Patents for C09B 57 - Other synthetic dyes of known constitution (5,224)
12/1982
12/14/1982US4363503 For pressure sensitive carbonless duplicating and thermal marking systems
12/01/1982EP0065743A1 Coumarin derivatives, process for their preparation and their use as dyes
11/1982
11/30/1982CA1136356A1 Mixtures of optical brighteners and their use for the optical brightening
11/23/1982US4360679 Benzofuranyl-benzimidazoles
11/17/1982EP0064953A1 Stilbene derivatives
11/16/1982CA1135694A1 Naphtholactam dyes
11/10/1982EP0064303A1 Mixtures of biscyanostyryl benzenes
11/03/1982EP0063713A1 Dichroic anthraquinone dyes, liquid crystal dielectrics containing them and electro-optical display
10/1982
10/26/1982US4356123 Yellow pigment
10/19/1982US4355159 Nickel complex pigments of azines
10/13/1982EP0062614A1 Process for the manufacture of bismethine isoindolines
10/12/1982US4353971 High sensitivity to near infrared
10/06/1982EP0061624A1 Cationic dyes and their use
10/05/1982US4352932 Organic pigments for coatings, inks, and plastics
09/1982
09/29/1982EP0061426A1 Process for colouring highly molecular organic material and polycyclic pigments
09/14/1982US4349671 Process for the production of metal complexes of isoindoline azines
09/08/1982EP0059684A1 Amphoteric styrene derivatives
08/1982
08/24/1982US4346016 6-Styrylquinoxalines, and their use as fluorescent brighteners
08/24/1982CA1130315A1 Paraphenylene diamines for use in oxidizing-type hair dyes
08/17/1982CA1129874A1 Dyes, their production and their use
08/10/1982US4343944 Chromogens
08/10/1982US4343493 Duplicating and marking systems
08/04/1982EP0056947A2 Process for dyeing acid modified synthetic fibres
08/03/1982CA1129136A1 Process for the mass pigmenting of rigid polyvinyl chloride and polyolefins
07/1982
07/28/1982EP0056577A1 Triazolyl-coumarin derivatives, their preparation and use as optical brightening agents scintillators and dyestuffs for lasers
07/20/1982US4340735 Isoindoline colorants
07/13/1982US4339385 Indolinospiropyrane compounds
07/06/1982US4338258 Fluorescent dyestuffs, processes for their preparation and their use as laser dyestuffs
06/1982
06/30/1982EP0055219A1 Dyestuffs, their preparation and use
06/23/1982EP0054511A2 4-Styryl-4'-vinylbifenyls, methods for their preparation and their use as optical whiteners
06/22/1982US4336383 For dyeing textiles various shades of violet
06/22/1982US4336326 Silver halide emulsions; nondiffusing; 2-oxy-4-amino-s-triazine derivatives
06/22/1982US4336155 Mixtures of optical brighteners
06/08/1982US4333877 Substituted 2,7-dioxo-2,7-dihydrobenzo[1:2-b; 5:6-b1 ]difuran or -dipyrrole dyestuffs, their preparation and their use
06/01/1982US4332937 Dyes for polyacrylonitrile
05/1982
05/25/1982US4331805 V-Triazolyl-[4,5-d]-pyrimidines
05/18/1982US4330427 Mixtures of optical brighteners
05/18/1982US4330291 Nitrated coupler compounds useful in direct dyeing and simultaneous oxidation and direct dyeing of keratinic fibers
05/18/1982CA1123846A1 Basic dyes
05/18/1982CA1123845A1 Polymeric dyes
05/11/1982US4329504 Couplers for dyes, hair dyes
05/04/1982CA1123014A1 Making nitrodiarylamines from formyl derivatives of aromatic amines and nitrohalorenes by admixing with certain aqueous salt solutions
05/04/1982CA1122840A1 Electrophotographic imaging process
04/1982
04/28/1982EP0050263A1 Cationic dyes, their preparation and their use in the dyeing of cationically dyeable fibres and paper
04/27/1982US4327212 Yellow pigment
04/27/1982US4327024 Iminoisoindolinone pigments, process for their production and use thereof
04/20/1982US4326066 Triazolyl coumarin compounds, processes for their preparation and their use as whiteners and laser dyestuffs
04/13/1982CA1121830A1 Paraphenylenediamines, tinctorial compositions holding same and dyeing process
04/13/1982CA1121822A1 Derivatives of coumarin, or benzocoumarin, which are useful as pigments
04/06/1982US4323675 Novel stilbene compounds: process for their manufacture and their use as optical brighteners
04/06/1982US4323362 Dyed paper
03/1982
