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Class Information
Number: 521/110
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Cellular products or processes of preparing a cellular product, e.g., foams, pores, channels, etc. > Cellular product formation prior to or during solid polymer formation in the presence of a stated ingredient other than water > Ingredient contains a silicon atom as part an organic compound
Description: Subject matter wherein the stated ingredient is an organic compound containing at least one silicon atom.


Sub-classes under this class:

Class Number Class Name Patents
521/111 Organic silicon atom compound contains an atom other than oxygen, hydrogen, silicon, or carbon 120
521/112 Organic silicon compound contains an ether group 250


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7393879 High resilient silicone foam and process for preparing same Jul. 1, 2008
7378454 Polyurethane composition and polishing pad May. 27, 2008
7309722 Composition for forming porous film, porous film and method for forming the same, interlevel insulator film, and semiconductor device Dec. 18, 2007
7285578 Water-in-oil emulsion composition for forming silicone elastomer porous material Oct. 23, 2007
7268169 Silicone elastomer porous body Sep. 11, 2007
7098255 Process for producing polyurethane foam Aug. 29, 2006
7066724 Apparatus for flatproofing a tire and wheel assembly Jun. 27, 2006
7026365 Polymer nanocomposite foams Apr. 11, 2006
6890966 Process for the production of a lightweight cold urethane May. 10, 2005
6841586 Felted hydrophilic ester polyurethane foams Jan. 11, 2005
6841584 Reinforced phenolic foam Jan. 11, 2005
6818674 Elastic member and image formation equipment Nov. 16, 2004
6787580 Water-free preparation process for multimodal thermoplastic polymer foam and foam therefrom Sep. 7, 2004
6777455 Process for producing polyurethane foam Aug. 17, 2004
6759446 Polymer nanocomposite foams Jul. 6, 2004
6756416 Hydrophilic ester polyurethane foams Jun. 29, 2004
6660780 Molecularly-imprinted material made by template-directed synthesis Dec. 9, 2003
6653361 Flame retardant polyurethane composition and method of manufacture thereof Nov. 25, 2003
6638986 Preparation of in situ-reticulated flexible polyurethane foams Oct. 28, 2003
6583191 Molecularly-imprinted material made by template-directed synthesis Jun. 24, 2003
6541530 Urethane-modified polyisocyanurate foam Apr. 1, 2003
6518324 Polymer foam containing nanoclay Feb. 11, 2003
6506810 Use of mixtures of organofunctionally modified polysiloxanes with branched alcohols in the production of flexible polyurethane foams Jan. 14, 2003
6458859 Semiconductive silicone rubber composition and silicone rubber roll Oct. 1, 2002
6451866 Spongy rubber body Sep. 17, 2002
6432335 Process for flexible cellular material preparation Aug. 13, 2002
RE37711 Enol-ether capped polyethers and surfactants produced therefrom May. 21, 2002
6310110 Molecularly-imprinted material made by template-directed synthesis Oct. 30, 2001
6303669 Flexible polyurethane foam Oct. 16, 2001
6124369 Process for producing organosilicon resin, and process for producing polyurethane foam by using the organosilicon resin obtained by that process Sep. 26, 2000
6100359 Ablative polyurea foam and prepolymer Aug. 8, 2000
6080800 Aqueous wax dispersions as cell openers in making polyurethane flexible foams Jun. 27, 2000
6043290 Dimensional stabilizing, cell opening additives for polyurethane flexible foams Mar. 28, 2000
6031012 Curable composition, foam produced therefrom, and process for producing the foam Feb. 29, 2000
RE36358 Flame retardant polyurethane foams Oct. 26, 1999
5854296 Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and tetramethylsilane Dec. 29, 1998
5847014 Water blown, energy absorbing foams Dec. 8, 1998
5844009 Cross-linked low-density polymer foam Dec. 1, 1998
5786398 Manufacture of insulating foams containing film forming additives Jul. 28, 1998
5773484 Enol-ether capped polyethers and surfactants produced therefrom Jun. 30, 1998
5744508 Foamable silicone rubber composition Apr. 28, 1998
5716548 Polyurethane SRIM compositions having internal mold release properties Feb. 10, 1998
5716541 Azeotrope-like compositions of 1,1,1,3,3 pentafluoropropane and tetramethylsilane Feb. 10, 1998
5700869 Polyurethane compositions having internal mold release properties Dec. 23, 1997
5690855 Polyol blend, cellular polyurethane foam product made therefrom, and halogenated hydrocarbon-free process therefor Nov. 25, 1997
5686187 Molded polyurethane SRIM articles Nov. 11, 1997
5686526 Process of making molded polyurethane articles Nov. 11, 1997
5652276 Foaming resin composition, plastic foam formed from the composition, and method for forming the plastic foam Jul. 29, 1997
5633292 Method for producing cold polyurethane foams May. 27, 1997
5605762 Polyurethane SRIM compositions having internal mold release properties Feb. 25, 1997

1 2 3 4 5


 
 
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