Kaolin (e.g., Ball Clay, Fire Clay, Etc.) Containing Patents (Class 501/144)
  • Patent number: 9893505
    Abstract: A configuration for a power supply of a component in an exhaust gas system includes at least one electrical contact disposed at an exhaust gas line. The at least one electrical contact is surrounded by an electrical insulation material.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: February 13, 2018
    Assignee: EMITEC Gesellschaft fuer Emissionstechnologie mbH
    Inventors: Rolf Brúck, Jan Hodgson, Christian Vorsmann
  • Patent number: 9827457
    Abstract: The present invention provides compositions and methods for converting hazardous waste glass into safe and usable material. In particular, the present invention provides compositions and methods for producing ceramic products from toxic-metal-containing waste glass, thereby safely encapsulating the metals and other hazardous components within the ceramic products.
    Type: Grant
    Filed: November 13, 2013
    Date of Patent: November 28, 2017
    Assignee: The Catholic University of America
    Inventors: Hao Gan, Malabika Chaudhuri, Biprodas Dutta, Ian L. Pegg
  • Patent number: 8987158
    Abstract: The present invention relates to a composition for forming a friable-resistant dielectric porcelain material. The present invention also relates to a friable-resistant dielectric porcelain material formed from the composition of the present invention, a method of making a friable-resistant dielectric porcelain material, a friable-resistant dielectric porcelain material formed by the method of the present invention, a dielectric porcelain material comprising a particular composition, and a system for producing ozone using the dielectric porcelain material of to the present invention.
    Type: Grant
    Filed: November 16, 2012
    Date of Patent: March 24, 2015
    Assignee: Victor Insulators, Inc.
    Inventor: Ira Knickerbocker
  • Patent number: 8765049
    Abstract: A method of making ceramic articles includes compounding ceramic precursor batch components that include hydrous clay. The hydrous clay includes particle components having a platy geometry. The crystallite size of the platy hydrous clay particle components is greater than a predetermined amount. Controlling such crystallite size can result in reduced shrinkage of green ware during the clay dehydroxylation stage of firing.
    Type: Grant
    Filed: April 30, 2012
    Date of Patent: July 1, 2014
    Assignee: Corning Incorporated
    Inventors: David J Bronfenbrenner, Chris Maxwell, Martin Joseph Murtagh, Bryan Ray Wheaton
  • Patent number: 8758671
    Abstract: A method of making ceramic articles includes compounding ceramic precursor batch components that include hydrous clay. The hydrous clay includes particle components having a platy geometry. The crystallite size of the platy hydrous clay particle components is less than a predetermined amount. Controlling such crystallite size can result in fired ceramic articles with a lower coefficient of thermal expansion and improved thermal shock resistance.
    Type: Grant
    Filed: April 30, 2012
    Date of Patent: June 24, 2014
    Assignee: Corning Incorporated
    Inventors: Martin Joseph Murtagh, Bryan Ray Wheaton
  • Patent number: 8727003
    Abstract: An ultra-lightweight, high strength ceramic proppant made from mixture of naturally occurring clays, preferably porcelain clay, kaolin and/or flint-clay, earthenware clay or other naturally occurring clays having an alumina content between about 5.5% and about 35%. The proppant has an apparent specific gravity from about 2.10 to about 2.55 g/cc, and a bulk density of from about 1.30 to about 1.50 g/cc. This ultra-lightweight proppant is useful in hydraulic fracturing of oil and gas wells, and has greater conductivity than sand at pressures up to 8,000 psi as measured by Stim-Lab after 50 hours and 275° F. on Ohio Sandstone, in the presence of deoxygenated aqueous 2% solution of KCI.
