Clay Or Material Derived From Clay Containing, E.g., Bentonite, Montmorillonite, Etc. Patents (Class 106/468)
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Patent number: 5318619Abstract: An improved polyurethane-based water-in-water multicolor paint composition is provided having a disperse phase and a continuous phase which is characterized by an accelerated capacity to transfer from an applicator surface to a substrate surface during paint application. The disperse phase preferably is comprised of a water dispersible, inert film-forming, crosslinkable, polyurethane polymer system; hydroxy (lower alkyl) cellulose; quaternized water soluble cellulose ether; peptized clay and water. The continuous phase preferably is comprised of such a polyurethane polymer system, a water soluble, film-forming, crosslinkable, pressure-responsive contact adhesive, a peptized clay and water. Methods for preparing the paint are also provided.Type: GrantFiled: April 6, 1993Date of Patent: June 7, 1994Assignee: Multicolor Specialties, Inc.Inventors: James F. Lynch, John Predkelis
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Patent number: 5314535Abstract: A polyurethane-based water-in-water multicolor paint composition is provided having a disperse phase and a continuous phase. The disperse phase contains a water dispersible, film-forming, crosslinkable, polymer system selected from among a polyurethane polymer system, a carboxylated polymer system, and mixtures thereof; as well as hydroxy (lower alkyl) cellulose, quaternized water soluble cellulose ether, peptized clay, and water. The continuous phase preferably is comprised of a polyurethane polymer system, a peptized clay and water. Methods for preparing the paint are also provided.Type: GrantFiled: April 6, 1993Date of Patent: May 24, 1994Assignee: Multicolor Specialties, Inc.Inventors: James F. Lynch, John Predkelis
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Patent number: 5298066Abstract: An improved process for producing a aggregated kaolin pigment having desired physical and optical characteristics when used as a coating, filler or pigment in paper. The aggregated pigment is produced by contacting a substantially dry fine particle size kaolin with a previously hydrolyzed organic silicon compound, such as hydrolyzed tetraethoxysilane, and then recovering the aggregated kaolin pigment.Type: GrantFiled: February 22, 1993Date of Patent: March 29, 1994Assignee: ECC International Inc.Inventors: Dickey S. Shurling, Jr., Alan J. Brown, E. Wayne Andrews
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Patent number: 5284512Abstract: Water soluble salts of a .beta.-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.Type: GrantFiled: February 16, 1993Date of Patent: February 8, 1994Assignee: Donlar CorporationInventors: Larry P. Koskan, Kim C. Low
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Patent number: 5262239Abstract: A composite pigment product useful as a paper filler pigment comprises a mineral nucleus coated with a substantially continuous substantially uniform coating of an active paper pigment. The active paper pigment coating is preferably formed in situ under alkaline conditions.Type: GrantFiled: February 12, 1992Date of Patent: November 16, 1993Assignee: J. M. Huber CorporationInventors: Satish K. Wason, Michael C. Withiam
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Patent number: 5232495Abstract: An improved process for producing a aggregated kaolin pigment having desired physical and optical characteristics when used as a coating, filler or pigment in paper. The aggregated pigment is produced by mixing an aqueous slurry of a fine particle kaolin with a previously hydrolyzed organic silicon compound, such as hydrolyzed tetraethoxysilane, and then spray drying the mixture to form a dry, chemically aggregated kaolin pigment.Type: GrantFiled: May 1, 1992Date of Patent: August 3, 1993Assignee: ECC International Inc.Inventors: Dickey S. Shurling, Jr., Alan J. Brown, E. Wayne Andrews
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Patent number: 5215582Abstract: A water-base aerosol coating composition, for application to a surface to be coated from a pre-packaged pressurized spray container, which contains greater than 10 Wt. % and up to about 25 Wt. % of a water dispersible acrylic modified alkyd resin, from about 0.4 to about 0.6 Wt. % of an amine neutralizing agent, less than 0.45 Wt. % of an organophilic clay dispersing agent, and from about 0.1 to about 0.5 Wt. % of an organic rheological agent. The formulation also includes from about 11 to about 17 Wt. % of a first solvent comprising glycol ether, from about 14 to about 18.5 Wt. % of a second solvent comprising water, and from about 38 to about 42 Wt. % of a cosolvent propellant comprising dimethyl ether. From about 1.17 Wt. % to less than 2.46 Wt. % of a barium metaborate monohydrate corrosion inhibitor is included, and an antiblock function is provided by including more than 0.3 wt.Type: GrantFiled: October 3, 1991Date of Patent: June 1, 1993Assignee: United Coatings, Inc.Inventors: Gary L. Bolt, Bruce R. Brouillette
