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Browse by Category: Main > Material Science
Class Information
Number: 264/53
Name: Plastic and nonmetallic article shaping or treating: processes > Pore forming in situ (e.g., foaming, etc.) > By gas forming or expanding > Liquid to gas phase change
Description: Processes in which the voids are formed by a liquid to gas change of state, i.e., vaporization of a liquid incorporated into the molding material.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8568632 Method of forming thermoplastic foams using nano-particles to control cell morphology Oct. 29, 2013
8524110 Compositions comprising a fluoroolefin Sep. 3, 2013
8486294 Hydrofluoroolefin compositions Jul. 16, 2013
8476327 Extruded polymer foam process with staged forming Jul. 2, 2013
8465669 Monolith separation medium for chromatography and process for producing the same Jun. 18, 2013
8361363 Foam board of polyolefin resin and method for its production Jan. 29, 2013
8324287 Positive skew styrene-acrylonitrile copolymer foam Dec. 4, 2012
8268904 Extruded polystyrene foam with broad comonomer content distribution Sep. 18, 2012
8206626 Method for producing nanoporous molded parts Jun. 26, 2012
8168096 Process for producing polystyrene foam particles having a high density May. 1, 2012
8084510 Expandable polystyrenic resin particles and production process thereof, pre-expanded particles and molded foam product Dec. 27, 2011
8043539 Process for producing biodegradable molded item and molding dies therefor Oct. 25, 2011
8034266 Carbon foam from metallic salts of lignosulfonates Oct. 11, 2011
7959825 Compositions comprising HFC-1234yf and HFC-125 Jun. 14, 2011
RE42424 Method and apparatus for extrusion of expanding water holding products such as foodstuff particles or feeding stuff pellets Jun. 7, 2011
7956094 Self-sterilized, antiseptic collagen preparations, their use and methods for producing them Jun. 7, 2011
7919538 Styrene acrylonitrile copolymer foam with infrared attenuating agents Apr. 5, 2011
7914718 Gas pore former in cellular monoliths Mar. 29, 2011
7914698 Compositions comprising a fluoroolefin Mar. 29, 2011
7906037 Compositions comprising a fluoroolefin Mar. 15, 2011
7879253 Compositions comprising a fluoroolefin Feb. 1, 2011
7871549 Producing method for film Jan. 18, 2011
7862740 Compositions comprising a fluoroolefin Jan. 4, 2011
7862741 Compositions comprising a fluoroolefin Jan. 4, 2011
7862742 Compositions comprising a fluoroolefin Jan. 4, 2011
7794618 Azeotrope-like compositions of pentafluoropropene and 1,1,1,2,2-pentafluoropropane Sep. 14, 2010
7655705 Open-cell foam composed of high-melting point plastics Feb. 2, 2010
7615170 Method of processing polymers using a single screw Nov. 10, 2009
7569170 Compositions comprising a fluoroolefin Aug. 4, 2009
7560498 Process of producing foamed molding from expanded polypropylene resin beads and process of producing expanded polypropylene resin beads Jul. 14, 2009
7556756 Production method of polyurethane foam molded article Jul. 7, 2009
7540985 Method of producing a polyurethane foam molded article Jun. 2, 2009
7479238 Azeotrope-like composition of 1,1,1-trifluoro-3-chloropropene and methyl formate Jan. 20, 2009
7442321 Azeotrope-like composition of 1,1,1-trifluoro-3-chloropropene and trans-1,2-dichloroethylene Oct. 28, 2008
7438826 Azeotrope-like composition of 1,1,1-trifluoro-3-chloropropene and methyl acetate Oct. 21, 2008
7438825 Azeotrope-like composition of 1,1,1-trifluoro-3-chloropropene and dimethoxymethane Oct. 21, 2008
7431872 Low-density cellular wood plastic composite and process for formation Oct. 7, 2008
7390445 Method of producing composite sheet having polyolefin foam layer Jun. 24, 2008
7390446 Foamed supramolecular polymers Jun. 24, 2008
7364677 In-mold decorated articles and methods Apr. 29, 2008
7361294 Injection molding of polymeric material Apr. 22, 2008
7332214 Biodegradable molded article, manufacturing method thereof, and composition for expansion molding Feb. 19, 2008
7329374 Method for manufacturing resing films Feb. 12, 2008
7309459 Azeotropic compositions of cyclopentane Dec. 18, 2007
7300612 Hollow strandfoam and preparation thereof Nov. 27, 2007
7294295 Method of manufacturing molded product of foamed resin and apparatus for molding foamed resin Nov. 13, 2007
7244380 Process for producing polystyrene resin foam by extrusion Jul. 17, 2007
7222380 Tear resistant gels, composites, and cushion articles May. 29, 2007
7169320 Pentafluoropropane-based compositions Jan. 30, 2007
7169338 Foam-molded article and manufacturing method thereof Jan. 30, 2007

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