Patents Assigned to Imerys Kaolin, Inc.
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Patent number: 9346964Abstract: A water-based paint composition may include at least one mineral treated with at least one hydrophobizing agent. The at least one mineral may include at least one of clay, kaolin, mica, titanium dioxide, talc, natural or synthetic silica or silicates, feldspars, nepheline syenite, talc, wollastonite, diatomite, barite, glass, and calcium carbonate. The at least one hydrophobizing agent may include at least one of fatty acids, fatty amines, and silanes. A method of making water-based paint may include treating at least one mineral with a hydrophobizing agent, and combining the at least one treated mineral with a binder.Type: GrantFiled: March 3, 2011Date of Patent: May 24, 2016Assignee: Imerys Kaolin, Inc.Inventors: Stephen Raper, David Skelhorn
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Publication number: 20130000518Abstract: A water-based paint composition may include at least one mineral treated with at least one hydrophobizing agent. The at least one mineral may include at least one of clay, kaolin, mica, titanium dioxide, talc, natural or synthetic silica or silicates, feldspars, nepheline syenite, talc, wollastonite, diatomite, barite, glass, and calcium carbonate. The at least one hydrophobizing agent may include at least one of fatty acids, fatty amines, and silanes. A method of making water-based paint may include treating at least one mineral with a hydrophobizing agent, and combining the at least one treated mineral with a binder.Type: ApplicationFiled: March 3, 2011Publication date: January 3, 2013Applicant: Imerys Kaolin, Inc.Inventors: Stephen Raper, David Skelhorn
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Patent number: 7758688Abstract: The present invention relates to a composition comprising calcined kaolin having a narrow particle size distribution. The composition can have many uses, such as fillers or extenders in paint, plastics, polymers, papermaking, and coating compositions. More generally, the inventive products may be used wherever calcined kaolins are used.Type: GrantFiled: March 16, 2004Date of Patent: July 20, 2010Assignee: Imerys Kaolin, Inc.Inventors: Edward J. Sare, Tommy Adkins
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Publication number: 20090129994Abstract: Disclosed herein are compositions comprising novel delaminated kaolins having a large particle size and low levels of alkali metal oxides. Methods of making the disclosed delaminated kaolin by calcining hydrous kaolin are described. Applications using the disclosed compositions in preparing catalyst substrates, paints, coatings, sealants, cementitious products, ceramics, rubbers, polymers and other compositions are also described.Type: ApplicationFiled: March 8, 2007Publication date: May 21, 2009Applicant: Imerys Kaolin, Inc.Inventors: Edward J. Sare, Tommy L. Adkins
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Patent number: 7534736Abstract: Disclosed herein is ultra-low residue, high solids, wet “cake” kaolin and ultra-low residue, high solids, wet “cake” calcined kaolin products, produced by use of wet screening/non-drying product isolation, which are useful in the manufacture of top size-sensitive applications.Type: GrantFiled: May 25, 2005Date of Patent: May 19, 2009Assignee: Imerys Kaolin, Inc.Inventors: Edward Sare, James Stacey Johnson
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Publication number: 20090023849Abstract: Disclosed herein are inorgano-neutralized calcined kaolin comprising calcined kaolin treated with at least one basic inorganic compound, a composition comprising the inorgano-neutralized calcined, and use of the inorgano-neutralized calcined kaolin in silicone rubber formulation. Further disclosed herein are a method of making the inorgano-neutralized calcined kaolin and a method of making a silicone rubber formulation comprising the inorgano-neutralized calcined kaolin.Type: ApplicationFiled: October 5, 2005Publication date: January 22, 2009Applicant: Imerys Kaolin, Inc.Inventors: Robert Bradshaw, Walter J. Polestak, Edward Sare
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Publication number: 20080262142Abstract: Disclosed herein are organo-neutralized calcined kaolin comprising calcined kaolin treated with at least one basic organic compound, a composition' comprising the organo-neutralized calcined, and use of the organo-neutralized calcined kaolin in silicone rubber formulation. Further disclosed herein are a method of making the organo-neutralized calcined kaolin and a method of making a silicone rubber formulation comprising the organo-neutralized calcined kaolin.Type: ApplicationFiled: October 5, 2005Publication date: October 23, 2008Applicant: Imerys Kaolin, Inc.Inventors: Robert W. Bradshaw, Walter J. Polestak, Edward J. Sare
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Publication number: 20080255291Abstract: Disclosed herein are compositions comprising novel calcined kaolins having a large particle size and low levels of alkali and alkali earth metal oxides. Methods of making the disclosed calcined kaolin by calcining hydrous kaolin are described. Applications using the disclosed compositions in preparing catalyst substrates, paints, coatings, sealants, cementitious products, ceramics, rubbers, polymers and other compositions are also described.Type: ApplicationFiled: August 28, 2006Publication date: October 16, 2008Applicant: Imerys Kaolin, Inc.Inventors: Edward J. Sare, Tommy L. Adkins