03/24/1982EP0047881A2 Dimethine compounds of the coumarine series, process for their preparation and their use as luminescent dyestuffs
03/23/1982US4321397 4-Aminoantipyrine dye for the analytic determination of hydrogen peroxide
03/23/1982US4321390 Preparation of insoluble metal complex colorants
03/10/1982EP0046861A2 Method for the surface concentration of light
03/09/1982US4318850 Carboxamide type azomethine pigment
03/02/1982US4317929 Tetraphenylketazines and isoindolinone pigments obtained therefrom
02/1982
02/24/1982EP0046250A1 Dyestuff preparation and its use as a warning and signalling colour
02/23/1982US4316860 Fluorescent brighteners
02/16/1982US4316032 Oximino-imino-isoindoline metal complexes useful as pigments
02/16/1982US4316023 Isoindoline colorants
02/09/1982US4314938 Iminoisoindolinone pigments containing phenylazoacetoacetyl-aminophenylene groups
02/03/1982EP0045279A1 Amine oxide compounds, processes for their manufacture and their use as optical brighteners
02/03/1982EP0044996A1 Mixtures of optical brighteners
02/02/1982US4314058 Indolins styryl-like compounds
02/02/1982US4313846 N-Acyl-o-phenylenediamines
01/1982
01/26/1982CA1116812A1 Process for converting a pigment or disperse dye into another modification
01/20/1982EP0044061A1 Process for the dyeing in a gel state of fibrous articles spun from acrylonitrile polymer solutions in organic solvents
01/19/1982US4311836 Water-insoluble azlactone dyestuffs, processes for their preparation and their use for dyeing or printing synthetic fiber materials
01/19/1982US4311527 Isoindoline colorants
01/19/1982US4311478 Paraphenylenediamines substituted at position 2 of the benzene ring
01/12/1982US4310359 Pigment compositions
01/05/1982US4309551 Quaternized, bridged benzimidazolylbenzimidazoles, processes for their preparation and their use
01/05/1982CA1115727A1 Metaphenylenediamines and tinctorial compositions holding same
12/1981
12/30/1981EP0042536A1 Benzoxozolyldihydronaphthotiophene compounds and their use as optical brighteners
12/30/1981EP0042531A1 Isoindoline derivatives and their uses as intermediates in the preparation of dyestuffs
12/23/1981EP0042181A2 Diphenyl derivatives
12/15/1981US4305873 To improve the tinctorial properties or change the shade
12/09/1981EP0041392A1 Electrophotographic light-sensitive media
12/08/1981CA1113962A1 Metaphenylenediamines and tinctorial compositions containing the same
11/1981
11/24/1981US4302586 Fluorescent whiteners
11/24/1981US4302579 Optical brightening agents and photographic materials which contain these brightening agents
11/17/1981US4301091 For whitening and for laser emission
11/10/1981US4299959 N-substituted iminocoumarins
10/1981
10/28/1981EP0038548A2 Process for the conditioning of organic pigments
10/27/1981US4297234 Optical brighteners
10/27/1981CA1111424A1 Photochromic compounds
10/21/1981EP0038092A1 Photographic material suited for use in diffusion transfer photography
10/20/1981CA1111044A1 Phenyl-benzimidazolyl-furanes
10/07/1981EP0037372A1 1:1-Nickel complexes of isoindoline azine, process for their preparation and their use
10/06/1981CA1110242A1 Pyrido-oxazolyl-stilbenes, process for their manufacture and their use as optical brighteners
10/06/1981CA1110013A1 Mixtures of optical brighteners
09/1981
09/30/1981EP0036836A2 Metal complexes of isoindoline azines, processes for their preparation and their use
09/30/1981EP0036835A1 Process for the preparation of metal complexes of isoindoline azines
09/30/1981EP0036834A1 Process for the preparation of metal complexes of isoindoline azines
09/23/1981EP0036389A2 Metal complexes of isoindoline azines, process for their preparation and their use
09/23/1981EP0036388A2 Isoindoline derivatives, process for their preparation and their use
09/23/1981EP0036387A2 Process for the preparation of hydrazono-isoindolines
09/16/1981EP0035698A2 Novel dyestuffs and their use in photographic material
09/16/1981EP0035694A1 Mixtures of optical brighteners
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