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Matches 51 - 100 out of 320

Document Document Title
WO/2002/024817
Composition comprising (a) from 80 to 99.9 % by weight of an azo pigment (I) where M is Mg, Ca, Sr, Ba, or Mn or a mixture thereof, (b) from 0 to 20 % by weight of an azo pigment (II) (c) from 0 to 20 % by weight of an azo pigment (III) ...  
WO/2002/018497
Disclosed are blue shade red to magenta monoazo pigments which are obtained by diazotization of 5-alkoxy-2-aminobenzenesulfonic acids, coupling of the diazonium compound with a hydroxynaphthalenesulfonic acid and subsequent laking of the...  
WO/2001/059013
The invention relates to a method for the production of azo dyes, characterised in that the diazotisation of aromatic or heteroaromatic amines, or the azo coupling reaction, or the diazotisation and the azo coupling reaction are carried ...  
WO/2001/055262
The present invention relates to new pigments comprising a white-colorless filler and a vegetal lake, optionally stabilized by synthetic UV-filters, more particularly to iron-free pigments, to processes for the preparation of said pigmen...  
WO/2001/055263
The present invention relates to new coated pigments comprising an inner core of colored inorganic pigments and an external coating of vegetal lakes, processes for the preparation of said coated pigments and eudermic cosmetic and make-up...  
WO/2001/042369
An aqueous pigment dispersion containing at least one FD & C and/or D & C pigment dispersed in water and a polysaccharide resin optionally in combination with a styrene-acrylic resin and ethylenediaminetetraacetic acid. The dispersion of...  
WO/2001/036540
In one embodiment, the present invention relates to a green shade yellow pigment composition comprising a compound having formula (I), wherein R¿1? and R¿2? are independently hydrogen, halogen, an alkyl group having 1 to about 4 carbon...  
WO/2001/036541
Disclosed is a yellow monoazo pigment which is obtained by diazotization of anthranilic acid, coupling of the diazonium compound with 1-(3'-sulphophenyl)-3-methyl-5-pyrazolone and subsequent laking of the coupling product to a strontium ...  
WO/2001/025335
Composition comprising (a) from 1 to 20, preferably from 1 to 10 % by weight of a sorbitan ester of formula (I) wherein R¿1? and R¿2?, independently from each other, stand for C¿1?-C¿20?alkyl or C¿2?-C¿20?alkenyl, and (b) from 99 t...  
WO/2000/078872
In one embodiment, the present invention relates to a method of preparing a medium shade yellow pigment composition comprising making an azo pigment by coupling i) two or more diazonium componen ts made from two or more aromatic amines i...  
WO/2000/069981
A color containing silica resistant to dye migration is provided, and, more particularly, such as a silica for use as a colorant in various formulations, particularly dentifrices. The invention also relates to a method of making the colo...  
WO/2000/063341
A process for forming a non-staining colored composite particle suitable for incorporation in a bleach-containing or a non-bleach-containing liquid detergent composition is disclosed. The process includes the steps of forming a colored l...  
WO/2000/063299
The invention concerns a method for fixing on mineral particles of talc, quinone or indole organic molecules, in particular, molecules of an organic dyeing agent. Said method consists in solubilizing the organic molecules in an aqueous r...  
WO/1999/064521
Red shade yellow pigment compositions characterized by formula (1) wherein X is a lower alkyl or a -COOR¿1? group; wherein R¿1? is hydrogen or lower alkyl group; each Y is independently a lower alkyl, lower alkyloxy or halogen group; a...  
WO/1999/054409
Fine particles having a cholesteric liquid crystal thin film layer excellent in visibility for a selectively reflected light. Fine particles covered by a cholesteric liquid crystal are provided by dispersing fine particles for nuclei in ...  
WO/1999/052984
The invention concerns composite compositions of co-structured or co-adsorbed fillers containing at least two different types of mineral or organic fillers or pigments and their use in papermaking, for the mass or the coating or any othe...  
WO/1999/011718
The present invention relates to a method for preparing a stable natural pigment composition comprising combining (a) a liquid hydroalcoholic base containing a natural pigment, a UV absorber, and an antioxidant, with (b) an absorbent bas...  
WO/1998/058027
The present invention relates to a coloured porous material comprising in its pores an effectively colouring amount of an organic pigment which is obtainable by fragmenting a meltable or solvent-soluble pigment precursor, and to a proces...  
WO/1998/056859
The present invention relates to colorant blends comprising (a) an azo component, which is a salt of a salt-forming azo pigment of formula (I): A-N=N-B, wherein A is the residue of a diazo component and B is the residue of a coupling com...  
WO/1998/017728
Novel bisazo compounds prepared by coupling a 2-hydroxynaphthalene-3,6-dicarboxylic acid derivative with a compound having two diazo groups in the molecule at a mole ratio of 2:1; and a process for the preparation thereof. The compounds ...  
WO/1998/016615
Colored particulate compositions comprising an inner core having a color body distributed on a particulate carrier, and two discrete coatings of water-soluble dextrin glue on said inner core. The compositions are useful as speckles in cl...  
WO/1998/013425
Disclosed are compositions comprising one or more compounds characterized by formula (I) wherein R and R�1? are independently hydrogen, chloro, methyl or ethyl groups. A process for preparing azo pigment compositions is also disclosed....  
WO/1998/005718
Disclosed are compositions comprising one or more compounds characterized by formula (I): wherein each R is independently a hydrocarbyl, hydroxy, hydrocarbyloxy, carboxylic acid, carboxylic acid ester, carboxylic acid amide, sulfonic aci...  
