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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
7338982 Functionalized mesoporous silicate structures, and related processes Mar. 4, 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
7205338 Composition for forming porous film, porous film and method for forming the same, interlevel insulator film, and semiconductor device Apr. 17, 2007
7067563 Binding agents and binding agent compositions containing alkoxy silyl groups, methods of production and use Jun. 27, 2006
6991678 Process for preparing microporous crystalline titanium silicate Jan. 31, 2006
6972313 Silicone composition which can be crosslinked into an adhesive and cushioning gel with microspheres Dec. 6, 2005
6967221 Hollow filler-containing silicone rubber and method of production Nov. 22, 2005
6933334 Silicone-cork ablative material Aug. 23, 2005
6890641 Low dielectric materials and methods of producing same May. 10, 2005
6855740 Foamed molded bodies made from silicon and use of said produced products Feb. 15, 2005
6818676 Foam cushion and method of making and using the same Nov. 16, 2004
6818673 Method for producing silicone foam utilizing a mechanical foaming agent Nov. 16, 2004
6790519 Moisture-induced poly(ethylene oxide) gel, method of making same and articles using same Sep. 14, 2004
6780499 Ordered two-phase dielectric film, and semiconductor device containing the same Aug. 24, 2004
6767930 Polyhedral oligomeric silsesquioxane polyimide composites Jul. 27, 2004
6660780 Molecularly-imprinted material made by template-directed synthesis Dec. 9, 2003
6627669 Low dielectric materials and methods of producing same Sep. 30, 2003
6586483 Foam including surface-modified nanoparticles Jul. 1, 2003
6583191 Molecularly-imprinted material made by template-directed synthesis Jun. 24, 2003
6576683 Aromatic polyimide foam Jun. 10, 2003
6552096 Hollow filler-containing silicone rubber and method of production Apr. 22, 2003
6506331 Method for the preparation of low specific gravity silicone rubber elastomers Jan. 14, 2003
6500874 Silicone rubber composition, silicone rubber sponge composition, and silicone rubber-covered wire Dec. 31, 2002
6498198 Fill for pillows and cushions Dec. 24, 2002
6458859 Semiconductive silicone rubber composition and silicone rubber roll Oct. 1, 2002
6451866 Spongy rubber body Sep. 17, 2002
6444715 Low dielectric materials and methods of producing same Sep. 3, 2002
6399210 Alkoxyhydridosiloxane resins Jun. 4, 2002
6399666 Insulative matrix material Jun. 4, 2002
6387971 Silicone rubber sponge composition and silicone rubber sponge obtained therefrom May. 14, 2002
6379689 Article for controlled and substantially uniform release of a volatile organic substance Apr. 30, 2002
6365640 Silicone rubber sponge composition and sponge articles therefrom Apr. 2, 2002
6359026 Method for producing silicone foams Mar. 19, 2002
6346556 Silicone rubber sponge composition, sponge, and process for making Feb. 12, 2002
6333364 Silicone rubber compositions Dec. 25, 2001
6310110 Molecularly-imprinted material made by template-directed synthesis Oct. 30, 2001
6300384 Silicone rubber sponge composition Oct. 9, 2001
6300383 Silicone rubber sponge composition, silicone rubber sponge, and process for making the sponge Oct. 9, 2001
6300382 Silicone rubber sponge composition and sponge articles therefrom Oct. 9, 2001
6288132 Organic gels Sep. 11, 2001
6271273 Porous materials Aug. 7, 2001
6271271 Method for obtaining foamed organosilicon compositions Aug. 7, 2001
6262137 Polymer articles including maleic anhydride and ethylene-vinyl acetate copolymers Jul. 17, 2001
6258737 Article and method for making complex shaped preform and silicon carbide composite by melt infiltration Jul. 10, 2001
6235801 Method of expanding a gel material May. 22, 2001
6225367 Polymers May. 1, 2001
6194476 Compressible silicone composition Feb. 27, 2001
6183764 Microbicide treated polymeric materials Feb. 6, 2001

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