    Type: Grant
    Filed: July 23, 2010
    Date of Patent: May 20, 2014
    Assignee: Prop Supply and Service, LLC
    Inventors: Ying Li, Zhijie Huang, Shengming Lin, Wenzhong Wu
  • Patent number: 8669199
    Abstract: The present disclosure relates to cordierite-forming batch materials and methods of using the same, and in particular batch materials for forming porous cordierite bodies suitable for treating engine emissions. The batch materials include sources of magnesium, alumina, silica, and high BET specific surface area raw kaolin clay. In some embodiments, the BET specific surface area of the raw kaolin clay is greater than 22 m2/g. In other embodiments, the BET specific surface area of the raw kaolin clay is greater than 13 m2/g, and the source of magnesium oxide and the source of non-kaolin clay source of silica both have relatively coarse particle size.
    Type: Grant
    Filed: June 5, 2009
    Date of Patent: March 11, 2014
    Assignee: Corning Incorporated
    Inventors: Chris Maxwell, Martin Joseph Murtagh
  • Patent number: 8614157
    Abstract: Sintered, substantially round and spherical particles and methods for producing such sintered, substantially round and spherical particles from an alumina-containing raw material and a metal oxide sintering aid. The alumina-containing raw material contains from about 40% to about 55% alumina. Methods for using such sintered, substantially round and spherical particles in hydraulic fracturing operations.
    Type: Grant
    Filed: March 25, 2011
    Date of Patent: December 24, 2013
    Assignee: CARBO Ceramics, Inc.
    Inventors: William H. Pope, Chad Cannan, Jimmy C. Wood
  • Patent number: 8388750
    Abstract: Disclosed herein are granulated kaolin compositions exhibiting at least one of improved material handling properties, low dusting during transit, easy make-down into mineral-water slurries, and requiring less energy to produce than spray dried kaolin products. The granulated kaolin compositions may, in one embodiment, be characterized by a moisture content ranging from about 12% to about 23% by weight relative to the total weight of the composition. In another embodiment, the granulated kaolin compositions may have an average granule size of greater than about 10 mesh. Also disclosed herein are granulated kaolin compositions having a moisture content ranging from about 12% to about 23% by weight relative to the total weight of the composition, wherein the composition is friable when subjected to a shear force.
    Type: Grant
    Filed: March 20, 2008
    Date of Patent: March 5, 2013
    Assignee: Imerys Pigments, Inc.
    Inventors: Ernest Gay, Jose Messias, Sayre Mender, Robert J. Pruett
  • Patent number: 8377560
    Abstract: A glaze composition which makes it possible that a base material for an inorganic calcined substance containing a lot of vitreous material is glazed without having corrosion. The glaze composition comprises a plastic material, a non-plastic material, and a solvent material, wherein the plastic material comprises at least one material selected from the group consisting of Gairome clay, Kibushi clay, kaolin and talc; the non-plastic material comprises at least one material selected from the group consisting of silica, calcined kaolin, pottery stone, pyrophyllite, pottery shards, chamotte and zircon; and the solvent material comprises at least one material selected from the group consisting of feldspar, lime stone, dolomite, zinc oxide and lithium carbonate.
    Type: Grant
    Filed: February 12, 2008
    Date of Patent: February 19, 2013
    Assignee: Nichiha Corporation
    Inventor: Takashige Akie
  • Patent number: 8304360
    Abstract: A blend of ball clays for use as the ball clay component of a slip to produce a ceramic sanitary ware item by a slip casting process. The clay blend including 20-50 percent of a fine-grained ball clay with a low carbon content and 45-55 percent of its particles having a size less than 0.5 microns and about 85-95 percent of the particles less than about 20 microns.
    Type: Grant
    Filed: January 4, 2010
    Date of Patent: November 6, 2012
    Assignee: Unimin Corporation
    Inventors: Victor Manuel Palacios Villanueva, Garry F. Webb
  • Patent number: 8283033
    Abstract: Provided is a ceramic ball, comprising a core portion and a sphere portion; wherein said core portion is made of clinkers and raw materials; said clinkers are made of kaolinite and feldspar, industrial waste ceramics or a combination thereof; said raw materials are made of kaolinite and feldspar; a weight ratio between the clinkers and the raw materials in said core portion is 1-2:2-3; and a weight ratio between said kaolinite and said feldspar is 5-7.5:1-2.5. A method for producing a ceramic ball is also provided. The invention features low energy consumption, good pressure resistant performance, shock resistance property and long lifetime.
