Patents
Patents for C09B 67 - Influencing the physical, e.g. the dyeing or printing, properties of dyestuffs without chemical reaction, e.g. by treating with solvents; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films (19,338)
12/1988
12/21/1988EP0296111A2 Organic pigments coated with metal oxides
12/21/1988EP0296107A2 Organic pigments coated with reticulated ethyl cellulose
12/21/1988EP0296106A2 Organic pigments coated with metal oxides fixed by ethyl cellulose
12/20/1988CA1246808A1 Yellow disperse dyestuff mixtures and dyeing process
12/20/1988CA1246806A1 Pearlescent dispersion with good flow properties and a low surfactant content
12/15/1988WO1988009807A2 A mixture of organic pigments with alchidical or phenolic resins for painting colours, technical drawings, heliography and similar
12/14/1988EP0294461A1 Solid particle dispersion filter dyes for photographic compositions.
12/13/1988US4791204 1,4-diketopyrrolo[3,4-c]pyrrole pigments
12/07/1988EP0293807A2 Solid formulation of anionic dyes
12/07/1988EP0293712A2 Process for the preparation of 4,4'-diamino-1,1'-dianthraquinonyl pigments
12/06/1988US4789739 Recrystallizing agglomerated crude in heterogeneous aqueous aliphatic ketone phase
12/06/1988US4789404 Precipitation with mineral acid from emulsion containing alkali metal hydroxide, resin, oil or varnish, fatty acid and water
11/1988
11/30/1988EP0293093A2 Azo Compound
11/30/1988EP0292702A1 Composition containing dispersed pigment
11/29/1988US4788232 Conjugated diene polymer, pigment and naphthenic dispersing extender oil mixed; bottles, sheets
11/23/1988CN87103342A Dispersing nitrided and azo dye from yellow to orange
11/22/1988US4786749 Carboxyl-terminated lactone acrylates
11/22/1988US4786327 Dye preparation for thermal ink-jet printheads using ion exchange
11/22/1988US4785999 Process for producing ground crude pigment
11/22/1988CA1245044A1 Anionic siliconates of silylorganocarboxylates, sulfonates and phosphonates to reduce viscosities of particulate slurries
11/17/1988EP0290727A2 Pigments paste compositions, process for their preparation and their use
11/15/1988US4785091 Process for producing copper phthalocyanine pigment
11/15/1988US4785088 Pigments and their preparation
11/15/1988US4785083 Mixtures of 1-N-C3-7 alkyl-5-(4'-chloro-2'nitrophenylozo)-3-cyano-6-hydroxy-4-methylpyrid-2-one compounds
11/15/1988US4785082 Process for preparing a highly concentrated aqueous press cakes of an azo disperse dye from dilute aqueous suspension thereof wherein surfactant is added before the dye is isolated
11/15/1988US4784905 Supported thermofusible ink layer comprising a coloring agent, image gradation control agent and carrier in a fine porous resin; hectography
11/08/1988US4783540 Solid solutions of pyrrolo-(3,4-C)-pyrrols
11/08/1988US4783393 Dye mixtures and optical recording elements containing same
11/08/1988US4783196 Chromogens
11/08/1988US4783195 Process for the preparation of a concentrated aqueous reactive dyestuff solution: triphenyl-dioxazine dyes, lithium salts
11/03/1988WO1988008300A1 Multiwall polymeric microcapsules
11/02/1988EP0288515A1 Quaternized nitrogen containing compounds.
11/01/1988CA1244025A1 Pigment dispersants
11/01/1988CA1244010A1 Azo dyestuffs
11/01/1988CA1243804A1 Process for preventing the gelation of concentrated aqueous photoactivator solutions
10/1988
10/26/1988EP0288434A1 Process for the manufacture of concentrated aqueous dye preparations
10/26/1988CN88100593A Improvements in or relating to organic compounds
10/26/1988CN87102691A Producing process for preparing dye diffuser from lignin in pulp waste liq. of nonwoody plant
10/25/1988US4780533 Disazo pigments having improved heat resistance using lower alkyl and phenyl esters of acetoacetanilide
10/25/1988US4780422 Dyed inorganic composite particles and process for production thereof
10/25/1988US4780104 Reactive dye-containing aqueous liquid composition
10/25/1988CA1243669A1 Reactive colorants
10/19/1988EP0287515A1 Process for the manufacture of concentrated aqueous solutions of water-soluble organic dyes
10/19/1988EP0286971A2 Cationic diaza cyanine dyes
10/19/1988EP0286850A1 Method for preventing an organic colored substance from fading by light, stabilized colored compositions and photographic elements and materials
10/18/1988US4778622 For polyester fibers; synergistic effect
10/18/1988US4778603 Membrane separation
10/12/1988EP0285965A2 Mixed phthalo-naphthalocyanines and thin radiations sensitive coating film containing same
10/12/1988EP0285713A1 Direct process for the production of printing inks
