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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
8663427 Addition of endothermic fire retardants to provide near neutral pH pulp fiber webs Mar. 4, 2014
8613832 Process for the production of paper Dec. 24, 2013
8568565 Silica-based sols Oct. 29, 2013
RE44519 Starch compositions and methods for use in papermaking Oct. 8, 2013
8460512 Paper with improved stiffness and bulk and method for making same Jun. 11, 2013
8460513 Addition of endothermic fire retardants to provide near neutral pH pulp fiber webs Jun. 11, 2013
8398821 Fibrous structures comprising a low surface energy additive Mar. 19, 2013
8354003 Reinforced porous fibre product Jan. 15, 2013
8343311 Method for producing paper and cardboard Jan. 1, 2013
8273216 Process for the production of paper Sep. 25, 2012
8197642 Inorganic board and method for manufacturing the same Jun. 12, 2012
8133352 Method and apparatus for reducing impurities in cellulose fibers for manufacture of fiber reinforced cement composite materials Mar. 13, 2012
8118976 Process for the production of a cellulosic product Feb. 21, 2012
8097127 Siliceous composition and its use in papermaking Jan. 17, 2012
8092587 Stable aqueous dispersions of precipitated silica Jan. 10, 2012
8038846 Composition and method for paper processing Oct. 18, 2011
8025768 Latex-treated filler slurries for use in papermaking Sep. 27, 2011
8016979 Chemical solution-containing thin paper Sep. 13, 2011
8003707 Metal-rich siliceous compositions and methods of producing same Aug. 23, 2011
7981250 Method for paper processing Jul. 19, 2011
7976679 Fibrous structures comprising a low surface energy additive Jul. 12, 2011
7955473 Process for the production of paper Jun. 7, 2011
7918965 Method for the production of paper, cardboard and card Apr. 5, 2011
7892398 Sizing of paper Feb. 22, 2011
7815771 Process for the manufacture of paper and board Oct. 19, 2010
7815774 Elements made by paper-making technique for the production of molded articles and production method thereof Oct. 19, 2010
7776179 Fire-retardant, method for manufacturing fire-retardant cellulose-based Aug. 17, 2010
7691234 Aqueous composition Apr. 6, 2010
7670460 Production of paper using slica-based-sols Mar. 2, 2010
7662306 Polysilicate microgels Feb. 16, 2010
7608644 Aqueous silica-containing composition Oct. 27, 2009
7597781 Inorganic fiber paper Oct. 6, 2009
7541014 Pyrogenically produced silica Jun. 2, 2009
7534409 Pyrogenic silicon dioxide powder and dispersion thereof May. 19, 2009
7504001 Method for producing paper and agent for improving yield Mar. 17, 2009
7503999 Member for producing castings Mar. 17, 2009
7494565 Use of starch with synthetic metal silicates for improving a papermaking process Feb. 24, 2009
7488402 Process for production of paper Feb. 10, 2009
7473333 Process for making coated paper or paperboard Jan. 6, 2009
7470346 Aqueous compositions and their use in the manufacture of paper and paperboard Dec. 30, 2008
7459059 Use of synthetic metal silicates for increasing retention and drainage during a papermaking process Dec. 2, 2008
7449086 Use of synthetic metal silicates for decreasing the deposition of contaminants during a papermaking process Nov. 11, 2008
7442280 Process for the production of paper Oct. 28, 2008
7399379 Process of attaching reinforcing ply to ply containing mica-rich and mica-poor faces Jul. 15, 2008
7364641 Manufacture of paper and paper board Apr. 29, 2008
7306701 Production of paper, board and cardboard Dec. 11, 2007
7201826 High performance natural zeolite microparticle retention aid for papermaking Apr. 10, 2007
7175741 Reducing odor in absorbent products Feb. 13, 2007
7169261 Silica-based sols Jan. 30, 2007
7087360 Package structure of planographic printing plates and interleaf paper for packaging the same Aug. 8, 2006

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