    Type: Grant
    Filed: December 23, 2008
    Date of Patent: October 9, 2012
    Inventor: Feiming Lan
  • Patent number: 8242038
    Abstract: A cement mixture suitable for use with ceramic honeycomb bodies, such as for forming an outer layer on the outer periphery of the honeycomb body, or for forming plugs in the honeycomb body. The cement mixture, when fired, preferably exhibits low coefficient of thermal expansion and high strength. The cement mixture can be applied to a green honeycomb body and simultaneously fired with the green body or can be applied to an already fired ceramic honeycomb body and then fired. Includes cement mixture comprising a plurality of inorganic components comprising talc, kaolin, alumina, silica, and aluminum hydroxide, wherein the mixture contains less than or equal to 18.0% silica and greater than or equal to 17.0% aluminum hydroxide, in percent by weight of the inorganic components.
    Type: Grant
    Filed: October 22, 2008
    Date of Patent: August 14, 2012
    Assignee: Corning Incorporated
    Inventors: David A Earl, Tonia Havewala Fletcher, Robert John Paisley, Irene Mona Peterson
  • Patent number: 8097078
    Abstract: An improvement in a mixture for forming into a body that is to be fired into a “whiteware ceramic product” wherein the mixture is a compound of clay and other minerals with a ferric oxide content of less than about 5.0% by weight of the dry mixture. The improvement includes adding to the mixture a binder in the form of a combination of protein and a vegetable flour with an equivalent gram strength of at least 30 grams and a protein content of 20-50% of the binder, where the binder is in the range of 0.05% to 0.50% by weight of the dry mixture.
    Type: Grant
    Filed: October 21, 2008
    Date of Patent: January 17, 2012
    Assignee: Unimin Corporation
    Inventor: Clayton Collins
  • Patent number: 8083848
    Abstract: Disclosed herein are kaolin compositions, such as beneficiated fine sedimentary kaolin compositions. The beneficiated fine sedimentary kaolins may be obtained from the upper bed of the Rio Capim Kaolin deposit. The compositions may have at least one property chosen from a low iron content and low Hinckley crystallinity index, such as Fe2O3 in an amount less than about 0.8% by weight relative to the total weight of the solids content and wherein the Hinckley crystallinity index of the kaolin is less than about 0.5. Also disclosed are products obtained therefrom, such as paint and paper coating compositions.
    Type: Grant
    Filed: February 8, 2006
    Date of Patent: December 27, 2011
    Assignee: Imerys Pigments, Inc.
    Inventors: Robert J. Pruett, Paula R. Alves
  • Patent number: 8058198
    Abstract: A method of producing cordierite ceramic where the degree of stacking faults and the particle diameter of kaolinite used as a component of a cordierite-forming raw material are appropriately adjusted so that microcracks having an average width of 0.3 ?m or more are introduced into the resulting cordierite ceramic to produce a high-quality cordierite ceramic that includes a cordierite crystal oriented in a specific direction and has a porosity of 25% or more and a coefficient of thermal expansion of 0.30×10?6/° C. or less.
    Type: Grant
    Filed: March 11, 2009
    Date of Patent: November 15, 2011
    Assignee: NGK Insulators, Ltd.
    Inventors: Satoshi Yamazaki, Yuji Katsuda, Atsushi Watanabe, Yohei Ono, Takehiko Watanabe
  • Patent number: 8007586
    Abstract: A clay plaster formulation and application. The clay plaster is a mixture of various clays, and aggregate. This plaster is both functional and decorative and is for use on new and existing construction.