10/11/1988US4777251 Process for preparing oxytitanium phthalocyanine
10/06/1988WO1988007538A1 Ferrocene derivatives and process for preparing thin organic film
10/06/1988DE3709909A1 Process for producing an additive for concrete paints
10/04/1988US4775748 Reactive colorants
09/1988
09/27/1988US4773937 Triarylmethane dye, alkyd resin
09/27/1988US4773936 Ion exchangers, dyes, substrates
09/27/1988US4773915 Benzisothiazole azo dye for synthetic fibers
09/27/1988US4773913 Methyl methacrylate, methyl acrylate and aminoalkyl acrylate or acrylamide copolymers
09/24/1988WO1998041582A1 Water-soluble quinacridones
09/21/1988EP0282855A2 Pigment preparations
09/20/1988US4772331 Flaky colored pigments, methods for their production, and their use in cosmetic compositions
09/20/1988US4772292 Mixture of yellow disperse dyestuffs containing pyridone disazo dye
09/20/1988US4772291 Process for the preparation of densely colored pellet for synthetic resins
09/15/1988DE3805623A1 Dye mixtures for dyeing wool or wool/nylon fibre blends
09/15/1988DE3713618C1 Process for the preparation of colour-stable solutions of azo dyes
09/15/1988DE3713617C1 Process for the preparation of liquid formulations of basic azo dyes
09/13/1988US4771133 Phthalocyanine treatment process
09/13/1988US4771005 Reagents, test kits and methods for the detection of cannabinoids
09/13/1988CA1241838A1 Chromogenic mixtures
09/06/1988US4769460 Mix-crystal pigments based on perylenetetracarbimides, process for preparing and their use
09/06/1988US4769449 Red mono-azo water-soluble dye containing cyano, amide and amino substituents
09/06/1988US4769079 Insoluble pigments and preparation thereof
09/01/1988DE3715649A1 Loesungsmittel fuer das chromogene farbstoffvorlaeufermaterial eines druckempfindlichen aufzeichnungspapierblatts und druckempfindliches aufzeichnungspapierblatt, hergestellt unter verwendung des loesungsmittels Solvent for the chromogenic farbstoffvorlaeufermaterial a pressure-sensitive recording paper sheet and pressure-sensitive recording paper prepared by using the solvent
08/1988
08/31/1988EP0280520A2 Phthalocyanine treatment process
08/31/1988CN87100778A Azoic diphenylamine yellow dispersing dye
08/30/1988US4767844 Coupling diazo component having sulfonic acid group with a mixture of 2-hydroxy-3-naphthoic acid and the amide derivatives thereof
08/30/1988US4767807 Coloring agent for dope-dyeing viscose rayon
08/30/1988US4767573 Process for the preparation of a mixture of 1-amino-2-chloro-4-hydroxyanthraquinone and 1-amino-2-bromo-4-hydroxyanthraquinone
08/30/1988US4767465 Pigment composition
08/30/1988US4767421 Method of manufacturing a water-insoluble dye layer on a substrate and substrate comprising a dye layer of a cationic dye or an anionic dye ion exchanged with an opposite ion
08/25/1988WO1988006175A1 Substituted phthalocyanines
08/25/1988DE3804700A1 Fluessige farbstoff-zubereitung Liquid dye preparation
08/24/1988EP0279272A2 Mixtures of monoazo dyes
08/23/1988US4765841 Process for the preparation of an organic pigment dispersion
08/23/1988US4765797 Safeguarding color intensity and shade uniformity for dyeing textile fibers
08/23/1988CA1240807A1 Copper phthalocyanine pigment systems
08/17/1988EP0278913A2 Material compositions based on metallic-complex pigments, and compounds
08/17/1988EP0278633A2 Colored micaceous pigments
08/17/1988EP0278320A2 Process for the manufacture of an aqueous, concentrated solution of a reactive dye
08/17/1988EP0278299A2 Process for the preparation of a concentrated aqueous solution of a reactive dye
08/16/1988US4764217 Novel compositions based on isoindoline pigments
08/10/1988EP0277914A2 Solid solutions of pyrrolo-[3,4-c]-pyrroles with quinacridones
08/10/1988EP0277624A2 A composition comprising the addition product of a vinyl sulfone dye and a secondary amine and process for dyeing a polyamide therewith
08/10/1988EP0277529A2 Mixtures of monoazo dyes
08/09/1988US4762569 Diimide compound
08/09/1988US4762568 Phosphoric ester of a polyester as dispersant
08/09/1988US4762524 Composition comprising the addition product of a vinyl-sulfone dye and a secondary amine and process for dyeing a polyamide therewith
08/09/1988US4762523 Permanently non-dusting pigment and dye preparations, method for producing them, and measuring device therefore
08/03/1988EP0276534A1 Process for the preparation of concentrated anionic red dye solutions
08/02/1988US4761181 Stabilizing dyes with a dithiolato metal complex
07/1988
07/28/1988DE3801546A1 Optical information-recording medium, and process for the production thereof