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Class Information
Number: 162/181.6
Name: Paper making and fiber liberation > Processes and products > Non-fiber additive > Inorganic > Silicon containing additive other than clay
Description: Subject matter comprising a silicon containing substance other than those substances considered to be clays.










Sub-classes under this class:

Class Number Class Name Patents
162/181.7 Alkali metal silicate 74


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
7070749 Doped precipitated silica Jul. 4, 2006
7060127 Silica-calcium carbonate composite particles Jun. 13, 2006
6977027 Additive and process for sticky control in recycled pulps Dec. 20, 2005
6893538 Process for the production of paper using silica-based sols May. 17, 2005
6890405 Method of controlling tackiness in papermaking May. 10, 2005
6890652 Decorative paper base with improved opacity May. 10, 2005
6887351 Process for regulating the porosity and printing properties of paper by use of colloidal precipitated calcium carbonate, and paper containing such colloidal precipitated calcium carbonate May. 3, 2005
6869471 Process for sizing paper and sizing composition Mar. 22, 2005
6855404 Inorganic sheet laminate Feb. 15, 2005
6824651 Talc composition and use in paper products Nov. 30, 2004
6808598 Water-decomposable fibrous sheet containing gel compound Oct. 26, 2004
6800267 Doped precipitated silica Oct. 5, 2004
6783631 Decorative paper with a high opacity Aug. 31, 2004
6740202 Speaker diaphragm and method of manufacturing same May. 25, 2004
6726807 Multi-phase calcium silicate hydrates, methods for their preparation, and improved paper and pigment products produced therewith Apr. 27, 2004
6716314 Method for making improved abrasion resistant overlays Apr. 6, 2004
6712934 Method for production of paper Mar. 30, 2004
6706148 Method for fixing a mineral filler on cellulosic fibers and method for making a sheet of paper Mar. 16, 2004
6702922 Papers for use in decorative laminates and methods of making the same Mar. 9, 2004
6685907 Process for producing silica particles suitable for use as filler for paper Feb. 3, 2004
6679973 High performance purified natural zeolite pigment for papermaking and paper coating Jan. 20, 2004
6676719 Aqueous dispersion, a process for the preparation and the use thereof Jan. 13, 2004
6673208 Polysilicate microgels and silica-based materials Jan. 6, 2004
6663683 Aqueous dispersions, process for their production, and their use Dec. 16, 2003
6623848 Water-absorbing polymers having interstitial compounds, a process for their production, and their use Sep. 23, 2003
6616806 Manufacture of paper and paperboard Sep. 9, 2003
6610136 Pigments for ink jet paper Aug. 26, 2003
6565646 Talc composition and use in paper products May. 20, 2003
6551456 Process to prepare synthetic fiber paper Apr. 22, 2003
6533897 Thermally and structurally stable noncombustible paper Mar. 18, 2003
6524440 Starch compositions and methods for use in papermaking Feb. 25, 2003
6524439 Manufacture of paper and paperboard Feb. 25, 2003
6517677 Method of improving retention and drainage in a papermaking process using low molecular weight cationic dispersion polymers Feb. 11, 2003
6494991 Paper products comprising filler materials preflocculated using starch granules and/or polymerized mineral networks Dec. 17, 2002
6486216 Stable colloidal silica aquasols Nov. 26, 2002
6475340 Solid phase extraction membrane Nov. 5, 2002
6464832 Method for optically brightening paper Oct. 15, 2002
6458244 Synthetic fiber paper Oct. 1, 2002
6454902 Manufacture of paper and paperboard Sep. 24, 2002
6451169 Structurally rigid polymer coagulants as retention and drainage aids in papermaking Sep. 17, 2002
6451170 Starch compositions and methods for use in papermaking Sep. 17, 2002
6444091 Structurally rigid nonionic and anionic polymers as retention and drainage aids in papermaking Sep. 3, 2002
6416626 Polyethylene glycol-containing paper Jul. 9, 2002
6416625 Manufacturing method of fluoro based composite boards Jul. 9, 2002
6413373 Process for producing silica particles suitable for use as filler for paper Jul. 2, 2002
6406594 Method for manufacturing paper products comprising polymerized mineral networks Jun. 18, 2002
6395134 Manufacture of paper and paperboard May. 28, 2002
6379500 Silica-based sols Apr. 30, 2002
6372089 Method of making paper Apr. 16, 2002
6372806 Method of making colloidal silica Apr. 16, 2002

1 2 3 4 5 6 7










 
 
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