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)
01/1992
01/28/1992US5084068 Dyes for textiles, cellulose, cotton, leather and paper
01/28/1992CA1295074C Soft textured high strength alkali blue pigment
01/24/1992WO1992001776A1 Microemulsified silicones in liquid fabric care compositions containing dye
01/24/1992CA2087984A1 Microemulsified silicones in liquid fabric care compositions containing dye
01/23/1992DE4022848A1 Haarfaerbemittel-zubereitung Hair dye preparation
01/23/1992DE4022847A1 Oxidn. dye compsn. with good rheological properties - contains oxidn. dye precursor in aq. gel carrier contg. water soluble soap of petro-selenic, elaidic, gadolinic or brassidic acid
01/22/1992EP0467747A1 New crystals of radical lithium phthalocyanine, process for the preparation thereof and their use for "in vivo" determination of molecular oxygen
01/22/1992EP0467026A1 Hair dyeing composition and its use
01/21/1992US5082539 Surfactants, dye solubilizers
01/21/1992US5082498 Highly concentrated solid pigment formulations
01/19/1992WO1992001438A1 Hair dyeing composition
01/19/1992CA2087544A1 Hair dyeing composition
01/15/1992EP0466649A1 2,9-Dichlorochinacridon in platelet form
01/15/1992EP0466646A1 Process for distortion-free pigmentation of polyolefins
01/14/1992US5080688 Colored plastic lens reducing visual noise for VDT viewers
01/09/1992WO1992000356A1 Thermally stable crystal modification of dye and production thereof
01/09/1992WO1992000355A1 Pigments based on double-layer hydroxides, process for manufacturing the pigments, and their use
01/08/1992EP0465410A1 Perylenetetracarboxylic acid diimides with longchain alkanoylamino residues
01/08/1992CN1057595A Dispersant
01/07/1992US5079016 Color-stabilized carotenoid pigment compositions and foods colored therewith having increased resistance to oxidative color fading
01/07/1992US5078794 Desulfonation of the corresponding disulfonic acid compound, treatment with organic solvent, purity, intensity, coloring paints and plastics, red
01/02/1992EP0463737A2 Use of ink formulations comprising mixtures of anionic waterfast dyes containing two or more carboxyl groups in thermal ink-jet printers to reduce nozzle clogging of the printer
01/02/1992EP0463401A2 Dispersant agent
01/02/1992EP0463260A1 Fluorescent pigments
01/02/1992DE4020272A1 Pigmente auf basis von doppelschicht-hydroxiden, verfahren zu deren herstellung sowie deren verwendung Pigments based on double-layer hydroxides, processes for their preparation and their use
12/1991
12/28/1991CA2045331A1 Perylenetetracarboxylic acid diimides containing long-chain alkanoylamino radicals
12/27/1991EP0462857A1 Dyeing composition containing 5-6 dihydroxyindolines and keratinous fibres dyeing process
12/27/1991EP0462557A2 Colorant compositions
12/27/1991EP0462453A2 Preparation of reactive dyes
12/27/1991EP0462262A1 Copolymerized methine colorant-polyester color concentrates
12/26/1991CA2026161A1 Fluorescent pigments
12/24/1991US5074918 Process for conditioning organic pigments
12/24/1991US5074917 Novel oxide/dye pigmentary colorants
12/24/1991US5074887 Aqueous dye preparations: water-insoluble dye, anionic dispersant, lactate, glycerol or propylene glycol, polymer and betaine
12/23/1991CA2038599A1 Ink formulations by mixing anionic waterfast dyes containing two or more carboxyl groups
12/18/1991EP0461523A1 Photoconductive imaging members with titanium phthalocyanine
12/18/1991EP0256417B1 New coloured and colourless thin fillerpigment and the method for preparation thereof
12/17/1991US5073295 Coated with block copolymer of ethylene oxide and propylene oxide, ethoxylated stearyldiphenyloxyethyl diethylenetriamine; wear resistant, free-flowing, dustless
12/11/1991EP0460615A1 Electrophotographic recording elements containing a combination of titanyl phthalocyanine-type pigments
12/11/1991EP0460565A2 Titanium phthalocyanines and processes for the preparation thereof
12/11/1991EP0460504A1 Dichroic azo dyes
12/11/1991EP0460483A1 Large scale, non-chromatographic purification of chromogenic cryptahemispherands (1.1) and (2.1)
12/11/1991EP0459986A1 Marine dye composition
12/11/1991CN1056874A Tinctorial composition of 5,6-dihydroxyindole and dyeing method of keratose fibre
12/10/1991US5072016 Di(cyanostyryl) benzene from terephthalaldehyde
12/10/1991US5071573 Microemulsified silicones in liquid fabric care compositions containing dye
12/10/1991US5071483 Process for the preparation of pigment preparations of the anthanthrone series
12/10/1991US5071482 Containing an antiflocculant additive
12/10/1991US5071443 Blue azo dyestuff mixture for strong blue color on hydrophobic fibers
12/10/1991US5071442 Process for dyeing or printing cellulosic textile fibre material by the trichromatic technique: reactive dyes
12/05/1991CA2037281A1 Large scale, non-chromatographic purification of chromogenic cryptahemispherands (1.1) and (2.1)
12/04/1991EP0459281A2 Method for making a microencapsulated liquid crystal
12/03/1991US5070159 Addition compounds, a process for the preparation, and their use, based on epoxy novolac-fatty amine adducts
12/03/1991US5069682 Orange shades on polyesters
12/01/1991CA2043672A1 Tinctorial composition containing 5,6-dihydroxyindolin derivatives and process for dyeing keratinic fibers
11/1991
11/28/1991WO1991018058A1 Color-stabilized carotenoid pigment compositions and foods colored therewith
11/27/1991EP0458152A1 Dyestuff mixtures
11/27/1991EP0457777A1 Process for dyeing and printing blended fabrics made from polyester and natural fibre materials.