    Type: Grant
    Filed: June 23, 2010
    Date of Patent: August 30, 2011
    Inventor: Armin Croft Elsaesser
  • Patent number: 7915188
    Abstract: A useable particulate nepheline syenite having a grain size to provide an Einlehner Abrasive Value of less than about 100 is described. The particulate nepheline syenite is generally free from agglomeration and moisture free. At least 99% of the nepheline syenite particles have a size less than 10 microns. In practice, the nepheline syenite grain size is less than about 5 microns and the distribution profile of the particulate system is generally 4-5 microns.
    Type: Grant
    Filed: April 4, 2008
    Date of Patent: March 29, 2011
    Assignee: Unimin Corporation
    Inventors: Jerry William Janik, Scott Van Remortel
  • Patent number: 7825053
    Abstract: Sintered, spherical composite pellets or particles comprising alumina fines, at least one of clay and bauxite and optionally a sintering aid, are described, along with a process for their manufacture. The use of such pellets in hydraulic fracturing of subterranean formations and in grinding is also described.
    Type: Grant
    Filed: January 25, 2010
    Date of Patent: November 2, 2010
    Assignee: Carbo Ceramics Inc.
    Inventors: Robert Duenckel, Mark Edmunds, Steve Canova, Benjamin Eldred, Brett Allen Wilson
  • Patent number: 7789960
    Abstract: A clay plaster formulation and application. The clay plaster is a mixture of various clays, and aggregate. This plaster is both functional and decorative and is for use on new and existing construction.
    Type: Grant
    Filed: February 3, 2009
    Date of Patent: September 7, 2010
    Inventor: Armin Croft Elsaesser
  • Publication number: 20100204035
    Abstract: A blend of ball clays for use as the ball clay component of a slip to produce a ceramic sanitary ware item by a slip casting process. The clay blend including 20-50 percent of a fine-grained ball clay with a low carbon content and 45-55 percent of its particles having a size less than 0.5 microns and about 85-95 percent of the particles less than about 20 microns.
    Type: Application
    Filed: January 4, 2010
    Publication date: August 12, 2010
    Inventors: Victor Manuel Palacios Villanueva, Garry F. Webb
  • Patent number: 7722520
    Abstract: The compound is a clay aqueous suspension made of at least one 2:1 layer phyllosilicate clay mineral, at least one 1:1 layer phyllosilicate clay mineral, and water that can be used to sequester asbestos, such as chrysotile, as well as dust and other fibrous particles, at all scales of contamination.
    Type: Grant
    Filed: June 13, 2008
    Date of Patent: May 25, 2010
    Assignee: George Mason University
    Inventors: Mark P. S. Krekeler, Jillian G. Lepp, Cynthia Tselepis, Ryan B. Wantz
  • Patent number: 7708957
    Abstract: A chemical processing apparatus that utilizes a ceramic media sintered at a lower temperature than the apparatus' maximum exposure temperature is described. The media's physical and chemical properties may contribute to its thermal stability when exposed to temperatures that exceed the media's sintering temperature by at least 50° C.
    Type: Grant
    Filed: April 7, 2008
    Date of Patent: May 4, 2010
    Assignee: Saint-Gobain Ceramics & Plastics Inc.
    Inventor: John Stewart Reid
  • Patent number: 7678723
    Abstract: Sintered, spherical composite pellets or particles comprising alumina fines, at least one of clay and bauxite and optionally a sintering aid, are described, along with a process for their manufacture. The use of such pellets in hydraulic fracturing of subterranean formations and in grinding is also described.
    Type: Grant
    Filed: May 19, 2008
    Date of Patent: March 16, 2010
    Assignee: Carbo Ceramics, Inc.