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Patent number: 5199980Abstract: A polyurethane-based water-in-water multicolor paint composition is provided having a disperse phase and a continuous phase. The disperse phrase preferably is comprised of a water dispersible, film-forming, crosslinkable, polyurethane polymer system; hydroxy (lower alkyl) cellulose; quaternized water soluble cellulose ether; peptized clay; and water. The continuous phase preferably is comprised of such a polyurethane polymer system, a peptized clay and water. Methods for preparing the paint are also provided.Type: GrantFiled: March 16, 1992Date of Patent: April 6, 1993Assignee: Multicolor Specialties, Inc.Inventors: James F. Lynch, John Predkelis
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Patent number: 5186747Abstract: Preactivated organophilic clays useful as rheological control and gelling agents for organic liquids are made by dry blending the organophilic clays with free-flowing dry powder blends of 1,2-propylene carbonate and finely divided amorphous silica.Type: GrantFiled: March 28, 1991Date of Patent: February 16, 1993Assignee: United Catalysts Inc.Inventor: Wayne T. Mattingly
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Patent number: 5186746Abstract: 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 fillers and paint pigments.Type: GrantFiled: January 10, 1992Date of Patent: February 16, 1993Assignee: J. M. Huber CorporationInventor: Gary M. Freeman
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Patent number: 5185038Abstract: There is disclosed a method for producing a pastel containing a fluorescent pigment therein by extrusion molding. The method comprises preparing a molding material composed of a mixture comprising a fluorescent pigment in an amount of 20-60% by weight, montmorillonite group minerals or clay mainly composed of montmorillonite group minerals as a first extender in an amount of 5-17% by weight, a second extender other than the first in an amount of 35-70% by weight, and a wetting agent in an amount of 0-6% by weight, based on the mixture, and water in an amount sufficient to render the molding material plastic and moldable, and extrusion-molding and drying the material.Type: GrantFiled: September 5, 1991Date of Patent: February 9, 1993Assignee: Nouvel Laboratory, Ltd.Inventor: Manabu Kamegawa
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Patent number: 5167707Abstract: 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 paint systems and anti-block agents for plastic film applications.Type: GrantFiled: March 29, 1991Date of Patent: December 1, 1992Assignee: J. M. Huber CorporationInventors: Gary M. Freeman, John M. M. Harrison, Marion M. Jones, Thad T. Broome
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Patent number: 5160371Abstract: Disclosed herein is a display composition which comprises a dye and a clay mineral in which quaternary ammonium ions are bound between layers through ion exchange, said display composition undergoing reversible color development and color fading through the oxidation and reduction of said dye, the oxidation causing said dye to form a color and to be bound between the layers of said clay mineral through ion exchange with said quaternary ammonium ions, the reduction causing the dye to discolor and to be desorbed out of the interlaminar space of the clay mineral and also causing the quaternary ammonium ions to be bound again between the layers through ion exchange. Disclosed also herein are a coloring pigment and recording material which employ the display composition.Type: GrantFiled: April 25, 1990Date of Patent: November 3, 1992Assignee: Sony CorporationInventor: Kengo Ito
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Patent number: 5158609Abstract: An improved water based aerosol paint is particularly well-suited for use in site marking applications. Its high content of calcium carbonate provides a support for the pigment and resin film. A straight chain, low molecular weight hydrocarbon with between 5 and 8 carbons is used to control foaming.Type: GrantFiled: March 18, 1991Date of Patent: October 27, 1992Assignee: Aervoe Pacific Company, Inc.Inventor: Paul J. O'Neill
