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7387672 Oxidation-stable iron oxide pigments, process for preparing them and their use  
The present invention relates to oxidation-stable iron oxide pigments which have a coating of at least one organic substance, to their preparation and to their use.
7341626 Pigment compositions consisting of organic and inorganic pigments  
A pigment composition containing one or more, organic yellow pigments selected from the group C.I. Pigment Yellow (213), Pigment Yellow (214) and disazo pigment of the formula (I) and...
7261770 Compositions and methods comprising pigments and polyprotic dispersing agents  
In various embodiments, a pigment composition is provided comprising a base particle and a dispersing agent, the dispersing agent comprising a salt and/or ester of: (i) an amine, alcohol, and/or...
7138010 Amino phosphoryl treated titanium dioxide  
The invention is a pigment comprising titanium dioxide and an amino phosphoryl compound. The pigment of the invention imparts improved physical qualities, such as improved lacing resistance and...
6911116 Cationically modified white pigments, their production and use  
Cationically modified white pigments (W) in particulate form, essentially consisting of a particulate inorganic white pigment (M) of a particle size in the range of 0,1 to 40 μm and an applied...
6811601 Pigment preparations comprising alkoxylated polyethylenimine  
Pigment preparations comprising A) at least one organic or inorganic pigment and B) at least one ethoxylated and propoxylated and/or butoxylated polyethyleneimine.
6784231 Pigment, method for producing pigment, pigment dispersion, and electrostatic image developing powder toner  
A pigment having weak dispersion force to be readily dispersed in a medium to be colored from which an excellent yellow image having superior transparency can be produced. The pigment includes a...
6736892 Pigment dispersions containing styrenated and sulfated phenol alkoxylates  
The present invention provides sulfated and carboxymethylated surfactants and dispersants produced by reacting a styrenated phenol alkoxylate with sulfamic acid and then neutralizing with a base...
6663851 Surface-modified titanium dioxide  
A product obtained by treating surface-modified, pyrogenically produced titanium dioxide with at least one ammonium-functional silane, such as by spraying the pyrogenically produced titanium...
6638349 Surface treatments for pigments providing improved dispersibility and exhibiting biocidal activity  
A composition consisting of the reaction product of a halogenated carboxylic acid, an amine, and optionally a fatty acid. The composition has biocidal properties and enhances pigment dispersibility.
6558464 Very high solids TiO2 slurries  
The present invention discloses high solids slurries of anatase titanium dioxide pigment comprising greater than about 75% by weight of anatase TiO 2 pigment dispersed in water. A process for...
6521038 Near-infrared reflecting composite pigments  
A near-infrared reflecting composite pigment comprises a near-infrared non-absorbing colorant and a white pigment coated with the near-infrared non-absorbing pigment. The near-infrared reflecting...
6471762 Bonded metal-hydroxide-organic composite polymer films on lamellar pigments  
Colored lustrous pigments of superior quality are prepared by dry blending a platy substrate such as a metal oxide-coated mica nacreous pigment and a hydrophobic colorant at low shear. The...
6444313 Thermochromic acrylic synthetic fiber, its processed article, and process for producing thermochromic acrylic synthetic fiber  
A thermochromic acrylic synthetic fiber comprising an acrylonitrile polymer in which a thermochromic pigment composition with an average particle diameter of from 0.5 μm to 30 μm is dispersedly...
6420437 Titanium oxide colloidal sol and process for the preparation thereof  
A neutral titanium dioxide colloid sol having a high stability in a neutral range and capable of forming a colorless transparent coating even when dried at room temperature is produced by mixing an...
6409815 Surface-modified conductive pigment  
Surface-modified conductive pigment obtainable by partial coating of a conductive pigment with an organic modifying agent. The modifying agent is an organometallic compound of the elements silicon,...
6348092 Surface treatments for pigments providing improved dispersibility and exhibiting biocidal activity  
A composition consisting of the reaction product of a halogenated carboxylic acid, an amine, and optionally a fatty acid. The composition has biocidal properties and enhances pigment dispersibility.
6336966 Pigment dispersions containing dispersants having core and arm star architecture prepared by controlled radical polymerization  
A pigment dispersion comprising pigment, an aqueous carrier selected from water and a mixture of water and at least one organic solvent, and a pigment dispersant is described. The pigment...
6231662 Surface treatments for titanium dioxide and other industrial pigments  
An additive for enhancing the performance of industrial pigments. The additive improves dispersibility and is the reaction product of an amine, a fatty amine, and a polybasic acid.
6197104 Very high solids TiO2 slurries  
The present invention discloses high solids slurries of anatase titanium dioxide pigment comprising greater than about 75% by weight of anatase TiO 2 pigment dispersed in water. A process for...
6176918 Modified nacreous luster pigments for water paint systems  
Modified pearl luster pigments for waterborn coating systems, based on a platelet-form substrate coated with metal oxides and, located on the topmost metal oxide layer, a top layer consisting of at...
6139617 Titanium dioxide pigments  
There are provided titanium dioxide pigments characterized by improved gloss developing and dispersibility properties in surface coating vehicles and reduced dispersant requirements. Said titanium...
6139610 Hybrid pigment grade corrosion inhibitor compositions and procedures  
A corrosion-inhibiting composition for application to a metal substrate, such as steel, silver, copper or aluminum, includes a film-forming organic polymer component and a dispersed pigment phase...
6129786 Composite pigments based on polyalkylenepolyamine-modified nanoparticulate metal oxides and anionic dyes  
Composite pigments based on nanoparticulate metal oxides modified by crosslinked or uncrosslinked polyalkylenepolyamine and anionic dyes are useful for coloring paints, inks, plastic, paper, wood,...