    Inventors: Robert Duenckel, Mark Edmunds, Steve Canova, Benjamin Eldred, Brett Allen Wilson
  • Publication number: 20090239075
    Abstract: Provided is a ceramic ball, comprising a core portion and a sphere portion; wherein said core portion is made of clinkers and raw materials; said clinkers are made of kaolinite and feldspar, industrial waste ceramics or a combination thereof; said raw materials are made of kaolinite and feldspar; a weight ratio between the clinkers and the raw materials in said core portion is 1-2:2-3; and a weight ratio between said kaolinite and said feldspar is 5-7.5:1-2.5. A method for producing a ceramic ball is also provided. The invention features low energy consumption, good pressure resistant performance, shock resistance property and long lifetime.
    Type: Application
    Filed: December 23, 2008
    Publication date: September 24, 2009
    Inventor: Feiming LAN
  • Publication number: 20090136740
    Abstract: A composite article includes a substrate and a layer attached to the substrate. The layer includes a metal phase, a first ceramic phase, and a second ceramic phase.
    Type: Application
    Filed: November 28, 2007
    Publication date: May 28, 2009
    Inventors: George H. Reynolds, Christopher W. Strock
  • Patent number: 7534736
    Abstract: 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: Grant
    Filed: May 25, 2005
    Date of Patent: May 19, 2009
    Assignee: Imerys Kaolin, Inc.
    Inventors: Edward Sare, James Stacey Johnson
  • Patent number: 7485186
    Abstract: A clay plaster formulation and application. The clay plaster is a mixture of various clays, and aggregate. This plaster is both functional and decorative and is for use on new and existing construction.
    Type: Grant
    Filed: June 17, 2003
    Date of Patent: February 3, 2009
    Assignee: American Clay Enterprises, LLC
    Inventor: Armin Croft Elsaesser
  • Publication number: 20080300129
    Abstract: The present invention relates to a method of producing a ceramic material comprising the steps of: a) mixing a first clay composition comprising silica and a silicate mineral with a second clay composition; and b) firing the mixed clay composition from step a) to form a ceramic product. The present invention also relates to an engobe clay composition, sanitary ware and methods of productions thereof.
    Type: Application
    Filed: August 4, 2008
    Publication date: December 4, 2008
    Applicant: Caroma Insdustries Limited
    Inventor: Emile Saleh
  • Patent number: 7442663
    Abstract: There is disclosed a ceramic clay obtained by kneading a forming material containing a ceramic forming material, wherein the forming material contains layered double hydroxide, in addition to the ceramic forming material, at a ratio of 0.5 to 50% by mass with respect to a total with the ceramic forming material, and hardness measured by an NGK clay hardness meter is set to 4 to 18 mm. A high-strength honeycomb structure can be obtained capable of preventing or inhibiting pollution and global warming when used in manufacturing a ceramic structure, and having few defects such as cracks.
    Type: Grant
    Filed: August 9, 2005
    Date of Patent: October 28, 2008
    Assignee: NGK Insulators, Ltd.
    Inventor: Takahiro Tomita
  • Patent number: 7402543
    Abstract: The present invention relates to a decorative refractory tile and it's method of use. This decorative tile utilizes a specially formulated clay body that undergoes dehydration and vitrification by firing in a specific manner with respect to temperature, time and rate of temperature increase. This thin, refractory tile has a high thermal conductivity, high structural strength able to maintain a minimal of cracking, distortion and spalling under rapid temperature changes and possesses a high resistance to erosion from ash-laden gases encountered in a conventional fireplace. This tile can be colored with heat resistant glazes, stains and oxides and sized or shaped within certain dimensional ranges, so as allow it to present patterns, designs or even pictures on the sides, floor and back of the firebox. When this tile is crafted by one with an artistic flair, and affixed to the walls, floor or sides of a firebox, aesthetically favorable fireplaces can be created.
