Matches 251 - 300 out of 535 < 1 2 3 4 5 6 7 8 9 10 11 >
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5599529 Dispersions  
Dispersions of titanium dioxide in various media have been known but there has been an increasing demand for the use of titanium dioxide as an absorber for UV light while remaining substantially...
5595592 Dye compositions and methods for film coating tablets and the like  
An improved dye composition for use in coating tablets and the like is constituted by a stable, aqueous suspension containing a water-soluble, nontoxic dye, an opacifying agent which may be...
5567754 Pigments with improved dispersibility in thermoplastic resins  
Thermoplastic concentrates comprising inorganic pigments, such as titanium dioxide, treated with a partial ester polyol and unsaturated monocarboxylic acid treating agent, of the formula R(OH) x ...
5562990 Organosilicon treatment of TiO.sub.2 pigment bearing a coating with fluoride ions  
Organosilicon treatment of TiO 2 particles coated with alumina or alumina-silica having a fluoride compound or fluoride ions associated with them is disclosed to improve properties such as...
5554216 High gloss durable TiO.sub.2 pigment  
A coated TiO 2 pigment is disclosed with coatings of porous alumina and dense alumina, such dense alumina being formed in the presence of soluble molybdate.
5554215 Composite pigmentary material  
A composite particulate pigmentary material is disclosed which comprises an association of at least two chemically distinct materials in which the particles of one material carry a positive surface...
5540907 Process for preparing high solids content titanium dioxide suspension with a dechlorinating agent  
In the preparation of a suspension with a high content of titanium dioxide, which has been produced according to the chloride process, a finely divided titanium dioxide is slurried, in...
5540769 Platelet-like colored pigments and process for producing the same  
Platelet-shaped colored pigments containing titanium dioxide, one or more suboxides of titanium and an oxide or oxides of one or more metals other than titanium or non-metals and a process for the...
5516227 Spherodized fluorescent beads for improved roadway pavement marker visibility  
Retroreflective glass or plastic beads have fluorescent properties when irradiated with ultraviolet light and are emplaced in signs in patterns indicative of alphanumeric characters, or embedded in...
5484481 Process for the colouration of building materials  
The present invention relates to a process for the coloration of building materials such as concrete or asphalt by granulated inorganic pigments.
5458679 Treatment of inorganic filler material for paper with polysaccharides  
The disclosed invention relates to a composition comprising finely divided cationically charged particles of an inorganic material treated with at least one of anionic polysaccharide or anionically...
5453267 Sunscreen compositions  
The invention relates to titanium dioxide sunscreen compositions containing 0.025 to 30% by weight of phosphate anions. Phosphate anions, preferably in the form of salts, have been found to prevent...
5451252 Subpigmentary titanium dioxide with improved photostability  
Subpigmentary titanium dioxide with decreased photoactivity is produced if known ions for increasing photostability in titanium dioxide pigments are not deposited on the surface of the...
5447561 Pigment-dispersed resin composition  
Herein is disclosed a pigment-dispersed resin composition comprising (a) a surface modified pigment in respect of which a surface modifying mixture consisting of a titanium oligomer and an organic...
5407746 Platelet-like substrates  
The application relates to deagglomerated and readily dispersible platelet-like substrates with a high degree of softness, which are characterized by a content of 0.5-20% by weight of spherical...
5393510 High solids content titanium dioxide suspension  
A finely divided chloride process titanium dioxide prepared without the use of a dispersing agent. The slurry is dewatered via filtration, and the resulting filter cake is made flowable with an...
5384013 Cationic pigment-containing paper coating composition  
There is disclosed an aqueous paper coating composition which comprises at least 45% by weight of a particulate pigment dispersed with a dispersing agent, and an adhesive; characterized in that...
5380360 Ultra-fine granular barium sulfate-coated flaky pigment and method of preparing the same  
Disclosed are a flaky pigment in which the surfaces of fine flaky grains, as a pigment base, have been coated with ultra-fine barium sulfate grains having a mean grain size of 0.1 μm or less. The...
5358560 Solid-form additive systems dispersible in aqueous media and method for their preparation  
Solid form additive systems which are dispersible in aqueous media are disclosed, as are methods for preparing such additive systems. The additive systems are dry, free-flowing particulate...
5350792 Pigment-containing plastic molding composition  
A plastic molding composition based on an organic thermoplastic polymer containing a black mineral pigment suitable as a material for the preparation of shaped articles which can be provided with...
5346546 Aggregate-TiO.sub.2 pigment products  
Aggregate-TiO 2 pigment products comprising in each 100 parts, by weight, at least 50 parts, by weight, particulate TiO 2 materials bound intrinsically with other pigmentary, subpigmentary and...
5338775 Correction fluid  
An aqueous, correction fluid that includes a suspending agent, a binding resin, water, and an opacifying pigment. The suspending agent is preferably a gum or hydrocolloid, e.g., xanthan gum, and...
5336312 Bismuth-containing colorants  
This invention relates to colorants represented by the formula Bi 2 A x -1 D x O y wherein: A is selected from the group consisting of Bi, Ba, Sr, Ca, Y, La, or a mixture of two or more...
5330953 Preparation of anatase titanium dioxide  
a process for the preparation of anatase titanium dioxide having a high surface area and suitable as a catalyst support is described. The process involves forming an aqueous dispersion of titanium...
5320781 Conductive pigment  
There is disclosed an electrically conductive pigment containing 20 to 95% by weight of a component A comprising one or more conductive platelet-like pigments and 5 to 80% by weight of a component...
5310578 Deposition of cosmetically functional material onto pigments and fillers  
A process for coating the surface of pigment and filler particles with an oleaginous and cosmetically functional material, characterized in that an aqueous suspension of the pigment or filler is...
