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)
08/1981
08/25/1981US4285692 Spray drying mixtures of liquids or pastes, homogeneous dispersions
08/25/1981CA1107888A1 High purity polymeric water-soluble colorants and their production
08/25/1981CA1107878A1 Dispersion of particulates in polar organic solvents
08/25/1981CA1107458A1 Phthalocyanine pigment compostion
08/19/1981EP0033913A2 Process for the production of pigment preparations, and their use
08/18/1981CA1107004A1 Process for the production of a pigment composition
08/12/1981EP0033719A2 Liquid preparation of an anionic disazo dyestuff, process for its preparation, and use
08/11/1981US4283195 Alkylnaphthalenesulfonic acid formaldehyde condensate
08/05/1981EP0033297A1 Stable disperse dyestuff and its use for the dyeing of synthetic and half-synthetic fibres
08/05/1981EP0033296A1 Stable disperse dyestuff and its use for the dyeing of synthetic or half-synthetic fibres
08/05/1981EP0033213A2 Pigment dispersions containing copolymer pigment dispersants and methods of grinding pigment dispersions
08/04/1981US4282000 Dyestuff solutions, their preparation and their use for dyeing paper
08/04/1981US4281999 Dispersant, ketone resin
07/1981
07/28/1981US4280960 Polyether- phosphonates useful as emulsifiers and dispersants
07/28/1981US4280814 Dyeing process and compositions
07/28/1981US4280813 Animal tattooing paste and method of making the same
07/21/1981US4279615 Process and agent for the coloring of textiles of polyester fibers
07/15/1981EP0032109A1 Colour-fast dispersion dyestuff and its use in dyeing and printing synthetic or semi-synthetic fibrous materials
07/14/1981US4278601 Process for conditioning phthalocyanine pigment
07/14/1981CA1104757A1 Mixtures of azo compounds, process for their preparation and their use
07/08/1981EP0031478A1 Colour-fast monoazo dyestuff, its preparation and use
07/07/1981US4277288 Fluidized granulation of pigments using organic granulating assistant
06/1981
06/30/1981US4276207 Pigment agglomerate coloring system
06/30/1981CA1104029A1 Solids dispersions which can be easily distributed in hydrophobic and hydrophilic media and are stable to flocculation, and their use
06/23/1981US4274831 Process for dyeing or printing synthetic fiber materials by means of disperse dyes, and colorant compositions utilizable for this purpose
06/23/1981CA1103834A1 Process for dyeing linear polyesters in the melt
06/23/1981CA1103831A1 Process for producing pigmented resin particles
06/17/1981EP0030337A2 Monoazo dyestuffs, process for their preparation, and their concentrated solutions
06/17/1981EP0030291A2 Colour-fast modification of a dispersion azo dyestuff, process for its preparation and its use
06/17/1981EP0030278A2 A process for the preparation of water insoluble organic dyestuffs
06/16/1981USRE30650 Dispersing and stabilizing agents for dyestuffs
06/16/1981CA1102964A1 Storage-stable quaternary styryl dye solutions
06/10/1981EP0029960A1 Concentrated aqueous preparations of reactive dyestuffs free of solvents, and process for their preparation
06/10/1981EP0029959A2 Liquid crystalline phase of a reactive azo dyestuff and its use in dyeing and printing natural and synthetic substrates
06/10/1981EP0029958A2 Liquid crystalline phase of a reactive azo dyestuff and its use in dyeing and printing natural and synthetic substrates
06/09/1981US4272298 Process for conditioning a pigment in liquid ammonia
06/02/1981US4271301 Preparation of pigmentary form isoindoline
06/02/1981US4270917 Stabilized aqueous dyestuff dispersions
06/02/1981US4270916 Adding surfactant to improve compatibility of cationic dyes with anionic polymers
06/02/1981CA1102334A1 Process for converting premilled quinacridone to pigmentary form
05/1981
05/26/1981US4269760 Surfaces of cationic or anionic polymers formed by suspension polymerization covered by ionically-bonded dispersants to effect a stabilization; color/black/; printing/mechanical
05/26/1981US4269068 Ultrasonic couplant compositions and method for employing same
05/26/1981US4268972 Thin layer contact drier
05/26/1981CA1101772A1 Reusable radiation monitor
05/20/1981EP0029009A1 Preparation of pigments
05/19/1981US4268605 Stabilization of organic substrate materials including photographic dye images against the action of light
05/19/1981US4268265 Natural dyestuffs for gelatine capsules
05/19/1981CA1101154A1 Disperse azo dyestuffs
05/14/1981WO1981001294A1 Pigment modifier for improving definition,and process for producing pigment
05/13/1981EP0028445A2 Acridinones, their preparation and use; intermediates and their preparation
05/13/1981EP0028379A1 Granules of water-soluble dyestuffs, process for their preparation and their use in dyeing