    Type: Grant
    Filed: December 29, 2004
    Date of Patent: July 22, 2008
    Inventor: Ruth Frances Greenberg
  • Publication number: 20080161179
    Abstract: A non-porous, non-corrosive, impact-resistant ceramic composition; a method of making the ceramic composition; a method of making a ceramic article from the ceramic composition; and a ceramic article made from the ceramic composition are disclosed; wherein the ceramic composition preferably comprises 40.68 percent by volume of water; 0.57 percent by volume of glucose syrup; 4.52 percent by volume of oak sawdust; 0.57 percent by volume of soda ash; 0.57 percent by volume of sodium silicate; 1.69 percent by volume of corundum; 20.34 percent by volume of Alberta; 20.34 percent by volume of Tennessee ball clay; 4.52 percent by volume of kaolinite; 2.26 percent by volume of feldspar; 2.26 percent by volume of borax; and 1.69 percent by volume of kyanite.
    Type: Application
    Filed: March 18, 2008
    Publication date: July 3, 2008
    Applicant: CERAMIC CONTAINMENT LLC
    Inventor: Kathleen N. Baker
  • Patent number: 7354879
    Abstract: A chemical processing apparatus that utilizes a ceramic media sintered at a lower temperature than the apparatus' maximum exposure temperature is described. The media's physical and chemical properties may contribute to its thermal stability when exposed to temperatures that exceed the media's sintering temperature by at least 50° C.
    Type: Grant
    Filed: January 5, 2006
    Date of Patent: April 8, 2008
    Assignee: Saint-Gobain Ceramics & Plastics, Inc.
    Inventor: John Stewart Reid
  • Patent number: 7323429
    Abstract: A method for pacifying the spent bed material resulting from the synthesis of organohalosilanes and halosilanes by mixing clay with spent bed material. Clay compositions containing at least 10 weight % of clay and spent bed material, as well as ceramic compositions containing spent bed material, are also provided.
    Type: Grant
    Filed: December 5, 2001
    Date of Patent: January 29, 2008
    Assignee: Dow Corning Limited
    Inventor: Hagen Demes
  • Patent number: 7105466
    Abstract: A clay slurry with a solids content of at least about 60 weight percent and a casting rate of at least 60 grams per hour, wherein the slurry contains from about 68 to about 74 weight percent of silica and less than about 0.8 percent of carbon. At least about 9 weight percent of the particles in the slurry are larger than about 44 microns, and at least about 5 weight percent of the particles in said slurry are larger than about 74 microns.
    Type: Grant
    Filed: July 25, 2005
    Date of Patent: September 12, 2006
    Assignee: H.C. Spinks Clay Company, Inc.
    Inventor: Ronald J. Thomas
  • Patent number: 7091148
    Abstract: A clay slurry with a solids content of at least about 60 weight percent and a casting rate of at least 60 grams per hour, wherein the slurry contains from about 68 to about 74 weight percent of silica and less than about 0.8 percent of carbon. At least about 9 weight percent of the particles in the slurry are larger than about 44 microns, and at least about 5 weight percent of the particles in said slurry are larger than about 74 microns.
    Type: Grant
    Filed: July 26, 2004
    Date of Patent: August 15, 2006
    Assignee: H.C. Spinks Clay Company, Inc.
    Inventor: Ronald J Thomas
  • Patent number: 6919289
    Abstract: Methods and compositions are provided for making low temperature sintering ceramic bodies that have very low thermal expansion and low porosity.
    Type: Grant
    Filed: October 5, 2004
    Date of Patent: July 19, 2005
    Assignee: Carlisle FoodService Products, Incorporated
    Inventor: Gerard E. Parker
  • Patent number: 6872677
    Abstract: A brick additive and methods for using the brick additive are disclosed. The additive may include an internal porosity. The internal porosity may display an intra-granular internal porosity in which at least some of the pores are interconnected via an open network of pore spaces. In some embodiments, the additive is capable of maintaining its internal porosity after undergoing thermal modification via calcination, for example. In addition, brick additives of the present invention may display a large surface area.