WO/1997/045493
Disclosed are compositions comprising one or more compounds characterized by formula (I) wherein X is a hydrocarbyl, carboxylic acid ester, sulfonic acid ester, carboxylic acid amide or sulfonic acid amide group; Y is a hydrocarbyl, halo...  
WO/1997/041235
The present disclosure describes an isolated and purified strain of Bacillus thuringiensis, referred to as Bacillus thuringiensis subsp. oloke that naturally produces a salmon/red-coloured pigment with physical and chemical properties th...  
WO/1997/018267
The present invention is to a process for producing a matrix particle of a colored lake or dye which matrix reduces the leeching or bleeding of the colored lake or dye into the surrounding medium. The present inventive process is particu...  
WO/1997/001607
An aqueous pigment paste suitable for producing offset ink by the flushing process, a process for producing the paste, and an offset ink produced by the flushing process. The paste is composed of 60-90 wt.% of water and 40-10 wt.% of a m...  
WO/1996/028518
An ink for an ink jet printer, characterized by comprising water, a pigment, and a polymeric material which is insoluble or sparingly soluble in water and hydrophilic, the pigment being coated with the polymeric material which is insolub...  
WO/1996/025464
Disclosed are compositions comprising one or more compounds characterized by formula (1) wherein Ar is an aromatic moiety having at least one substituent which is an acid group or salt thereof; X is a hydrocarbyl, carboxylic acid ester, ...  
WO/1996/022333
An azo pyrazolone compound of formula (I), wherein Z represents a substituent selected from Cl, Br, F, NO2, SO2R, CO2R, NHSO2R1 and NHCOR1 in which R and R1 are hydrocarbyl groups and the sulphonic acid group in ring A is in the 3- or 4-...  
WO/1996/022334
An azo pyrazolone compound of formula (1) in the form of a salt, and its use as a pigment.  
WO/1996/013528
A colored metallic pigment composition includes metallic particles which have been treated with a mixture of pigment particles and wax. A polymeric shell is formed on the treated metal particles by means of an organometallic coupling age...  
WO/1996/002595
A granular material is presented involving inorganic particles coated with binder and pigment, said binder comprising a non-silicon containing organic polymeric compound selected from polyalkyl(meth)acrylate or polyvinyl acetate. The inv...  
WO/1995/023191
The invention relates to extended, organic pigments, their method of manufacture and their use in paint formulations, particularly those suitable for road or traffic markings. The subject pigments typically comprise a particulate lithopo...  
WO/1995/023190
The invention relates to a method for the production of pigments having a composite structure. It is characterized in that to a dispersion of core particles a solution containing complex forming or precipitating anions and a solution con...  
WO/1994/018953
An improved dye composition for use in coating tablets and the like is constituted by a stable, aqueous suspension containing a water-soluble, non-toxic dye, an opacifying agent which may be titanium dioxide or iron oxide, an immobilizin...  
WO/1994/018932
A composition comprising colorant-containing particles having a coating comprising propylene glycol and a carrier component selected from the group consisting of carriers suitable for food, drug and cosmetic preparations and mixtures the...  
WO/1993/023482
The preparation of metal oxide particles having a coating of dye, said coating comprising 0.01 to 5 % by weight of the coated particle and the use of such particles in cosmetic and toiletry formulations are described.  
WO/1993/023483
The preparation of metal oxide particles having a dye lake precipitated onto their surface in a dye lake: metal oxide ratio of between 10:90 and 80:20 and the use of such particles in cosmetic and toiletry formulations are described.  
WO/1993/020150
A melanin-coated pigment prepared by coating a carrier with a readily alkali-soluble natural melanin, and a cosmetic containing the pigment. The melanin-coated pigment is highly safe and has an intense and high-saturation color tone, and...  
WO/1993/017966
Crystalline molecular sieves containing one or more chromophores of the indigoid class and their use as colorants.  
WO/1993/017965
Crystalline molecular sieves containing one or more chromophores of the mono or polyazo dye class having no acid groups, and their use as colorants.  
WO/1993/016137
A process for the manufacture of an azo metal salt pigment, wherein a transparent or translucent alkaline aqueous solution of a resin and a dispersant of formula (1) or formula (3) is added to an azo compound, said formula (1) being YCO-...  
WO/1993/015152
Colorant clusters comprising an aggregation of a plurality of grains of sol-derived material and colorant. The clusters are particularly useful as colorants in liquid compositions, e.g., paints and inks, for forming coatings that are ret...  
WO/1993/013743
The product in powder form is characterized in that the particles are non white and coloured with the exception of lamellar iron oxide and have a size of less than 200 microns. A synthetic melanic pigment, formed in situ by the oxidation...  
WO/1993/002145
A mixed coupled azo pigment is described which is prepared from (A) a mixture comprising from about 5 to about 95% by weight of each of two or more diazonium components derived from aromatic amines provided that: (A-1) if one of the arom...  
WO/1992/021726
The invention relates to a pigment having a composite structure. It is characterized in that it comprises a core (1) which has been covered by one or more layers (2) of colorants, which optionally each in their turn have been covered by ...  
WO/1992/010545
The invention concerns surface-modified flake-like substrates, as well as their production from particles coated with organic aluminium compounds. Organic silicon compounds may also be added to the modifying agent. Such substrates are hi...  
WO/1992/000355
The invention concerns water-insoluble pigments based on double-layer hydroxides and water-soluble dyes, the pigments being obtained by reacting double-layer hydroxides formed in situ and water-soluble anionic dyes. The invention also co...  
WO/1991/013941
The invention relates to monoazo and diazo compounds of formula (I) where D stands for a carbocyclic or heterocyclic diazo or bisdiazo constituent group, R?1� and R?2� each independently stand for a possibly substituted aryl or heter...  

Matches 51 - 100 out of 320