6123763 Pigment dispersing agent and pigment composition containing the same  
A colorless or only slightly colored pigment dispersing agent which is feasible as a pigment dispersing agent for pigments having various hues and has the general formula (1), ##STR1## wherein R 1...
6123762 Low-dust, well dispersible granulates based on silicate fillers modified with organosilicon compounds  
The invention relates to granulates based on silicate fillers, the surface of which was modified with organosilicon compounds, a process for manufacturing the granulates by spraying a suspension of...
6103360 High light reflectance and durable ceiling board coating  
A ceiling board coating composition includes water, a binder and a filler, said filler having large particles with an average particle size of a minimum of about 50 microns, medium particles with...
6068688 Particle having an attached stable free radical and methods of making the same  
A modified particle is disclosed wherein a particle has an attached group having the formula: ##STR1## wherein Ar represents an aromatic group; R 1 represents a bond, an arylene group, an alkylene...
6063182 Stir-in pigment compositions  
A stir-in pigment composition for coloring high-molecular-weight material, particularly coatings and ink systems, comprises 85 to 99.5 parts by weight of a pigment and 0.5 to 15 parts by weight of...
6022404 Surface-modified, pyrogenically produced mixed oxides, method of their production and use  
Surface-modified, pyrogenically produced mixed oxides which contain two or more components of the series SiO 2 , Al 2 O 3 , TiO 2 , ZrO 2 , Fe 2 O 3 , Nb 2 O 5 , V 2 O 5 , WO 3 , SnO 2 , GeO 2 ...
5910213 Treated titanium dioxide  
A pigmentary material comprises particulate titanium dioxide the particles of which have been treated with a polymeric hindered amine stabiliser. The stabiliser is a polymer having a main chain...
5908498 Process for preparing an improved low-dusting, free-flowing pigment  
A process for preparing a low-dusting, free-flowing pigment which has not been subjected to any micronizing treatment comprising the steps of providing an inorganic pigment material; providing a...
5855662 Aqueous pigment preparations  
Aqueous pigment preparations comprising a) 10 to 80% by weight, in particular 20 to 60% by weight, of a pigment, b) 0.1 to 20% by weight, in particular 0.1 to 15% by weight, of an...
5837045 Colored pigment and aqueous compositions containing same  
A surface-modified colored pigment is disclosed which includes a colored pigment having no primary amines and at least one attached hydrophilic organic group, wherein said organic group comprises...
5705033 Paper/paper laminate-opacifying TiO.sub.2 particulates  
Unique titanium dioxide (TiO 2 ) particulates have an especially high physicochemical affinity for cellulosic fibers and, thus, are well suited as opacifying pigments for paper and paper laminates,...
5676748 Bulking and opacifying fillers for paper and paper board  
A method for producing bulking and opacifying kaolin fillers for filling cellulosic products is disclosed. An aqueous slurry of anionically dispersed kaolin particles is formed at 1 to 30% solids....
5676747 Calcium carbonate pigments for coating paper and paper board  
A method for producing structured calcium carbonate pigments for coating paper is disclosed. An aqueous slurry of anionically dispersed calcium carbonate particles is formed at 1 to 30 percent...
5676746 Agglomerates for use in making cellulosic products  
A process is provided for the selective aggregation of the fine and ultrafine particles present in an anionically or cationically dispersed mineral pigment slurry, such that an aggregated structure...
5653795 Bulking and opacifying fillers for cellulosic products  
A method is disclosed for producing bulking and opacifying pigments for filling paper by the selective aggregation of fine particles in an anionically or cationically dispersed slurry, such that an...
5650003 Cationized pigments and their use in papermaking  
A pigment composition containing titanium dioxide (TiO 2 ) and calcined clay in a weight ratio of between about 30:70 and 70:30, preferably between about 35:65 and 45:55 that is substantially free...
5556641 Light stable color compositions  
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...
5505965 Method of improving the stability of colorant containing particles  
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...
5482640 Aqueous dispersions stabilized from freeze/thaw cycles  
Aqueous dispersions of PTFE and TiO 2 stabilized from the effects of freeze/thaw cycles are disclosed, wherein the stabilizing agents are monohydric alcohols and monoamines having less than five...
5449774 Production of beta form pigmentary copper phthalocyanine  
The present invention provides a process for producing beta-form pigmentary copper phthalocyanine comprising a) producing crude copper phthalocyanine by charging phthalic anhydride or phthalimide,...
5449403 Product based on colored inorganic particles including a melanin pigment, process for its preparation and its use in cosmetics  
A product in the form of colored inorganic particles including one or a number of melanin pigments, a process for its preparation and to its use, especially in the field of cosmetics, for make-up...
5401313 Surface modified particles and method of making the same  
This invention relates to modifying the surface of particles for improved dispersion characteristics in aqueous, solvent, resinous, polymeric, cementitious or the like application systems. In...
5380359 Cosmetics based on naturally derived melanin-coated pigments  
A melanin-coated pigment obtained by coating a carrier with a readily alkali-soluble natural melanin, and a cosmetic containing the pigment are provided. The melanin-coated pigment is highly safe...
5376172 Metal oxide processes and toners thereof  
A process for preparing silane metal oxides comprising reacting a metal oxide with an amine compound to form an amine metal oxide intermediate, and subsequently reacting said intermediate with a...
5336311 Cationic pigments  
This invention relates to structural aggregate pigment products that are cationic, and have improved wet-end retention. A method for converting anionic pigments to cationic pigments is also...
5279664 Dispersing agents for comminuted solids  
A method for dispersing a comminuted solid in an aqueous medium is described. An aqueous dispersing agent is added to an aqueous medium in an amount sufficient to disperse the comminuted solid in...
Matches 1 - 50 out of 148 1 2 3 >