5308394 Pigment and process for producing the same  
Disclosed are a pigment including a light-transparent ceramic scaly substrate, a tin compound layer coated on a surface of the substrate in an amount of 0.6 to 0.75% by weight with respect to the...
5304238 Plasticized sulfur compositions and method of manufacturing same  
Plasticized sulfur compositions suitable for use as road-marking material are comprised of elemental sulfur, plasticized sulfur, a viscosity control agent and solid filler material. The plasticized...
5290352 Process for the preparation of a pigment suspension  
Pigment suspensions of inorganic pigments are prepare compacting and grinding the unground pigments on a roller compactor, followed by processing of the compacted pigment in a wet grinding mill...
5286682 Yellow retroreflective pavement markings  
A pavement marking that has yellow-tinted, retroreflective beads partially embedded in a bead-carrier medium. The bead-carrier medium contains 0.5 to 15 volume percent of a light-scattering agent...
5279662 Alkyl polyglycoside as a dispersant for titanium dioxide  
Alkyl polyglycoside surfactants are effective dispersing agents for TiO 2 in aqueous dispersions.
5264033 Process for producing titanium dioxide pigment for photograph and photographic support comprising same  
Disclosed is a process for producing a titanium dioxide pigment used for a resin-coated paper type photographic support, comprising the following steps: (a) a step of adding at least one...
5256191 Correction fluid compositions  
Substantially non-toxic correction fluid compositions including an opacifying pigment dispersed in a solution of a solvent, a siloxane and a film-forming polymeric material.
5246493 Golden yellow pigment  
A golden yellow pigment having good corrosion resistance and weather resistance is disclosed, which comprises titanium metal flakes the surfaces of which are covered with a titanium nitride layer,...
5238492 Pigment and process for producing the same  
Disclosed are a pigment, a production process therefor, a production process therefor and for improving its weather resistance, and a metallic paint made therefrom. The pigment includes a...
5236989 Aggregated composite mineral pigments  
A process for forming chemically aggregated composite porous bulking pigments for use in paper filling and coating formulations. An aqueous slurry is formed of feed mineral particles selected from...
5225382 Titanium oxide film  
A titanium oxide film consists of a mixture of titanium monoxide (TiO), titanium dioxide (TiO 2 ), titanium trioxide (Ti 2 O 3 ), titanium pentoxide (Ti 3 O 5 ) and other titanium oxides which...
5215584 Process for coloring building materials  
Building materials such as plaster, lime-sand bricks, fiber cement parts, cast stones, roof tiles, flagstone and paving setts are colored by incorporating therein in organic granules produced from...
5215580 Process for the production of a fine particle titanium dioxide  
A process produces fine particle titanium dioxide essentially transparent to visible light and essentially UV radiation absorbing. During preparation of the titanium dioxide product, tin dioxide...
5201949 TiO.sub.2 manufacturing process  
Titanium dioxide pigment prepared by the high pressure (e.g., 10-200 PSIG) oxidation of TiCl 4 vapor is improved with respect to carbon black undertone, specific surface area, and gloss properties...
5192365 Buff rutile pigment compositions  
Desirable buff rutile pigment compositions are described which comprise about 40 to about 55% by weight of titanium, from about 0.4 to about 5 parts by weight of cobalt, from about 7 to about 14%...
5190583 Aqueous coating composition and the use thereof for coating to be protected from light, especially ultraviolet radiation  
An aqueous coating composition is provided which reflects light, especially UV radiation, and can be colored as desired. It is prepared from a synthetic resin dispersion and inorganic pigments...
5177395 Cadmium free bug lamp with rutile TiO.sub.2 coating containing chromium and antimony in the rutile lattice  
A cadmium free bug lamp which emits a yellow color when energized and which has very low emission in the range of from 310-380 nm employs a coating wherein the yellow emitting pigment is a rutile...
5173386 Titanium dioxide aggregates process for producing same and electrophotographic photosensitive material containing same  
The present invention provides novel titanium dioxide aggregates especially suitable for an electrophotographic photosensitive material. This titanium dioxide aggregates comprise sintered...
5167709 Pigment consisting of polyvalent metal salt of acylated amino acid or amidosulfonic acid and cosmetic composition containing the same  
A pigment consisting of a polyvalent metal salt of an amidosulfonic acid represented by the following general formula (I): ##STR1## wherein R 1 represents a straight-chain or branched alkyl,...
5167705 High opacity, thin coat concept airport runway line-marking paints  
Conventionally, paints which are formulated for use as markings on roads have also been used as markings on airport runways but have been found unsatisfactory since airport runway markings have...
5165915 Spherical clay mineral powder, process for production thereof and composition containing the same  
A spherical clay mineral powder or spherical composite powder comprising water-swellable clay mineral with specific surface are of 100 m 2 /g or more is provided, and the composite powder can...
5156678 Coating with organic dyes  
Effect pigments based on interference pigments coated with phthalocyanine or metal phthalocyanine dyes, characterized in that the dyes are applied to the pigments as a strongly adhering film...
5152835 Composite titania-calcined kaolin opacifying pigments and method for making and using same  
Novel titania-calcined kaolin composite pigments wherein structuring and adhesion of titania and calcined kaolin particles is achieved by use of a cationic polyelectrolyte. Methods for compositing...
5147686 Method of making titanium oxide powder having antimicrobial metal supported thereon  
Antimicrobial powders are obtained by suppporting at least one antimicrobial metal of copper, zinc and alloys thereof on the surface of hydrous titanium oxide or titanium oxide particles by...
Matches 251 - 300 out of 535 < 1 2 3 4 5 6 7 8 9 10 11 >