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Class Information
Number: 521/154
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 derived from silicon containing reactant
Description: Subject matter involving a cellular polymer derived from at least one reactant which contains a silicon atom or process of preparing; composition containing a polymer derived from a reactant containing a silicon atom or containing a polymerizable reactant containing a silicon atom and which composition is capable of preparing a cellular product or processes of preparing same; processes of treating a cellular polymer derived from a silicon containing reactant with a material which neither reacts with the cellular polymer to change or modify chemical bonds therein or neither forms a desired composition with the cellular polymer or products of such a treatment; processes of treating a cellular polymer derived from a silicon containing polymer without the addition of a material thereto whereby a physical or chemical change in the polymer may be effected or products which are the result of such a treatment.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8642669 Foamable low-viscosity mixtures Feb. 4, 2014
8629193 Method for producing porous silicon molded bodies Jan. 14, 2014
8618183 Materials containing voids with void size controlled on the nanometer scale Dec. 31, 2013
8603681 Porous film material comprising at least one carbonaceous semimetal oxide phase, and use thereof as a separator material for electrochemical cells Dec. 10, 2013
8598245 Insulating materials comprising polysilazane, methods of forming such insulating materials, and precursor formulations comprising polysilazane Dec. 3, 2013
8580863 Soft foam, molded product, and shock absorber comprising the molded product Nov. 12, 2013
8569391 Ordered porous mesostructured materials from nanoparticle-block copolymer self-assembly Oct. 29, 2013
8563620 High purity silica monoliths and process for the synthesis thereof Oct. 22, 2013
8546458 Process for texturing materials Oct. 1, 2013
8530532 Hydrogel contact lenses having improved wettability Sep. 10, 2013
8519054 Crosslinkable thermoplastic olefin elastomers and crosslinked thermoset olefin elastomer obtained therefrom Aug. 27, 2013
8481604 Expandable polysiloxanes Jul. 9, 2013
8476330 Polyurethane foam containing synergistic surfactant combinations and process for making same Jul. 2, 2013
8471140 Porous silica precursor composition and method for preparing the precursor composition, porous silica film and method for preparing the porous silica film, semiconductor element, apparatus for Jun. 25, 2013
8470899 Silicone composition which is cross-linkable by dehydrogenative condensation in the presence of a non-metal catalyst Jun. 25, 2013
8455561 Method for the production of foams on silicone basis Jun. 4, 2013
8455562 Silicone composition suitable for cross-linking by dehydrogenative condensation in the presence of a non-metal catalyst Jun. 4, 2013
8415403 Mesoporous materials and reactants for preparing them Apr. 9, 2013
8389589 Nanoporous media with lamellar structures Mar. 5, 2013
8357628 Inorganic/organic hybrid totally porous metal oxide particles, methods for making them and separation devices using them Jan. 22, 2013
8329770 Silicon-containing foams Dec. 11, 2012
8283390 Siloxane block copolymer nanoporous foams, methods of manufacture thereof and articles comprising the same Oct. 9, 2012
8277719 Process for the preparation of auxetic foams Oct. 2, 2012
8268411 Materials containing voids with void size controlled on the nanometer scale Sep. 18, 2012
8222309 Elastomer porous material and method of producing the same Jul. 17, 2012
8217089 Elastomer porous material and method of producing the same Jul. 10, 2012
8217090 Elastomer porous material and method of producing the same Jul. 10, 2012
8188180 Binding agent May. 29, 2012
8182921 Self-adhesive expandable silicone compositions for the production of silicone foam composite parts May. 22, 2012
8173717 Silicone foams, process to make them and applications thereof May. 8, 2012
8143322 Pump and pumping system for microfluidic lab-on-a-chip using porous structure and fabricating method thereof Mar. 27, 2012
8080591 Method and device for fabricating aerogels and aerogel monoliths obtained thereby Dec. 20, 2011
8067478 Process for preparing polymer reinforced silica aerogels Nov. 29, 2011
8063114 Inorganic mesoporous material having chiral twisted structure and process for producing the same Nov. 22, 2011
7985423 Porous bodies and method of production thereof Jul. 26, 2011
7939615 Articles containing silicone compositions and methods of making such articles May. 10, 2011
7892635 Precursors for porous low-dielectric constant materials for use in electronic devices Feb. 22, 2011
7875658 Expansible mixtures devoid of isocyanates exhibiting improved fire behaviour Jan. 25, 2011
7838622 Dope and process for the production of fiber from the dope Nov. 23, 2010
7830082 Organic light emitting diode display with porous insulation film containing SiO Nov. 9, 2010
7776935 Water-in-oil emulsion composition for forming silicone elastomer porous material Aug. 17, 2010
7674838 Curable foam elastomeric compositions Mar. 9, 2010
7674840 Isocyanate-free expandable mixtures exhibiting a fast hardening rate Mar. 9, 2010
7517917 Composition for preparing nanoporous material comprising calixarene derivative Apr. 14, 2009
7482389 Nanoporous media with lamellar structures Jan. 27, 2009
7482391 Foaming RTV silicone compositions Jan. 27, 2009
7479509 Low dielectric organosilicate polymer composite Jan. 20, 2009
7479530 Polymer having charged units Jan. 20, 2009
7384988 Method and device for fabricating aerogels and aerogel monoliths obtained thereby Jun. 10, 2008
7341775 Composition for forming porous film, porous film and method for forming the same, interlevel insulator film, and semiconductor device Mar. 11, 2008

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