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Patent number: 5154767Abstract: A low brightness pigment and method is provided from a heretofore rejected waste kaolin stream. Kaolin processing rejects are high in iron-stained TiO.sub.2. After separating the stained TiO.sub.2 from the high brightness kaolin and concentrating the resulting fraction, the material can be processed to produce a low brightness pigment suitable of many applications where lower brightness is desirable, such as coating paper board without mottling.Type: GrantFiled: January 18, 1991Date of Patent: October 13, 1992Assignee: J. M. Huber CorporationInventors: Albert C. Kunkle, Robert E. Hardy, Bobby R. Skipper
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Patent number: 5151124Abstract: A method for forming a hydrothermally aggregated kaolin clay pigment, comprising: preparing an aqueous slurry of a particulate kaolin clay, sodium silicate, and finely divided calcium carbonate, having a total solids concentration of from about 10 to 20% by weight; the non-aqueous components including 60 to 80 parts per hundred by weight of said kaolin and from 10 to 20 pph by weight each of said sodium silicate and said calcium carbonate; and hydrothermally treating said slurry in a closed system to form aggregates of adherent kaolin platelets.Type: GrantFiled: June 4, 1990Date of Patent: September 29, 1992Assignee: ECC America Inc.Inventor: C. Arlyn Rice
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Patent number: 5137568Abstract: Dispersibility of extender pigments in ink formulations is improved by using as the extender pigment, a quaternary ammonium treated kaolin clay.Type: GrantFiled: May 16, 1991Date of Patent: August 11, 1992Assignee: J.M. Huber CorporationInventors: David H. Durham, Michael Pugliese
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Patent number: 5129953Abstract: The bulk handling characteristics of a calcined kaolin clay powder, including the bulk density and flowability, are significantly improved by forming an aqueous slurry of the calcined kaolin clay powder and spray drying the slurry.Type: GrantFiled: August 29, 1991Date of Patent: July 14, 1992Assignee: E.C.C. America, Inc.Inventors: Paul R. Suitch, Dursun E. Ince, Hilary Burgamy, A. Taylor Coppage, Tony May
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Patent number: 5114485Abstract: A water-in-water multicolored paint composition is provided having a disperse phase and a continuous phase. The disperse phase preferably is comprised of water dispersable, film-forming, crosslinkable, carboxylated polymer; crosslinking agent; hydroxy (lower alkyl) cellulose; quaternized water soluble cellulose ether; peptized clay; and water. The continuous phase preferably is comprised of a water dispersable, crosslinkable, carboxylated polymer or copolymer, a peptized clay and water. Methods for preparing the paint are also provided.Type: GrantFiled: May 1, 1991Date of Patent: May 19, 1992Assignee: Multicolor Specialties, Inc.Inventors: James F. Lynch, John Predkelis
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Patent number: 5112603Abstract: The present invention relates to compositions useful as thickening agents for aqueous systems. More particularly, it relates to compositions comprising smectite clays and cationic polymers.Type: GrantFiled: December 30, 1988Date of Patent: May 12, 1992Assignee: Miranol Inc.Inventors: Richard J. Nadolsky, Joseph M. Laryea
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Patent number: 5108736Abstract: This invention relates to pigmented cosmetic products in cake, cream, liquid or stick form such as eye shadows, foundations, mascaras and moisturizers.Type: GrantFiled: February 16, 1988Date of Patent: April 28, 1992Inventor: Mitchell L. Schlossman
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Patent number: 5106421Abstract: A mineral dye coloring pigment has been developed which includes a water-soluble organic dye which has been insolubilized or "fixed" onto a mineral pigment substrate by means of a cationic or anionic chemical compound. Also, a method for producing the mineral dye pigment and products containing the mineral dye pigment have been developed.Type: GrantFiled: October 27, 1989Date of Patent: April 21, 1992Assignee: J. M. Huber CorporationInventors: Carl J. Marshall, Jr., Albert C. Kunkle
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Patent number: 5106420Abstract: A mineral based coloring pigment has been developed which includes a water-soluble organic dye which has been insolubilized or "fixed" onto a mineral pigment substrate by means of a cationic or anionic chemical compound. Also, a method for producing the mineral based coloring pigment and products containing the mineral based coloring pigment have been developed.Type: GrantFiled: October 27, 1989Date of Patent: April 21, 1992Assignee: J. M. Huber CorporationInventor: Carl J. Marshall, Jr.
