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Class Information
Number: 501/145
Name: Compositions: ceramic > Ceramic compositions > Clay containing (e.g., porcelain, earthenware, etc.) > Clay pretreatment
Description: Processes for treating clay directed to the enhancement of its properties when subsequently used as a component of a ceramic composition.










Sub-classes under this class:

Class Number Class Name Patents
501/146 Chemical pretreatment 125
501/150 Heat pretreatment 51
501/149 Water pretreatment 64


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
6290771 Activated koalin powder compound for mixing with cement and method of preparing the same Sep. 18, 2001
6287634 Intercalates and exfoliates formed with monomeric ethers and esters; composite materials containing same methods of modifying rheology therewith Sep. 11, 2001
6271157 Formulations based on water soluble compounds of titanium and chromium combined with antimony or tungsten or mixtures thereof suitable for coloring ceramic manufactured articles and relevant h Aug. 7, 2001
6252020 Method for forming nanocomposites Jun. 26, 2001
6156284 Processing procedure for transforming previously unusable clays and kaolin clays to low viscosity pigment Dec. 5, 2000
6126734 Intercalates and exfoliates formed with hydroxyl-functional; polyhydroxyl-functional; and aromatic compounds; composite materials containing same and methods of modifying rheology therewith Oct. 3, 2000
6083559 Intercalates and exfoliates formed with hydroxyl-functional; polyhydroxyl-functional; and aromatic compounds; composite materials containing same and methods of modifying rheology therewith Jul. 4, 2000
6045657 Clay compositions and their use in paper making Apr. 4, 2000
6024790 Activation of swelling clays Feb. 15, 2000
5976241 Activated kaolin powder compound for mixing with cement and method of preparing the same Nov. 2, 1999
5972263 Process for producing clay compositions for use in slip casting Oct. 26, 1999
5891236 Process for improving the color and brightness of discolored goethite-containing materials Apr. 6, 1999
5891326 Process for removing impurities from kaolin clays Apr. 6, 1999
5868829 Methods of manufacturing hydraulic materials Feb. 9, 1999
5830528 Intercalates and exfoliates formed with hydroxyl-functional; polyhydroxyl-functional; and aromatic compounds; composites materials containing same and methods of modifying rheology therewith Nov. 3, 1998
5743952 Aqueous suspensions of inorganic materials Apr. 28, 1998
5731034 Method of coating paper Mar. 24, 1998
5713998 Method for producing high opacifying kaolin pigment Feb. 3, 1998
5674315 Process for preparing a meta-kaolin white pigment from kaolinite Oct. 7, 1997
5624488 Ultrahigh brightness calcined clay pigment, manufacture & use thereof Apr. 29, 1997
5591256 High performance synthetic alkali metal alumino-silicate, methods and uses, compositions and high solids reaction methods of their preparation Jan. 7, 1997
5545599 Process for whitening kaolin Aug. 13, 1996
5543372 Stable high solids slurries of structured clay materials and process for the manufacture thereof Aug. 6, 1996
5529622 Process for treatment of clay for use as a paper coating pigment Jun. 25, 1996
5522924 Method for producing high brightness low abrasion calcined kaolin pigment Jun. 4, 1996
5458680 Method of producing aggregated composite pigments using organic silicon compounds Oct. 17, 1995
5454865 Method for preparing refined kaolin in clay products Oct. 3, 1995
5411587 Paper coating kaolin pigments their preparation and use May. 2, 1995
5407480 Stabilized, high solids, low viscosity smectite slurries, and method of preparation Apr. 18, 1995
5393716 Process for producing anti-blocking compositions Feb. 28, 1995
5391228 Method for preparing high solids bentonite slurries Feb. 21, 1995
5371051 Method for producing high opacifying kaolin pigment Dec. 6, 1994
5342443 Method for bleaching kaolin clay Aug. 30, 1994
5308808 Organic or organometallic template mediated clay synthesis May. 3, 1994
5300676 Herbicidal fluorine-substituted alpha-(5-aryloxynaphthalen-1-yl-oxy)-propionic acid derivatives Apr. 5, 1994
5298066 Method of producing aggregated kaolinite pigment using organic silicon compounds Mar. 29, 1994
5266538 Method for preparing high solids bentonite slurries Nov. 30, 1993
5266539 Process for the deferrization of kaolin, quartzose sand, paper filler, white pigment, pumice and electronics materials Nov. 30, 1993
5248641 Process for producing bentonite clays exhibiting enhanced solution viscosity properties Sep. 28, 1993
5232495 Method of producing aggregated kaolinite pigment using organic silicon compounds Aug. 3, 1993
5227349 Process for producing a kaolin clay product Jul. 13, 1993
5223463 Process for producing a kaolin clay product Jun. 29, 1993
5190900 Process for removing iron from kaolin, quartz and other mineral concentrates of industrial interest Mar. 2, 1993
5186746 High performance sams pigments of low oil, absorption, preparation, properties and end-use applications Feb. 16, 1993
5169443 Paper coating kaolin pigments there preparation and use Dec. 8, 1992
5167707 High performance coarse particle size SAMS pigments for paint and plastics applications Dec. 1, 1992
5151124 Method for forming aggregated kaolin pigment Sep. 29, 1992
5137574 Method for producing high opacifying kaolin pigment Aug. 11, 1992
5112782 Cationically processed calcined kaolin clay May. 12, 1992
5096598 Pressurized purging of a liquid drain for a vacuum system Mar. 17, 1992

1 2 3










 
 
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