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| Number | Title | Issue Date |
| 7135429 | Attrition resistant carrier product The present invention is directed to an attrition resistant carrier product such as silica. Further, this invention is directed to the use of a binder to improve the attrition resistance or reduce the friability of a carrier product such as silica. In an embodiment,... | 11/14/2006 |
| 7101614 | Fire-proof material The fire-protection material for constructions made of concrete and prestressed concrete, especially for tunnels, in the form of prefabricated plates or sprayed-on and cured coatings is prepared from hydraulically curing compositions containing aluminous cement, opt... | 09/05/2006 |
| 6994746 | Preparation of satin white The present invention relates to a process for preparing satin white, wherein aluminum sulfate and calcium hydroxide are brought together batchwise in a planetary kneader mixer and react to form satin white. The satin white obtained by the present process has a supe... | 02/07/2006 |
| 6893536 | Process and coating composition for coating a paper web The invention relates to a process for producing a coated paper web, According to the process, a paper web is formed from a fibrous raw material in a paper machine, the paper web is coated with a pigment-containing coating mix, and the coated paper web is calendered... | 05/17/2005 |
| 6630019 | Calcium phosphate colorants and method for making same Calcium phosphate colorants are provided that comprise calcium phosphate particles, a dye, and aluminum hydroxide and which are resistant to dye migration and suitable for use in food, drugs and cosmetics. The calcium phosphate particles are coated with a... | 10/07/2003 |
| 6610136 | Pigments for ink jet paper Aggregated mineral pigments (such as kaolin clay pigments) having a high surface area and useful in coating and filling compositions for ink jet printing media are manufactured by dry grinding an unground mineral composition starting material and then opt... | 08/26/2003 |
| 6602341 | Treating kaolinitic clays A method of treating a kaolinitic clay which is intended for use as an ingredient in a ceramic composition which method comprises the steps of: (a) mixing with the kaolinitic clay from 0.1% to 15.0% by weight, based on the dry weight of the kaolinitic clay, of... | 08/05/2003 |
| 6540824 | Titanium-iron based composite oxide pigment and method for production thereof The present invention provides a yellow pigment which contains a titanium-iron complex oxide of the pseudo-brookite type and produces a stabilized color more yellowish than conventionally and which is universally usable for coloring plastics, ceramics and... | 04/01/2003 |
| 6485656 | Agents for unsticking paint, and sedimentation agents Paint detackifiers and/or sedimentation agents are provided which contain amorphous alumina and/or alumina in pseudoboehmite or boehmite form having an average crystallite size of from 0.1 to 15 nm and/or the hydrates and hydroxyalkylpolysaccharides there... | 11/26/2002 |
| 6464832 | Method for optically brightening paper A simplified method for the optical brightening of paper either in the pulp mass, the size or metering press or by coating by the use of a formulation of an optical brightening agent together with a swellable layered silicate.... | 10/15/2002 |
| 6440209 | Composite pigments comprising in-situ precipitated metal carbonate crystals Composite pigments comprising particles of silicate or oxide minerals having deposited thereon a multiplicity of particles of a metal carbonate as a result of in-situ precipitation.... | 08/27/2002 |
| 6074474 | Multi-component pigment slurry and method of making the same A multi-component pigment slurry which comprises at least 50% solids. The slurry is formulated to be admixed into paint and coating compositions to promote TiO2 extension. The slurry includes a structured pigment, a coarse particle size pigment... | 06/13/2000 |
| 6010563 | Anticorrosive pigment composition and coating compositions containing the same A nontoxic anticorrosive pigment composition free from toxic heavy metals comprises a condensed phosphoric acid aluminum salt, typically aluminum dihydrogen tripolyphosphate, and magnesium silicate, typically magnesium hexasilicate. The anticorrosive pigm... | 01/04/2000 |
| 5997626 | Low abrasion calcined kaolin pigments and enhanced filtration method A method for reducing the abrasion of a silica-containing calcined kaolin pigment by the controlled leaching of silica from the pigment, preferably by the use of a caustic solution to dissolve the silica out of the calcined kaolin. In another aspect of th... | 12/07/1999 |
| 5968242 | Colourant-loaded molecular sieve A molecular sieve, which contains in all, or only in some, of its cavities colorant molecules as well as a modifier which is covalently bound to said molecular sieve and which reduces its pore diameter, a process for its preparation as well as its use as ... | 10/19/1999 |
| 5908499 | Colored powders prepared by a combination of two thermal, chemical or irradiation processes Disclosed is a system of natural colors consisting of thousands of colored powders of mineral origin and of materials in or on which pigments have been applied and, afterwards, submitted to at least one thermal treatment and/or irradiation. These natural ... | 06/01/1999 |
| 5766336 | Colored pigments based on oxide-nitrides, the preparation and use thereof Colored pigments are provided from the green-yellow to red spectrum based on oxide-nitrides with two or three different cations Q, R and S in the crystal lattice, wherein the nitrogen to oxygen atomic ratio is determinative for the color. These pigments c... | 06/16/1998 |
| 5688316 | Pigmented substrates comprising terbium compound colorants Colored/pigmented substrates, for example plastics, paints, varnishes, ceramics, glazes, papers, inks, cosmetics, dyes, binders, coatings, rubbers, etc., include an effective coloration-imparting amount of at least one colorant terbium compound having the... | 11/18/1997 |
| 5591256 | High performance synthetic alkali metal alumino-silicate, methods and uses, compositions and high solids reaction methods of their preparation Sodium alumino-silicates are produced by silicate/clay reactions under hydrothermal conditions with increased solids during processing while still producing structural materials characterized by low oil absorption values, high total pore volume and increa... | 01/07/1997 |