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Patent number: 5100472Abstract: Paper coatings composition containing highly deionized clay or calcium carbonate are disclosed; the compositions provide equivalent rheology at up to 4% higher solids; the compositions provide enhanced glossability; the highly deionized clay and calcium carbonate are also disclosed.Type: GrantFiled: March 22, 1991Date of Patent: March 31, 1992Assignee: The Mead CorporationInventors: Gary P. Fugitt, Michael J. Whalen-Shaw, Dale B. Uhrig, Dene H. Taylor
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Patent number: 5085707Abstract: A defined and delaminated kaolin composition exhibiting high opacity is produced by defining and delaminating a base kaolin clay so as to reduce its colloidal content. The defined and delaminated kaolin composition may also be treated with hexamethylenediamine and aluminum sulfate to further enhance opacity. Whether treated or untreated, the defined and delaminated kaolin composition functions superiorly in paper coating formulations, alone or blended with known coating clays, improving the opacity, print gloss, sheet gloss and printability of paper sheet coated therewith.Type: GrantFiled: June 14, 1990Date of Patent: February 4, 1992Assignee: Georgia Kaolin Company, Inc.Inventors: Wayne M. Bundy, John A. Manasso, Joseph P. Berberich
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Patent number: 5061744Abstract: A resist ink composition suitable for forming a masking pattern resistive against chemical attack by a chemical plating liquor is disclosed which comprises:a phenol novolak epoxy resin having an epoxy equivalent of 170-250;a phenol novolak resin having a softening point of 60.degree.-130.degree. C.;a montmorillonite organic complex such as bentonite ion-exchanged with an organic cation;a curing-accelerating catalyst; andan organic solvent.Type: GrantFiled: July 5, 1989Date of Patent: October 29, 1991Assignee: Somar CorporationInventors: Osamu Ogitani, Takashi Shimizu, Ryuichi Fujii, Masao Kawashima, Tuyoshi Kobayashi, Ichiro Akutagawa
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Patent number: 5061397Abstract: There is disclosed a particulate inorganic material, suitable for use in a detergent composition, comprising base granules of a smectite clay coated with a white inorganic material. Also disclosed is a detergent composition comprising a particulate inorganic material and a process for making the particulate inorganic material.Type: GrantFiled: August 1, 1989Date of Patent: October 29, 1991Assignee: ECC International LimitedInventor: Howard Goodman
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Patent number: 4971629Abstract: Aggregation of kaolin particles by wet processing using a hydrothermal technique is described. Calcined clay is first digested in a solution containing NaOH and the obtained sodium silicate solution is separated. Aggregation of uncalcined clay particles by hydrothermal treatment is then carried out using the obtained solution. The method enables aggregation of low grade clays unsuitable for calcination. A two-stage hydrothermal process is also described. Bleaching with oxygen or bleaching compounds may be effected during hydrothermal treatment.Type: GrantFiled: October 4, 1989Date of Patent: November 20, 1990Assignee: ECC America Inc.Inventors: Weyman H. Dunaway, Lev F. Verbov
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Patent number: 4911982Abstract: A surface treated clay such as kaolin is prepared by a process in which the clay surface is preconditioned by treatment with gaseous hydrogen and then functionalized by reaction with a polymerizable organic moiety of an organic compound. The products are useful as fillers for rubber, resin, plastic, paper and the like.Type: GrantFiled: August 8, 1988Date of Patent: March 27, 1990Assignee: E.C.C. America Inc.Inventor: Camilla A. Rice
