Patents for C09B 57 - Other synthetic dyes of known constitution (5,224)
12/1980
12/02/1980US4237293 Colorfast shades of yellow to red for plastics and lacquers
12/02/1980US4237292 Metal complexes of azomethines
12/02/1980US4237286 Coloring plastics and lacquers in yellow to red shades
11/1980
11/26/1980EP0019588A1 Method of pigmenting lacquers of a high molecular organic material by means of a pigment of the isoindoline series
11/26/1980EP0019182A1 Benzofuran derivatives and their use as optical brighteners
11/25/1980US4236007 Naphtholactam dyestuffs
11/25/1980US4236003 V-Triazolyl-[4,5-d]-pyrimidH.
11/25/1980CA1090338A1 1,4-bis-¬azol-2'-yl|-naphthalenes
11/18/1980US4234677 Antihalation agents, mordants, and filters
11/18/1980US4234488 Benz-[c,d]-indolyl compounds
11/18/1980CA1089856A1 V-triazolyl-¬4,5-d|-pyrimidines
11/12/1980EP0018589A2 Process for the preparation of insoluble metal complex dyes
11/11/1980US4233440 Optical brighteners
11/04/1980US4231957 Phosphonium compounds, a process for their preparation and a process for the preparation of asymmetrically substituted stilbene fluorescent brightening agents
11/04/1980US4231931 Yellow to red hues
11/04/1980US4231741 Benzoxazolyl-stilbenes and aryltriazoles; synergistic
10/1980
10/28/1980CA1088659A1 Azaquinolone dye lasers
10/28/1980CA1088259A1 Brightener mixtures and their use
10/21/1980US4229577 Improved reactivity, minimal fog, high fastness to light
10/21/1980CA1088066A1 Nitrated couplers used as direct, oxydation and mixed dyes
10/15/1980EP0017621A1 Derivatives of naphtholactam, process for their preparation and their use as dyestuffs
10/15/1980EP0017214A1 Isoindoline dyestuffs and their utilisation
10/15/1980EP0017132A1 Dyestuffs, their preparation and utilisation
10/15/1980EP0017012A2 Dyes and process for the generation of tints based on optionally substituted 2-amino-5-iminopyrrolenines
10/15/1980EP0017009A2 Dyes and tints based on optionally substituted 2-amino-5-iminopyrrolenines
10/15/1980EP0017003A1 Isoindoline dyestuffs and their use as pigments
10/14/1980US4228259 Water-soluble cationic polymer dye compounds and process for producing the same
10/07/1980US4226595 Oxidation hair-coloring preparation based upon N,N-bis-(β-hydroxyethyl)-m-phenylenediamines
10/01/1980EP0016418A1 Water-insoluble imino coumarin dyestuffs, process for their preparation and their use
09/1980
09/23/1980CA1086318A1 Naphtholactam dyestuffs
09/17/1980EP0015570A1 Isoindolin pigments and their use
09/17/1980EP0015511A2 Use of oligo- or polymeric compounds in dyeing lignin-free paper material
09/17/1980EP0015361A1 Cumarinic pigments, process for their preparation and their use
09/16/1980US4223152 Process for purifying crude isoindolinone series pigments
09/16/1980US4222788 Mixed pigment and process of preparing the same
09/16/1980US4222739 Certain bis(phenyl)-benzodifurans
09/16/1980CA1085839A1 Naphtholactam dyestuffs
09/09/1980US4221911 Naphtholactam dyestuffs
09/09/1980US4221562 Quaternary ammonium substituted, with glutaraldehyde or glyoxal, for printing cellulose
09/09/1980CA1085395A1 Isoindoline pigments and processes for their preparation and use
09/02/1980US4220780 Cationic dyestuffs
09/02/1980US4220777 Naphthalimide derivatives
09/02/1980US4220760 Optical brighteners
09/02/1980US4220356 Recording materials containing chromenoindoles
08/1980
08/26/1980CA1084526A1 Metaaminophenols and tinctorial compositions having same
08/26/1980CA1084511A1 Process for the manufacture of 2,5-bis-(benzoxazolyl)- thiophene compounds
08/26/1980CA1084509A1 Stilbene compounds and process for preparing same
08/26/1980CA1084501A1 Benzimidazo- 1,2-a -quinolines and process for their preparation
08/20/1980EP0014411A1 Process for the preparation of benzimidazolylbenzofurans
08/20/1980EP0014344A1 Coumarin compounds, process for their preparation and their use as whiteners and laser dyes
08/20/1980EP0014307A1 1.4-Distyrylbenzene derivatives, their preparation and their use as optical brighteners and laser dyes
08/19/1980CA1084061A1 Divinyl stilbenes as optical brighteners
08/12/1980US4217449 Process for the preparation of bis-triazolylstilbenes
08/12/1980CA1083578A1 Benzofuran derivatives, process for their manufacture and their use as optical brighteners
08/06/1980EP0014177A1 Bis-styrylbenzenesulfonic acid compound, process for its preparation and its use for optical bleaching of organic fibrous materials