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Publication number: 20080196520Abstract: Disclosed herein are methods of determining the presence of contaminating dispersants, such as polymeric dispersants and inorganic dispersants, in a processed mineral, including mineral products such as pigments, by measuring the particle charge of the processed mineral using a particle charge detector.Type: ApplicationFiled: April 19, 2006Publication date: August 21, 2008Applicant: IMERYS KAOLIN, INC.Inventors: Stacey Johnson, Edward J. Sare
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Publication number: 20080168925Abstract: Disclosed herein are dry aggregated calcium carbonates, comprising calcium carbonate and at least one inorganic binder, wherein the dry aggregated calcium carbonate has a median aggregate particle size (D50) of at least 5 ?m. Also disclosed are compositions comprising such dry aggregated calcium carbonates. Products, such as paints, and methods of making products containing such aggregated calcium carbonate are further disclosed.Type: ApplicationFiled: March 29, 2006Publication date: July 17, 2008Applicant: Imerys Kaolin, Inc.Inventors: Edward J. Sare, Stephen C. Raper, Julie Figlar
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Patent number: 6652642Abstract: The present invention relates to calcined kaolin products, their production, and use. More specifically, the invention relates to calcined kaolin-containing products having a median diameter particle size of from about 0.5 &mgr;m to about 10 &mgr;m, and a multimodal particle size distribution defined herein. The calcined kaolin products of the invention possess a combination of physical properties and applied properties not previously seen together in calcined kaolin pigments. The products according to the invention find use as flattening (or matting) agents, and as fillers or extenders in paint and coating compositions. More generally, the inventive products may be used wherever calcined kaolins are used.Type: GrantFiled: January 16, 2002Date of Patent: November 25, 2003Assignee: Imerys Kaolin, Inc.Inventors: Edward J. Sare, Stephen C. Raper, Tommy L. Adkins, Julie Figlar
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Patent number: 6554892Abstract: Coarse platey, high brightness kaolin products and methods for making the same, including combining a coarse kaolin fraction and a fine kaolin fraction, where each coarse or fine kaolin fraction may be produced by processing one or more crude kaolin samples through different stages of the methods of the present invention, by blending of one or more crude kaolin samples so processed, or as a by-product of a coarse or fine kaolin product.Type: GrantFiled: June 30, 2000Date of Patent: April 29, 2003Assignee: Imerys Kaolin, Inc.Inventors: John A. Manasso, Bomi M. Bilimoria, Leslie A. McLain, Milton Constantin
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Publication number: 20020088376Abstract: The present invention relates to calcined kaolin products, their production, and use. More specifically, the invention relates to calcined kaolin-containing products having a median diameter particle size of from about 0.5 &mgr;m to about 10 &mgr;m, and a multimodal particle size distribution defined herein. The calcined kaolin products of the invention possess a combination of physical properties and applied properties not previously seen together in calcined kaolin pigments. The products according to the invention find use as flattening (or matting) agents, and as fillers or extenders in paint and coating compositions. More generally, the inventive products may be used wherever calcined kaolins are used.Type: ApplicationFiled: January 16, 2002Publication date: July 11, 2002Applicant: Imerys Kaolin, Inc.Inventors: Edward J. Sare, Stephen C. Raper, Tommy L. Adkins, Julie Figlar
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Patent number: 6312511Abstract: High brightness kaolin pigments and methods of making high brightness kaolin pigments are provided. Both delaminated and nondelaminated clays are provided having typical brightness of 87 or higher. The pigments have high brightness and good opacity, providing an optimum pigment for paper coating and paper filler. Also provided are blended high brightness kaolins having increased opacity properties.Type: GrantFiled: May 20, 1999Date of Patent: November 6, 2001Assignee: Imerys Kaolin, Inc.Inventors: Bomi M. Bilimoria, John A. Manasso, Mark S. Willis
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Patent number: 6103005Abstract: The present invention provides compositions, and method for making same, comprising large particle size, calcined kaolin clays that, when used in paint formulations, provide paints having low sheen and good weathering resistance. Compositions of the invention include a composition comprising the pigment produced by a process comprising calcining a feed comprising kaolin having a median equivalent spherical diameter (e.s.d.) as measured on a Sedigraph 5100 of greater than about 2.0 microns and having .ltoreq. about 15% less than 0.5 micron.Type: GrantFiled: September 10, 1999Date of Patent: August 15, 2000Assignee: Imerys Kaolin, Inc.Inventors: Edward J. Sare, Stephen C. Raper, Tommy L. Adkins, Curtis L. Manning