859 Shipping in dry, granular foam; fluorescent whiteners, tinopal
04/1987
04/21/1987US4659775 Coloring organic materials of high molecular weight
04/21/1987US4659500 Liquid crystals for display elements
04/16/1987DE3536690A1 Naphthoylenebenzimidazole-peri-dicarboxylic acid derivatives, preparation thereof and use thereof
04/08/1987EP0217749A2 Method for improving strength of dry dye particles and reducing explosion hazards
04/08/1987EP0217214A1 2,4-dioxopyrrolo(2,3-c)pyrroles
03/1987
03/26/1987DE3625007A1 Quinophthalone dyes
03/18/1987EP0214847A2 Squarate dye conjugate, process for making it and its use in assay methods and kits
03/17/1987US4650882 Dyes having two 5-membered lactone rings fused to a central cyclohexa-1.4-diene nucleus
02/1987
02/24/1987US4646309 Emission at a specific wavelength
02/24/1987US4645539 Weatherfastness, condensation with barbituric acid
02/19/1987DE3625575A1 Metal complex pigments
01/1987
01/29/1987DE3622898A1 Isoindoline dyes
01/27/1987US4639408 Process for image formation comprising a heating step
01/27/1987CA1217197A1 Recording element having a pyrylium or thiopyrylium- squarylium dye layer and new pyrylium or thiopyrylium -squarylium compounds
01/22/1987DE3622323A1 Isoindoline dyes
01/22/1987DE3526100A1 Isoindoline pigments and their use
01/22/1987DE3525075A1 Isoindoline colourants
01/22/1987DE3525074A1 Isoindolinone colourants and their use
01/21/1987EP0209028A2 Use of the 3-iminoisoindoline derivatives, and 3-iminoisoindoline derivatives
01/20/1987US4637975 Heat-developable photographic materials
01/15/1987DE3525109A1 Heterocyclic compounds
01/08/1987DE3622322A1 Process for the finishing conversion of isoindoline pigments
01/08/1987DE3620680A1 Isoindoline dyes
01/08/1987DE3522742A1 Printing inks containing isoindoline dyestuffs
01/06/1987US4634779 Cyanogenation of benzopyrones and naphthopyrones
12/1986
12/30/1986US4632893 Charge generating and transporting layers; dark resistance; polymeric dyes
12/30/1986EP0206281A2 Process for converting crude isoindoline pigments into a pigmentary form
12/23/1986US4631251 Heat-developable color photo-sensitive material with polymeric coupler
12/09/1986US4628093 Red nickel azine pigment
11/1986
11/04/1986CA1213462A1 Photoreceptor containing squaric acid methine dyes
09/1986
09/30/1986US4614547 Azine pigments
09/23/1986US4613669 Preparation of 1,4-diketopyrrolo-[3,4-c]pyrroles
09/16/1986US4612014 Use of metal complexes of hydrazones as pigments
09/10/1986EP0193774A1 Camphor-di-thiolene-complexes and their use
09/09/1986US4611070 Spirodibenzopyrans
09/09/1986CA1211112A1 Oxoindolizine and oxoindolizinium dyes and processes for their preparation
09/02/1986US4609738 Fluorescent red dyeings on polyesters
08/1986
08/27/1986EP0192215A1 Tetraphenyl-di-thiolene complexes, asymmetrical substituted benzoines and optical recording mediums containing the complexes
08/19/1986US4606613 Liquid crystal display device containing laser-absorbing dye
08/13/1986EP0190692A2 Bisindoline pigments and their use
08/12/1986US4605419 5,8-dihydroxy naphthalene-1,4-dione derivative and a hair dye composition containing the same
07/1986
07/30/1986EP0189188A2 Optical recording medium
07/22/1986US4601846 Liquid crystal substances for the guest-host effect
07/16/1986EP0187620A2 Dithioketo-pyrrolo-pyrroles, process for their preparation and use
07/08/1986US4599113 Isoindoline pigment having a high color strength
07/01/1986US4598151 Cationic dyestuffs, a process for their preparation, and their use for dyeing and mass-coloring
06/1986
06/25/1986EP0185618A2 Isoindolines, process for their manufacture and their use
06/18/1986EP0184982A1 Pyrrolo-[3,4-c]-pyrroles and process for their preparation
06/04/1986EP0183193A2 Isoindole compounds, their metal complexes and their use
05/1986
05/28/1986EP0182507A2 Hetero-polycyclic dyestuffs, methods for their preparation and their use in colouration of textile materials
05/14/1986EP0181290A2 Pigment blends
05/13/1986US4588517 Liquid crystal composition
05/06/1986US4587538 Record material
05/06/1986US4587339 Nickel complex pigments of bis-azomethines
04/1986
04/29/1986US4585878 N-substituted 1,4-diketopyrrolo-[3,4-c]-pyrroles
04/15/1986US4582902 3-hydroxy-8-oxoquinazolo[3,2-a]-quinoline phenyl azomethines
04/08/1986US4581450 3-hydroxy-8-oxoquinazolo[3,2-a]-quinolines
04/01/1986US4579949 Preparation of pyrrolo[3,4-c]pyrroles
03/1986
03/25/1986US4578469 Benzo[de]pyrano[3,2-g]isoquinoline derivatives useful as dyestuffs
03/19/1986EP0174793A2 Perinone compound
03/18/1986US4577024 Oxoindolizine and oxoindolizinium compounds useful as dyes
03/13/1986WO1986001604A1 Labelled and labellable reagents for fluorometric assays
03/12/1986EP0174177A2 Heat-developable color photo-sensitive material
03/11/1986US4575378 Substituted 4-amino-3-nitrophenols, processes for their preparation and hair-coloring agents containing these compounds
02/1986
02/26/1986EP0172512A2 Azine pigments
02/26/1986EP0172321A2 Squarylium charge generating dye and electrophotographic photoconductor
02/25/1986CA1200970A1 Helichromic-smectic liquid crystal compositions and display cells
01/1986
01/15/1986EP0168035A2 Use of anilin derivatives as coupling agents in oxidative colour-forming reactions
01/14/1986US4564680 Pigments
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