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Class Information
Number: 521/98
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. > Process of forming a cellular product subsequent to solid polymer formation in the presence of a stated ingredient, noncellular composition capable of forming a cellular product and containing a stated ingredient, or process of preparing same > Ingredient contains only c and h atoms, only c and halogen atoms, or only c, h, and halogen atoms
Description: Subject matter wherein the stated ingredient contains (1) only carbon and hydrogen atoms, or (2) only carbon, hydrogen, and halogen atoms, or (3) only carbon and halogen atoms.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8703835 Reduced-VOC and non-VOC blowing agents for making expanded and extruded thermoplastic foams Apr. 22, 2014
8691046 Energy-activated room temperature-pumpable polymer compositions and devices for activating and dispensing the same Apr. 8, 2014
8680168 Method for filling wall cavities with expanding foam insulation Mar. 25, 2014
8648122 Method of foaming polyolefin using acrylated epoxidized fatty acid and foam produced therefrom Feb. 11, 2014
8648123 Hydrofluoropropene blowing agents for thermoplastics Feb. 11, 2014
8598244 Reduced-VOC and non-VOC blowing agents for making expanded and extruded thermoplastic foams Dec. 3, 2013
8557886 Storage-stable polyol compositions for producing rigid polyisocyanurate foam Oct. 15, 2013
8420706 Foaming agents, foamable compositions, foams and articles containing halogen substituted olefins, and methods of making same Apr. 16, 2013
8378001 Polystyrene/polyethylene oxide copolymer for enhancing water vapor permeability in thermoplastic foam Feb. 19, 2013
8349909 Polystyrene/polyethylene oxide copolymer cell size enlarger for foam Jan. 8, 2013
8314159 Blowing agent composition of hydrochlorofluoroolefin Nov. 20, 2012
8309619 Reduced-VOC and non-VOC blowing agents for making expanded and extruded thermoplastic foams Nov. 13, 2012
8288447 Foamable compositions based on epoxy resins and polyesters Oct. 16, 2012
8242183 Brominated polymers as FR additives and polymer systems containing same Aug. 14, 2012
8206688 Foam-forming composition Jun. 26, 2012
8173714 Expanded styrene polymers having a reduced thermal conductivity May. 8, 2012
8119701 Method of manufacturing polystyrene foam with polymer processing additives Feb. 21, 2012
8093308 Styrenic polymer compositions and methods of making and using same Jan. 10, 2012
8080592 Extruded polymer foams containing brominated fatty acid-based flame retardant additives Dec. 20, 2011
8013031 Extruded polylactide foams blown with carbon dioxide Sep. 6, 2011
7863342 Fire resistant materials Jan. 4, 2011
7846987 Expanded and extruded biodegradable and reduced emission foams made with methyl formate-based blowing agents Dec. 7, 2010
7772294 Fire resistant materials Aug. 10, 2010
7759412 Tire puncture sealant Jul. 20, 2010
7727624 Super-compressible carbon nanotube films and micro-bundles Jun. 1, 2010
7696256 Flame retardants and flame retarded polymers Apr. 13, 2010
7674839 Methods for the production of polymer carrier materials based on carbon hydrate-bis(meth)acryl-amides Mar. 9, 2010
7645810 Foamed sheet of polylactic acid resin, foam molding of polylactic acid resin and method of preparing foam molding Jan. 12, 2010
7615168 Flame retardants and flame retarded polymers Nov. 10, 2009
7597818 Azeotrope-like compositions of tetrafluoropropenes and bromofluoropropenes Oct. 6, 2009
7449438 Foam premixes having improved processability Nov. 11, 2008
7368483 Porous composition of matter, and method of making same May. 6, 2008
7312253 Insulating thermoplastic foams made with methyl formate-based blowing agents Dec. 25, 2007
7307105 Thermoplastic foams made with methyl formate-based blowing agents Dec. 11, 2007
7262226 CTFE-based thermoprocessable compositions Aug. 28, 2007
7259190 Adhesive composition Aug. 21, 2007
7226615 Expandable foam-like biomaterials and methods Jun. 5, 2007
7179845 Elastomeric latex foams Feb. 20, 2007
7109249 Composition containing a cross-linkable matrix precursor and a poragen, and porous matrix prepared therefrom Sep. 19, 2006
7098254 Foam premixes having improved processability Aug. 29, 2006
7060736 Blowing agent solubility in polymers Jun. 13, 2006
7045556 Polyolefin foams made with isopentane-based blowing agents May. 16, 2006
7030167 Nanoporous structures produced from self-assembling molecules Apr. 18, 2006
6995203 Flame retardant polymer compositions Feb. 7, 2006
6887910 Composition containing a cross-linkable matrix precursor and a poragen, and a porous matrix prepared therefrom May. 3, 2005
6878752 Method for making one-container rigid foam Apr. 12, 2005
6872757 Expandable composition, blowing agent, and process for extruded thermoplastic foams Mar. 29, 2005
6831113 Amine-modified epoxy resin reacted in presence of latent hardener Dec. 14, 2004
6815047 Foamed thermoplastic resin sheet and manufacturing method of the same Nov. 9, 2004
6793845 Foam premixes having improved processability Sep. 21, 2004

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