| 5573585 | Molecular sieves containing azo dyes Crystalline molecular sieves useful as colorants contain one or more chromophores of the class of the mono- or polyazo dyes that are devoid of acidic groups.... | 11/12/1996 |
| 5516390 | Method of sealing a vehicle lighting fixture A lighting fixture body and a lens, both formed of plastic which generates gas when heated, are bonded together, using a hot melt adhesive with adsorbent mixed therein, thereby preventing foams from residing in the interface between the plastic materials ... | 05/14/1996 |
| 5480578 | Detergent additive for detergents containing a fabric softener A detergent additive for commercial detergents (softener agents) that contain fabric softeners is described. This additive is based on agglomerates of a smectic laminar silicate coated with divided particles. This detergent additive is characterized in th... | 01/02/1996 |
| 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 particles having a small diameter in comparison with the plat... | 04/18/1995 |
| 5385753 | Process for reactively coating particles Coated particles having properties such as to make them suitable as replacements for titanium dioxide particles can be obtained by reacting a titanium or zirconium halide, ether, or ester with zeolite hydrate particles so as to coat the zeolite particles ... | 01/31/1995 |
| 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 and has high coloring and high saturation tone, and a cosme... | 01/10/1995 |
| 5360474 | Colored crystalline aluminophosphates and/or silicoaluminophosphates of the AEL or VFI type Colored crystalline alumophosphates and/or silicoalumophsophates of the AEL or VFI type useful as dyes, optical elements and as adsorbents have the following X-ray diffraction diagram: ______________________________________ Interplanar spacing ... | 11/01/1994 |
| 5338783 | Silicone binder material and products formed therefrom A silicone rubber binder composition is provided which includes silicone rubber, silicone dioxide and an aggregate such as sand, gravel, cinders and the like. The silicone rubber is preferably an RTV silicone rubber which is solubilized using a solvent an... | 08/16/1994 |
| 5312485 | Precipitated encapsulated paper pigments and methods A composite pigment product useful as a paper filler pigment comprises a substantially inert mineral nucleus coated with a substantially continuous uniform coating of an active paper pigment. The active paper pigment coating is preferably formed in situ u... | 05/17/1994 |
| 5284512 | Polyaspartic acid and its salts for dispersing suspended solids Water soluble salts of a ଲ-polyaspartic acid, i.e., a polyaspartic acid having predominantly beta linkages in the amino acid residue chain thereof, are eminently well suited as dispersants for particulate matter in an aqueous medium.... | 02/08/1994 |
| 5264030 | Filler for degradable plastics and process for producing the same In order to provide a filler for degradable plastics which can simplify the stages for producing a degradable plastic, give effective plastic-degradability, and stabilize the quality of the plastic article, the filler is used as a carrier substance and ef... | 11/23/1993 |
| 5186746 | High performance sams pigments of low oil, absorption, preparation, properties and end-use applications Sodium Aluminosilicates (SAMS) are produced by silicate/clay reactions under hydrothermal conditions, the SAMS being characterized by low oil absorption values and high total pore volumes. The SAMS products are useful as coating pigments for paper, paper ... | 02/16/1993 |
| 5167707 | High performance coarse particle size SAMS pigments for paint and plastics applications High performance synthetic sodium aluminosilicate compositions, and the method of making the same by the hydrothermal reaction of certain delaminated kaolin clays with select sodium silicate reagents, result in enhanced performance flatting agents for pai... | 12/01/1992 |
| 5147460 | Internal coating materials for a cathode ray tube Internal coating materials for a cathode ray tube which are characterized by the fact that, in order to increase the electric resistivity of the internal coating, synthetic zeolite powder with a primary particle size of 0.5 to 20 microns, and more prefera... | 09/15/1992 |
| 4988561 | Paper coated with synthetic alkali metal aluminosilicates A family of novel and unique synthetic alkali metal alumino-silicates (SAMS) are produced by the hydrothermal reaction between kaolin and alkali metal silicates. The integrated composition of the SAMS products is a unique entity having an overall composit... | 01/29/1991 |
| 4906300 | Solid state reactions with MgCO3 /MgOH In the method for producing a low abrasion calcined kaolin clay pigment by providing a feed kaolin which is at least sufficiently fine that substantially 100% by weight of the particles are of less than 1 micrometer E.S.D., and heating said feed in a calc... | 03/06/1990 |
| 4871396 | Granular composition and dentifrice containing the same A novel granular composition comprises a water-insoluble powder material and a water-insoluble inorganic binder capable of binding said water-soluble powder material. Granules in the composition have a specific diameter and collapse under a load of 0.1-10... | 10/03/1989 |
| 4863796 | Paper coated with synthetic alkali metal alumino-silicates A family of synthetic alkali metal aluminosilicates (SAMS) are produced by the hydrothermal reaction between kaolin clay and alkali metal silicates. The integrated composition of the SAMS products is a unique entity having an overall composition of where ... | 09/05/1989 |
| 4854971 | Clay composition There is disclosed a method for improving the rheological properties of a clay mineral which, when dispersed with water, either releases into solution or retains on its surface multivalent cations, which method includes the step of treating the clay miner... | 08/08/1989 |
| 4845191 | Process for grinding in aqueous suspension of coarse mineral intended for pigment applications Grinding agent for aqueous suspension of coarse mineral materials intended for pigment applications, composed of an alkaline acrylic polymer and/or copolymer, with an average specific viscosity of less than 0.8, formed of a fraction of this polymer and/or... | 07/04/1989 |
| 4758281 | Anti-corrosive protective coatings An anti-corrosion coating and pigment therefore, the latter comprising the combination of condensed aluminum phosphate with a comminuted zeolite or silica and process for the preparation thereof.... | 07/19/1988 |