05/13/1981EP0028342A2 Use of polyoxyalkyl esters as preparatory agents for dyestuffs and corresponding dyestuff preparations
05/12/1981US4267093 Aqueous suspension of inorganic oxidic material
05/12/1981US4266939 Composition of 4-amino-4'-nitrostilbene-2,2'-disulphonic acid diazo compounds and coloring process
05/05/1981US4265631 Aminoplast precondensate, ethylene oxide copolymer, printing paste
05/05/1981CA1100254A1 Enhancing solvent barrier property of pigmented polymeric bodies
04/1981
04/29/1981EP0027637A1 Process for the isolation of sulfur dyestuffs from aqueous crude smelts containing sodium polysulfides, as well as the isolated sulfur dyestuffs
04/28/1981US4264552 In a fluidized bed process using a granulating assistant and water
04/28/1981US4264496 Where the anion is an acid anion; for coloring or printing acrylic fibers
04/28/1981US4264323 Containing an anionic dispersing agent
04/28/1981US4264322 Dyes dispersed in two gel phases
04/28/1981CA1099910A1 U.v. absorbing compositions
04/21/1981US4262851 High speed milling without surfactants
04/15/1981EP0026974A1 Aqueous dispersions of colouring materials and the derived print pastes
04/15/1981EP0026886A2 Concentrated preparations of dyestuffs
04/08/1981EP0026489A2 Constituent granules of water-soluble dyestuffs, process for their preparation and their use in dyeing
04/08/1981EP0026314A1 Phenol formaldehyde condensates, their preparation and use as dispersing agents, liquefiers, and tanning agents
04/07/1981US4260424 Method for preparing a pigment composition
04/07/1981US4260391 Lithium salt formation, dyeing (regenerated) cellulose
04/01/1981EP0025998A1 Polyether polyamines, their salts and their application
04/01/1981EP0025993A1 Fibroin-coated pigment and processes for producing same
03/1981
03/31/1981CA1098259A1 Preparation of stable dispersions of bis- triazinylaminostilbene-disulphonic acids
03/31/1981CA1098256A1 Pigment compositions
03/25/1981EP0025679A2 Multicolor coating system, process for producing it, process using it to achieve a multicolor pattern on a surface, and articles having such multicolor patterns
03/24/1981US4258190 By reacting cyclohexanone and an oxalate ester to form a cyclohexanonecarboxylate intermediate
03/24/1981US4257951 Two-step milling process for preparing pigmentary copper phthalocyanine
03/24/1981US4257770 Mixture of reactive dyes for cellulose fibers
03/17/1981US4256507 Pigment formulations
03/17/1981CA1097619A1 Solvent dyes
03/17/1981CA1097618A1 Modification of a disazo pigment
03/11/1981EP0025008A1 Process for dyeing linear polyesters in the melt with perylene-tetracarboxylic acid-bis-methyl imide, and linear polyesters
03/11/1981EP0024892A1 Process for preparing quinacridonequinone
03/11/1981EP0024731A1 A photostable anthocyanic colorant composition and its use in a food composition
03/11/1981EP0024667A2 Process for the manufacture of fluid dyestuff preparations, and their use
03/11/1981EP0024655A2 Granules of metal complex dyestuffs and process for their preparation
03/11/1981EP0024654A1 Granules of fibre-reactive dyestuffs and process for their preparation
03/11/1981EP0024609A1 Process for the preparation of concentrated solutions of metal complex dyestuffs free from sulfonic groups
03/10/1981US4255375 Process for the preparation of dustless, readily-dispersible pigment or dyestuff granules
03/10/1981US4255203 Comprising an organic pigment and an aryl bisurea derivative; printing inks; paints; gloss; color intensity, and fluid flow
03/03/1981US4254195 Stabilization of organic substrate materials including photographic dye images against the action of light
03/03/1981US4253839 Process for the fine distribution of pigments of the dioxazine series
03/03/1981CA1096712A1 Pigment compositions and methods of preparation
02/1981
02/25/1981EP0024112A1 Method for the separation and isolation of conjugated and unconjugated bilirubin, isolated conjugated bilirubin, and reference composition containing same
02/24/1981US4252533 Mercapto compounds as reducing agents
02/17/1981US4251441 Pigments of mixtures of methoxynitrobenzene-azo-methoxy-acetanilides
02/17/1981CA1095902A1 Process for the production of azo pigments
02/17/1981CA1095659A1 Process for the pad-dyeing and printing of textile material made from mixed fibres of cellulose and polyester
02/11/1981EP0023886A1 Pigment preparations, process for their production and their use
02/11/1981EP0023734A1 Organic thixotropic dyestuff preparation for sublimation transfer printing, process for its production, printing inks containing this preparation and their use, and the textiles or the transfer sheets printed with these inks
02/11/1981EP0023638A1 Dustproof dyestuffs or dyestuff compositions