11/26/1991WO1991018950A1 Dye composition and optical recording medium
11/26/1991CA2063579A1 Dye-incorporated composition and optical recording medium
11/25/1991CA2042918A1 Dyestuff mixtures
11/21/1991EP0457728A1 Process for dyeing cellulosic fibres without tailing
11/21/1991EP0457721A1 NIR-absorbant dyes
11/21/1991EP0457715A2 Reactive dyes packed in polyvinylalcohol envelopes
11/21/1991EP0457290A1 Process for the preparation of aqueous pigment pastes with low solvent content, the obtained pigment pastes and their use
11/19/1991US5066687 Powdered azo pigments with improved rheological properties, process for their preparation and their use
11/19/1991US5066309 Liquid metal complex dye preparations, process for their preparation and their use
11/19/1991CA1292222C Separation and purification of pigment suspensions and suspensions of pigment intermediates by a membrane separation process
11/17/1991CA2042669A1 Color-stabilized carotenoid pigment compositions and foods colored therewith having increased resistance to oxidative color fading
11/17/1991CA2042134A1 Low-solvent aqueous pigment paste, a method of manufacturing it, and use thereof
11/14/1991DE4114863A1 Pigment paste prepn. - comprises aryl-para-rosaniline:sulphonic acid, polyester-based oily alkyd resin, hydrocarbon resin, flush-aiding component etc.
11/14/1991DE4015183A1 Solid dyestuff formulation contg. alkane-di:ol as duct inhibitor - and used for dyeing
11/13/1991EP0456610A1 A process for the manufacture of pigments
11/12/1991WO1991018059A1 Low-dust or dust-free dye preparations
11/12/1991US5064955 Solvent extraction, filtration, sodium-free
11/06/1991EP0455425A1 Preparation of concentrates of colouring agents
11/06/1991EP0455266A1 Dye for denim cotton yarns
11/05/1991US5062894 Poly (alkylene oxide)-modified diarylide pigment composition
11/05/1991US5062893 Ink formulations by mixing anionic waterfast dyes containing two or more carboxyl groups
11/05/1991US5062861 Novel navy and black disperse dye mixtures including amino-phenyl thiophene azo disperse dye and red, yellow or orange disperse dyes
10/1991
10/31/1991WO1991013931A3 Process for manufacturing pigment concentrates
10/29/1991US5061003 Cover for automobile sun visor mirrors
10/29/1991CA1291477C Composition comprising the addition product of a vinyl-sulfone dye and a secondary amine and process for dyeing a polyamide therewith
10/23/1991EP0294461B1 Solid particle dispersion filter dyes for photographic compositions
10/22/1991US5059681 Bis-azotriazinyl reactive dyes having an n-alkyl-phenylenediamine link
10/22/1991US5059355 Process for preparation of crystalline oxytitanium phthalocyanine
10/22/1991US5059249 Process for dispersing organic pigments with ultrasonic radiation
10/22/1991US5059248 Stable, fluid, aqueous pigment dispersions for use in film coating tablets and the like
10/16/1991EP0452258A2 Preparation of beta copper phthalocyanine in pigmentary form
10/15/1991US5057609 Triphendioxazine dyestuffs
10/09/1991EP0451094A1 Process for the production of pigments
10/09/1991EP0451092A2 Concentrated dyestuff solutions
10/09/1991EP0450434A2 Marine blue dyestuff mixtures
10/08/1991US5055602 Tinting contact lenses blue
10/08/1991US5055580 Substituted polycylic derivatives of the 9-oxo-1,9a,10-triaza-9-hydroanthracene and method for coloring of native or synthetic materials
10/08/1991US5055564 Modified crystalline monoazo lake pigment
10/08/1991US5055500 Process for treating pigments
10/08/1991US5055368 Electrophotographic recording elements containing titanyl phthalocyanine pigments and their preparation
10/08/1991CA1290106C Liquid fabric softener
10/08/1991CA1290104C Process for the trichromatic dyeing of leather