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Class Information
Number: 521/100
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 is water settable inorganic composition
Description: Subject matter wherein the stated ingredient contains an inorganic material hardenable by hydration so to produce a solid mass, e.g., cement, concrete, plaster of Paris, etc.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8604093 Fire-resistant polyurethane foam and fabrication method thereof Dec. 10, 2013
8546457 Method for the production of abrasive foams Oct. 1, 2013
8026292 Cyanate-based, carbon-dioxide-filled structured foams and method for their production Sep. 27, 2011
7705062 Nanoporous organosilicas as pre-concentration materials for sensors Apr. 27, 2010
7473715 Two component (epoxy/amine) structural foam-in-place material Jan. 6, 2009
7446132 Zeolite additive for rubber and plastic Nov. 4, 2008
7319114 Hollow polymer particles, method for preparing hollow polymer particles, porous ceramic filter, and method for preparing porous ceramic filter Jan. 15, 2008
7026365 Polymer nanocomposite foams Apr. 11, 2006
6866803 Mold for use in slip casting method, and method of manufacturing open porous body for use in mold Mar. 15, 2005
6806298 Sprayable composition and method for forming a foamed outdoor protective cover layer Oct. 19, 2004
6787580 Water-free preparation process for multimodal thermoplastic polymer foam and foam therefrom Sep. 7, 2004
6759446 Polymer nanocomposite foams Jul. 6, 2004
6740731 Degradation control of environmentally degradable disposable materials May. 25, 2004
6706774 Two-component on-site foam system and its use for foaming openings for the purpose of fire protection Mar. 16, 2004
6660780 Molecularly-imprinted material made by template-directed synthesis Dec. 9, 2003
6613424 Composite structure with foamed cementitious layer Sep. 2, 2003
6602924 Foamed gypsum compositions Aug. 5, 2003
6582971 Imprinting large molecular weight compounds in polymer composites Jun. 24, 2003
6583191 Molecularly-imprinted material made by template-directed synthesis Jun. 24, 2003
6518324 Polymer foam containing nanoclay Feb. 11, 2003
6429234 Foam, an interior material made of the foam, a molded article destined for an interior vehicular material, and production methods thereof Aug. 6, 2002
6310110 Molecularly-imprinted material made by template-directed synthesis Oct. 30, 2001
6140380 Blowing agent and method for producing foamed polymers and related compositions Oct. 31, 2000
5852063 Process for preparing jointing foam Dec. 22, 1998
5739173 Preparation of flame-resistant soft polyurethane foams of reduced smoke density, and melamine/expandable graphite/polyether-polyol dispersions for this purpose Apr. 14, 1998
5641815 Building material with increased strength Jun. 24, 1997
5318837 Soundproofing materials Jun. 7, 1994
5250578 Foamed cementitious composition and method of making Oct. 5, 1993
5112877 Polyisocyanate composition May. 12, 1992
5059637 Endothermic fire protective material Oct. 22, 1991
4947611 A wall material, and method of preparing a wall material of soils and vegetable materials Aug. 14, 1990
4902348 Reinforced plasterboard and method of forming Feb. 20, 1990
4892891 Novel foam compositions Jan. 9, 1990
4843103 Foamed plastic materials Jun. 27, 1989
4804688 Open-cell foamed gypsum insulation Feb. 14, 1989
4724242 Open cell foamed gypsum absorbents Feb. 9, 1988
4612333 Foamed gypsum filter containing carbonaceous material Sep. 16, 1986
4595710 Foamed plastics materials Jun. 17, 1986
4495310 Method of forming a urethane prepolymer and its use in consolidating aggregate material Jan. 22, 1985
4451638 Process for the production of alkali metal polyester silicate resinous products May. 29, 1984
RE31340 Process for the production of poly (polyisocyanate-polyol-alkali metal silicate) solid Aug. 9, 1983
4376171 Process for the production of polyester resins Mar. 8, 1983
4359548 Process for the production of polyester resins Nov. 16, 1982
4357429 Process for the production of alkali metal silicate-organic plastics Nov. 2, 1982
4353999 Process for the production of alkali metal silicate-organic plastics Oct. 12, 1982
4350775 Process for the production of alkali metal silicate-organic plastics Sep. 21, 1982
4347331 Foamed, low density, highly extended unsaturated polyester resin syrup composition, a shaped article comprised of the composition and a process for preparing such article Aug. 31, 1982
4346180 Process for the production of organic alkali metal silicate compounds Aug. 24, 1982
4341876 Process for the production of a foamable mixture from at least two fluid, foam forming reactants and aggregates Jul. 27, 1982
4339366 Process for the production of polyester resins Jul. 13, 1982

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