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Patent number: 4906300Abstract: 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 calciner to a temperature of at least 900.degree. C., and under conditions such that substantially none of said kaolin is heated to a temperature in excess of 1100.degree. C.; a reduction in the abrasivity of the calcined product is achieved by incorporating into the feed from 1 to 4% by weight of MgCO.sub.3 and/or Mg(OH).sub.2.Type: GrantFiled: June 23, 1988Date of Patent: March 6, 1990Assignee: E.C.C. America Inc.Inventor: Camilla A. Rice
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Patent number: 4892590Abstract: A two component binder system comprising a highly dispersible, high specific surface area precipitated calcium carbonate (colloidal PCC) and a cationic starch, especially a cationic potato starch, for improving filler retention, opacity and strength during papermaking.Type: GrantFiled: June 3, 1988Date of Patent: January 9, 1990Assignee: Pfizer Inc.Inventors: Robert A. Gill, Nigel D. Sanders
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Patent number: 4871396Abstract: 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 g per one grain of granule. The granular composition is preferably incorporated into a dentifrice, and granules incorporated therein can be recognized as granules in the mouth, however, polishing effect of the teeth can be acknowledged with almost no unpleasant feel of foreign substance.Type: GrantFiled: November 12, 1987Date of Patent: October 3, 1989Assignee: Kao CorporationInventors: Satoshi Tsujita, Koji Maeda, Yasuteru Eguchi
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Patent number: 4857491Abstract: An organo-clay is prepared by treating a clay mineral of the smectite type with a mixture of di(lower alkyl) arylkyl (higher alkyl) ammonium compound and a di(lower alkyl) di(higher alkyl) ammonium compound and thereafter subjecting the treated clay mineral to high shear mixing for a time sufficient to dissipate in the mixture at least 100 KJ of energy per Kg of dry solids in the mixture. The organo-clay is useful in gelling compositions containing one or more liquid aliphatic alcohols.Type: GrantFiled: August 13, 1986Date of Patent: August 15, 1989Assignee: ECC International LimitedInventor: Howard Goodman
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Patent number: 4851048Abstract: A structured kaolinitic pigment having improved physical and optical characteristics when incorporated as a filler in paper. The pigment is also useful in paper coating applications. The pigment consists of porous aggregates of kaolin particles which are chemically bonded together. The pigment may be produced by chemically reacting a particulate kaolin with a metal chloride, such as silicon tetrachloride. The process is conducted under conditions such that the kaolinite structure is not impaired.Type: GrantFiled: September 19, 1986Date of Patent: July 25, 1989Assignee: E.C.C. America Inc.Inventors: J. Philip E. Jones, Jorge E. Salinas, Keryn N. Geho, Weyman H. Dunaway, Rasik H. Raythatha
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Patent number: 4816074Abstract: A process is described in which a structured aggregated kaolin pigment is prepared by mixing substantially dry kaolin in particulate form with an aqueous alkali metal silicate to deposit on the surface of the kaolin particles a substantially molecular level of said silicate without formation of silica gel, drying the treated kaolin without calcination and exposing it to an acidic gas. The product is useful as a pigment in the coating or filling of paper.Type: GrantFiled: January 28, 1988Date of Patent: March 28, 1989Assignee: E.C.C. America Inc.Inventors: Rasik H. Raythatha, E. Wayne Andrews
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Patent number: 4806167Abstract: The invention relates to an aggregated kaolinitic pigment having improved physical and optical characteristics when incorporated as a filler or coating pigment in paper. The pigment may be produced by treating a particulate kaolin with an alkaline earth metal carbonate or hydroxide or alkali metal carbonate, and urea or an organic amine. The pigment consists of porous aggregates of kaolin particles.Type: GrantFiled: April 27, 1987Date of Patent: February 21, 1989Assignee: E.C.C. America Inc.Inventor: Rasik H. Raythatha
