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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
4746334 Poly(disubstituted acetylene)/polyorganosiloxane graftcopolymer and membrane for gas separation May. 24, 1988
4738988 Non-settling foams Apr. 19, 1988
4737575 Process for the production of epoxy silicate products Apr. 12, 1988
4734440 Foamable compositions Mar. 29, 1988
4720511 Nonreactive class of surfactants for foaming agents in plastics Jan. 19, 1988
4719249 Intumescent foamable compositions Jan. 12, 1988
4719243 Organosiloxane foams Jan. 12, 1988
4705810 Blowing agent admixture for foamable organopolysiloxane compositions Nov. 10, 1987
4704408 Process for the manufacture of a silicone foam Nov. 3, 1987
4702868 Moldable silane-crosslinked polyolefin foam beads Oct. 27, 1987
4695597 Organopolysiloxane composition for fire-resistant foamed silicone rubber Sep. 22, 1987
4695595 Process for the production of cellular organic silicate products Sep. 22, 1987
4694025 Alcohol control of lightly crosslinked foamed polymer production Sep. 15, 1987
4694030 Intumescent polysiloxane molding compositions Sep. 15, 1987
4692474 Method for preparing plastic foams Sep. 8, 1987
4689355 Crosslinked silane-functional vinylidene chloride polymer and films or foams therefrom Aug. 25, 1987
4686244 Intumescent foamable compositions Aug. 11, 1987
4681715 Steam expandable polymeric composition and method Jul. 21, 1987
4663360 Steam expandable polymeric composition and method May. 5, 1987
4663363 Process for the production of epoxy silicate products May. 5, 1987
4647618 Method of producing a silicone water-based elastomer Mar. 3, 1987
4634733 Method of producing a silicone water-based elastomer Jan. 6, 1987
4631296 Method of producing a silicone water-based elastomer Dec. 23, 1986
4631299 Burn resistant organopolysiloxane foams Dec. 23, 1986
4629745 Expandable polyetherimide compositions and foamed materials obtained therefrom Dec. 16, 1986
4624969 Crosslinked silane-functional vinylidene chloride polymer and films or foams therefrom Nov. 25, 1986
4618645 Method of producing aqueous latex of crosslinked polydiorganosiloxane Oct. 21, 1986
4613630 Water-blown silicone foam Sep. 23, 1986
4608395 Silicone sponge rubber composition Aug. 26, 1986
4608396 Method of producing elastomeric silicone foam Aug. 26, 1986
4607060 Foaming and crosslinking of elastomeric and/or thermoplastic polymers Aug. 19, 1986
4603177 Silicon-lactam blends and products obtained therefrom Jul. 29, 1986
4599367 Water-blown silicone foam Jul. 8, 1986
4593049 Method of producing elastomeric silicone foam Jun. 3, 1986
4591606 Polyolefin foam foamed with water and cross-linked with silane, and procedure for its manufacturing May. 27, 1986
4590220 Method of producing a silicone water-based elastomer May. 20, 1986
4590222 Lower density silicone elastomeric foam May. 20, 1986
4584324 Silicone foam, water-based, aerosol composition Apr. 22, 1986
4581383 Lightly crosslinked linear olefinic polymer foam blends and process for making Apr. 8, 1986
4572918 Foamable polyorganosiloxane compositions Feb. 25, 1986
4572917 Silicone wear base elastomeric foam Feb. 25, 1986
4567212 Nonslumping, foamable polyorganosiloxane compositions containing organosiloxane graft copolymers Jan. 28, 1986
4559369 Silicone foam, water-based, aerosol composition Dec. 17, 1985
4558093 Laser barrier Dec. 10, 1985
4555529 Foamable polyorganosiloxane compositions Nov. 26, 1985
4554296 Polyorganosiloxane compositions Nov. 19, 1985
4552905 Copolymer, a process for its preparation and its use as a sorbent Nov. 12, 1985
4552901 Nonslumping, foamable polyorganosiloxane compositions containing organosiloxane graft copolymers Nov. 12, 1985
4550125 Foamable polyorganosiloxane compositions Oct. 29, 1985
4548958 Nonslumping, foamable polyorganosiloxane compositions containing organosiloxane graft copolymers Oct. 22, 1985

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