    Type: Grant
    Filed: October 2, 2002
    Date of Patent: March 29, 2005
    Assignee: Oil Dri Corporation
    Inventors: Verlyn R. Roskam, Marc A. Herpfer, Allan S. Lee
  • Patent number: 6846768
    Abstract: Methods and compositions are provided for making low temperature sintering ceramic bodies that have very low thermal expansion and low porosity.
    Type: Grant
    Filed: March 26, 2003
    Date of Patent: January 25, 2005
    Assignee: Carlisle FoodService Products, Incorporated
    Inventor: Gerard E. Parker
  • Patent number: 6824877
    Abstract: A clay composition comprises, in parts by weight on oxide basis, 10-15% Al2O3, 50-85% SiO2, 0-12.5% B2O3 and 10-20% metal oxides of the form RO or R2O.
    Type: Grant
    Filed: August 29, 2002
    Date of Patent: November 30, 2004
    Inventor: John Howard Groth
  • Publication number: 20040067840
    Abstract: A brick additive and methods for using the brick additive are disclosed. The additive may include an internal porosity. The internal porosity may display an intra-granular internal porosity in which at least some of the pores are interconnected via an open network of pore spaces. In some embodiments, the additive is capable of maintaining its internal porosity after undergoing thermal modification via calcination, for example. In addition, brick additives of the present invention may display a large surface area.
    Type: Application
    Filed: October 2, 2002
    Publication date: April 8, 2004
    Inventors: Verlyn R. Roskam, Marc A. Herpfer, Allan S. Lee
  • Patent number: 6703337
    Abstract: Ceramic media made using ceramic components comprising from 5 to 60% by weight of spodumene and 95 to 40 wt % of other ceramic-forming components comprising clay and feldspar have a reduced tendency to shrink upon firing to form the media and improved physical properties.
    Type: Grant
    Filed: May 15, 2002
    Date of Patent: March 9, 2004
    Assignee: Saint-Gobain Corporation
    Inventors: John S. Reid, Thomas Szymanski, Anne Hardy, James Salvatore, Michael J. Mangaudis
  • Patent number: 6696377
    Abstract: A process for preparing a ball clay slurry with a casting rate of at least about 50, a modulus of rupture of at least 500 pounds per square inch, and from about 0.1 to about 1.0 weight percent of organic polyelectrolyte. In this process, a digested lignite material is mixed with a lignitic coarse clay, a nonlignitic coarse clay, a lignitic fine clay, and a polyelectrolyte dispersing agent.
    Type: Grant
    Filed: October 18, 2001
    Date of Patent: February 24, 2004
    Assignee: H. C. Spinks Clay Company Inc.
    Inventor: Ronald J. Thomas
  • Publication number: 20040029713
    Abstract: A method for pacifying the spent bed material resulting from the synthesis of organohalosilanes and halosilanes by mixing clay with spent bed material. Clay compositions containing at least 10 weight % of clay and spent bed material, as well as ceramic compositions containing spent bed material, are also provided.
    Type: Application
    Filed: May 30, 2003
    Publication date: February 12, 2004
    Inventor: Hagan Demes
  • Publication number: 20030230217
    Abstract: A clay plaster formulation and application. The clay plaster is a mixture of various clays, and aggregate. This plaster is both functional and decorative and is for use on new and existing construction.
    Type: Application
    Filed: June 17, 2003
    Publication date: December 18, 2003
    Inventor: Armin Croft Elsaesser
  • Patent number: 6475941
    Abstract: A process is described for producing porcelain, in particular high-strength porcelain and a ceramic insulator. To produce the porcelain, calcined bauxite is used instead of alumina. The simultaneous addition of clay and kaolin, in each case containing more than 5% by weight of foreign metal oxide inclusions, results in a porcelain which, compared to an alumina porcelain of the same mechanical strength, can be produced at significantly lower cost. The porcelain is suitable in particular for applications for highly mechanically loaded components used in electrical insulation.