08/06/1980EP0013981A1 Colourless preparations of optical brighteners of the bis-triazinylamino-stilbene-disulfonic acid compound series
08/06/1980EP0013751A2 Use of quaternised compounds in dyeing paper
08/05/1980US4216111 Stable dispersions of fluorescent whitening agents of the bis-triazinylaminostilbene group in free acid form and method of preparing same
08/05/1980CA1082973A1 Carrier with coating of resin and copper tetra-4- (octadecylsulfonamido) phthalocyanine and use thereof in colour electrophotographic development
07/1980
07/29/1980US4215010 Substituted 1,3,3-trimethylspiro(indoline-2,3'-(3h)-napth(2,1-b)(1,4)oxazine)
07/29/1980CA1082832A1 Perinone compounds, process for preparing them and their use as dyes
07/15/1980US4212763 Bis-triazinylaminostilbene compounds and their use as fluorescent brightening agents
07/08/1980US4211872 Substituted furopyridinones and furopyrazinones
07/01/1980US4210757 Novel naphthoylene-perinones disperse dyestuffs
07/01/1980US4210591 Pressure sensitive or heat sensitive recording materials
07/01/1980CA1080718A1 2-stilbenyl-1,2,3-triazoles which contain carboxyl groups
07/01/1980CA1080624A1 Oxidation hair-coloring preparation based upon n,n-bis-(b-hydroxyethyl)-m-phenylenediamines
06/1980
06/25/1980EP0012291A1 Process for the preparation of benzimidazolyl benzofuranes
06/17/1980US4208513 Benzoxazolyl-phenylstilbenes, processes for producing them, and their use as optical brighteners
06/17/1980US4208183 Process for improving the storage stability of indole dyestuffs
06/11/1980EP0011824A1 Benzofuranyl-benzimidazoles, process for their preparation and their use in the optical bleaching of organic materials
06/03/1980US4206072 Benzoxazolyl-phenyl-stilbenes
05/1980
05/28/1980EP0011078A1 Process for the manufacture of the pure sodium hydroxide addition compounds of cis-naphthoylene-bis-benzimidazoles
05/20/1980US4204073 Trimethyl oxo or hydroxy-substituted cyclopentenes; intermediates for violerythrin and actinioerythrol
05/20/1980US4203722 Transfer printing process with naphtholactam dyes
05/20/1980CA1077955A1 Sensitizers for photoconductive compositions
05/14/1980EP0010740A1 Spirodipyranes and their use as colour formers in copying processes
05/14/1980EP0010652A1 4-Chlorooxazoles, method for their preparation and their use in photoconductive coatings in electrophotography and as optical brighteners
05/14/1980EP0010607A1 Triazolylstyryl compounds and their use as whiteners for organic materials
05/13/1980US4202981 Substituted -6,7,8,9-tetrahydro-pyrido- and 2H-pyrano [2,3-b][1,8]naphthyridines, stable efficient laser dyes
05/13/1980CA1077489A1 Benzofuran derivatives, process for their preparation and their use as optical brighteners
05/06/1980US4201713 Naphthostyril dyestuffs
04/1980
04/29/1980US4200753 Water-soluble fluorescing and lasing dyes
04/29/1980US4200752 Fluorescent dyes
04/16/1980EP0010063A2 Process for the preparation of furanyl-benzazoles
04/16/1980EP0009679A1 Fluorescent dyestuffs of the stilbene series, process for their preparation and their use in the whitening of organic materials and as laser dyestuffs
04/08/1980US4197401 Stilbenes, process for the manufacture thereof and the use thereof as optical brighteners
04/08/1980CA1074957A1 Process for the dyeing and printing of synthetic polyamides
04/02/1980EP0009095A1 1.3.4-Oxadiazole-2-one derivatives, processes for their preparation and their use as optical brighteners
04/01/1980US4196146 Making nitrodiarylamines from formyl derivatives of aromatic amines and nitrohaloarenes by admixing with certain aqueous salt solutions
04/01/1980CA1074806A1 Diazaphenalene derivatives
04/01/1980CA1074786A1 Metal complexes of bishydrazides
04/01/1980CA1074553A1 Azacoumarin dye lasers
03/1980
03/25/1980CA1074328A1 Substituted 1,4-bis-styrylbenzene and 4,4'bis-styrylbiphenyl and their use as optical brightners
03/19/1980EP0008669A1 Colour-fast preparations of detergent brighteners and process for their production
03/11/1980CA1073462A1 Cationic alpha-cyano-p-dimethyl aminocinnamoyl dyes
03/04/1980US4191566 Electrophotographic imaging process using anthraquinoid black pigments or metal complexes
02/1980
02/26/1980US4190726 Polycyclic dyestuffs
02/19/1980US4189589 Phenyl-benzimidazolyl-furanes
02/19/1980CA1072238A1 Process for the dyeing of thermoplastics in the melt
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