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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
5041466 Method for the preparation of foamed and cured silicone rubber body Aug. 20, 1991
5034423 Inorganic-organic flame-retardant polyols Jul. 23, 1991
5034422 Low density, high temperature resistant polymeric bodies Jul. 23, 1991
5019295 Foamable silicone rubber composition May. 28, 1991
5017624 Reduction of silicone foam density using buffers May. 21, 1991
5011865 Reduction of silicone foam density using buffers Apr. 30, 1991
5010115 Silicone foams Apr. 23, 1991
5006584 Polydialkylsilalkylene polymer useful in enhanced oil recovery using carbon dioxide flooding Apr. 9, 1991
4987155 Foamable organopolysiloxane composition Jan. 22, 1991
4987157 Resins with high surface areas and porosities Jan. 22, 1991
4983642 Foamable silicone rubber composition and foamed silicone rubber body therefrom Jan. 8, 1991
4983641 Method for controlling the cure rate of silicone foam Jan. 8, 1991
4980384 Foamable silicone rubber composition and method for curing the same Dec. 25, 1990
4978705 Silicone rubber containing alkali metal salts of phosphoric acid and phosphorous acid and compositions therefor Dec. 18, 1990
4972001 Foaming organopolysiloxane composition and cured product thereof Nov. 20, 1990
4965296 Intumescent fire-retardant and electrically-conductive coating material Oct. 23, 1990
4959396 Composition for microporous separators and method for its preparation Sep. 25, 1990
4954533 Low viscosity silicone foam compositions Sep. 4, 1990
4952609 Acryl rubber foaming compositions and foamed acryl rubber Aug. 28, 1990
4947611 A wall material, and method of preparing a wall material of soils and vegetable materials Aug. 14, 1990
4943596 High strength silicone foam, and methods for making Jul. 24, 1990
4931485 Organopolysiloxane composition Jun. 5, 1990
4923906 Rigid, gas-permeable polysiloxane contact lenses May. 8, 1990
4920155 Organomineral foamed materials and processes for their preparation Apr. 24, 1990
4888217 Silicone foam masses Dec. 19, 1989
4879320 Intumescent fire-retardant coating material Nov. 7, 1989
4879317 Method for reducing silicone foam density and silicone foam compositions Nov. 7, 1989
4871782 Low viscosity silicone foam compositions Oct. 3, 1989
4871781 Polydiorganosiloxanes which can be cured to form elastomeric foams Oct. 3, 1989
4870111 Moldable silane-crosslinked polyolefin foam beads Sep. 26, 1989
4870115 Foamable silicone rubber composition Sep. 26, 1989
4867923 Process of producing foamed products Sep. 19, 1989
4861804 Compound type silicone gel material Aug. 29, 1989
4859712 Silicone foam and method for making it Aug. 22, 1989
4855328 Method for reducing silicone foam density Aug. 8, 1989
4853418 Polyurethane emulsion, sheet-like porous material making use of the emulsion and production process of the material Aug. 1, 1989
4851452 Method for reducing silicone foam density and silicone foam compositions Jul. 25, 1989
4840974 Method for reducing silicone foam density and silicone foam compositions Jun. 20, 1989
4833175 Mixing process May. 23, 1989
4812485 Ultraviolet-resistant noise-reducing member and method of making same Mar. 14, 1989
4810728 High strength silicone foam, and methods for making Mar. 7, 1989
4808634 Low density silicon foam Feb. 28, 1989
4801622 Curable and foamable organopolysiloxane composition Jan. 31, 1989
4795765 Process for the production of epoxy silicate products Jan. 3, 1989
4772516 Stable methylpolydisilylazane polymers Sep. 20, 1988
4769396 Process for the production of cellular organic silicate products Sep. 6, 1988
4767794 Low density silicone foam Aug. 30, 1988
4762859 Low density silicone foam Aug. 9, 1988
4762860 Alcohol control of lightly crosslinked foamed polymer production Aug. 9, 1988
4760098 Low density foams Jul. 26, 1988

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