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Patent number: 4804416Abstract: There is disclosed a organophilic composition which comprises a mixture of a smectite clay and a particulate second inorganic material, the mixture having been treated with a quaternary ammonium compound which is capable of rendering the smectite clay organophilic and the second inorganic material constituting at least 10% by weight of the mixture of smectite clay, second inorganic material and quaternary ammonium compound.The organophilic composition is useful for gelling organic solvents and compositions containing organic solvents.Type: GrantFiled: December 30, 1987Date of Patent: February 14, 1989Assignee: ECC International LimitedInventors: Walter B. Jepson, Howard Goodman
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Patent number: 4799964Abstract: A process for forming a preflocculated filler for use in making paper, which process comprises continuously bringing together an aqueous slurry of a paper filler material and a flocculating agent and imparting to the mixture for a period of not more than about 2 minutes and preferably for less than about 30 seconds, a shearing force sufficient to provide a flocculated filler of controlled particle size and most suitable for papermaking.Type: GrantFiled: April 29, 1987Date of Patent: January 24, 1989Assignee: Grain Processing CorporationInventors: Richard D. Harvey, Robert E. Klem
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Patent number: 4798766Abstract: A method is described in which a layered lattice silicate is surface modified with an organic material by reacting said layered lattice silicate in particulate form with a reactant system comprising gaseous NH.sub.3 at temperatures below about 1000.degree. C. and contacting the aminated silicate in particulate form with an organic compound selected from the group of monomers, co-monomers, prepolymers and compounds condensable with the amine group, such as a nylon precursor, in the presence of gaseous hydrogen. The surface modified silicates are useful as fillers in a filled polymer system comprising a matrix polymer and a filler.Type: GrantFiled: August 26, 1987Date of Patent: January 17, 1989Assignee: E.C.C. America Inc.Inventor: Camilla A. Rice
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Patent number: 4798630Abstract: A method for chlorinating a clay mineral starting composition to produce reactive chloride intermediates, comprising: reacting said composition in substantially dry particulate form with gaseous SiCl.sub.4 to activate the surface of said composition, thereby forming said reactive chloride intermediate, said reaction being conducted at temperatures below that at which volatilization or dehydration of the starting composition will occur. The resulting compounds are highly reactive intermediates, which can then be functionalized by reaction with a large group of organics, or organic derivatives.Type: GrantFiled: June 17, 1986Date of Patent: January 17, 1989Assignee: E.C.C. America Inc.Inventors: Weyman H. Dunaway, Jorge E. Salinas
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Patent number: 4789403Abstract: A method of producing a layered lattice silicate which is surface modified with an organic material wherein said silicate in substantially dry, particulate form is contacted with an organic monomer, co-monomers or a prepolymer, and surface polymerization or reaction in situ on the silicate in the presence of a gaseous hydrogen atmosphere is effected.Type: GrantFiled: December 17, 1986Date of Patent: December 6, 1988Assignee: E.C.C. America Inc.Inventor: Camilla A. Rice
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Patent number: 4769078Abstract: Organophilic clays, having enhanced dispersibility in organic systems are made by reacting a smectite type clay with a quaternary ammonium compound and a betaine type compound. These organophilic clays are useful for alteriing the rheological properties of organic systems.Type: GrantFiled: March 7, 1988Date of Patent: September 6, 1988Assignee: United Catalysts, Inc.Inventor: Su C. Tso