    Type: Grant
    Filed: March 4, 2002
    Date of Patent: November 5, 2002
    Assignee: Siemens Aktiengesellschaft
    Inventor: Johannes Liebermann
  • Publication number: 20020155943
    Abstract: A process is described for producing porcelain, in particular high-strength porcelain and a ceramic insulator. To produce the porcelain, calcined bauxite is used instead of alumina. The simultaneous addition of clay and kaolin, in each case containing more than 5% by weight of foreign metal oxide inclusions, results in a porcelain which, compared to an alumina porcelain of the same mechanical strength, can be produced at significantly lower cost. The porcelain is suitable in particular for applications for highly mechanically loaded components used in electrical insulation.
    Type: Application
    Filed: March 4, 2002
    Publication date: October 24, 2002
    Inventor: Johannes Liebermann
  • Patent number: 6420292
    Abstract: This invention relates to a method for treating various kinds of drain water and waste liquid which treatment now becomes a problem, for example, drain water and waste liquid containing hardly removable phosphorus and nitrogen, waste liquid containing organochlorine compounds such as tetrachloroethylene, etc., excretive drain water from a piggery containing organonitrogen compounds at a high level, waste liquid containing heavy metals such as lead, hexavalent chromium, cadmium and the like, drain water from dairy product plants, fishery processing plants, slaughterhouses, etc. which contains water soluble protein at a high level, drain water from pulp plants, photo developing waste liquid, car wash drain water containing a mixture of car polishing wax and detergent and the like by the use of porous ceramics provided with amorphous pore surfaces.
    Type: Grant
    Filed: February 29, 2000
    Date of Patent: July 16, 2002
    Assignee: Shun'ichi Kumaoka
    Inventor: Shun'ichi Kumaoka
  • Patent number: 6290771
    Abstract: The activated kaolin powder compound is prepared from naturally-existing kaolin (hereinafter “natural kaolin”). The activated kaolin powder compound is prepared by heating natural kaolin to 480° C. within at most one hour, calcinating the heated natural kaolin at high temperature by heating in the range of 800˜950° C. over at least 15 minutes, quenching the calcinated kaolin with water or air, and pulverizing the quenched activated kaolin to give powder having particle sizes of 2 &mgr;m or less, wherein the natural kaolin is primarily composed of halloysite (Al2O3.2SiO2.4H2O). The activated kaolin powder compound is employed in an amount of about 5 to 15% by weight of cement for preparing mortar or cement. The cement composition containing the activated kaolin powder compound can provide a mortar or concrete having excellent properties in compressive strength, flexural strength and water permeability.
    Type: Grant
    Filed: March 9, 1999
    Date of Patent: September 18, 2001
    Inventors: Moon Han Kim, Hey Zoo Hwang, Jung Ha Hwang, Hee Sung Cha, Kwang Choon Kim, Jong Kuk Lee
  • Patent number: 6251814
    Abstract: This invention provides a light-weight pottery article with lower specific gravity than that of general pottery as well as a process for producing the same. The light-weight pottery article of the invention is produced by adding a lightening agent to clay based on silica and alumina, forming the resulting kneaded material into a desired form and calcinating the formed material, wherein the lightening agent is microspherical hollow ceramic powder having a hollow structure based on silica and alumina, the surface of said hollow ceramic powder is coated with an inorganic coating layer based on a silicate compound (e.g. sodium silicate, potassium silicate etc.), said hollow ceramic powder is contained in such a state as to be uniformly dispersed at a proportion of 20 to 80% by weight in the base materials, and in said base materials there is a structure in which the neighboring hollow ceramic powders have been integrated with one another via said inorganic coating layer.
    Type: Grant
    Filed: January 26, 2000
    Date of Patent: June 26, 2001
    Inventor: Tadashi Kawai