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Class Information
Number: 264/DIG.5
Name: Plastic and nonmetallic article shaping or treating: processes > Use of one or more blowing agents together
Description:










Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
8133420 Multi-segment expandable polymer compositions which expand in a controllable direction Mar. 13, 2012
7855237 Plant for the manufacture of polymer particles Dec. 21, 2010
7597818 Azeotrope-like compositions of tetrafluoropropenes and bromofluoropropenes Oct. 6, 2009
7166248 Reduced VOC emission alkenyl aromatic polymer foams and processes Jan. 23, 2007
7052634 Method for making a foam sheet having ventilation holes May. 30, 2006
7008578 Method for production of extruded, polystyrene-based resin foam plate and extruded foam plate obtained thereby Mar. 7, 2006
RE38993 Process for producing alkenyl aromatic foams using a combination of atmospheric and organic gases and foams produced thereby Feb. 28, 2006
6723264 Method of making biodegradable packaging material Apr. 20, 2004
RE37932 Supermicrocellular foamed materials Dec. 10, 2002
6342173 Method for producing polymer foam using a blowing agent combination Jan. 29, 2002
6299809 Method and composition for making foamed polyethylene material Oct. 9, 2001
6251319 Method of forming a thermoformable polypropylene foam sheet Jun. 26, 2001
6231795 Soft and flexible foams made from blends of alkenyl aromatic polymers and alpha-olefin/vinyl or vinylidene aromatic and/or sterically hindered aliphatic or cycloaliphatic vinyl or vinylidene i May. 15, 2001
6123881 Process for producing extruded foam products having polystyrene blends with high levels of CO.sub.2 as a blowing agent Sep. 26, 2000
6110404 Method of extruding thermoplastic elastomer foam using water as a blowing agent Aug. 29, 2000
6093352 Process for producing foam by monitoring key process parameters Jul. 25, 2000
6063316 Method for producing polymer foam using a blowing agent combination May. 16, 2000
RE36674 Faced foam insulation board and froth-foaming method for making same Apr. 25, 2000
6030696 Extruded polyolefin foam in thicker grades and plank and process therefor Feb. 29, 2000
6013194 Azeotrope(like) compositions including a hexafluoropropane and butane Jan. 11, 2000
5993706 Oxygenated hydrocarbon compatibilizing agent for carbon dioxide-blown polyolefinic foams Nov. 30, 1999
5993707 Enlarged cell size foams made from blends of alkenyl aromatic polymers and alpha-olefin/vinyl or vinylidene aromatic and/or sterically hindered aliphatic or cycloaliphatic vinyl or vinylidene Nov. 30, 1999
5938978 Intermittent programming of electrosettable compositions Aug. 17, 1999
5905098 Process for producing low density polethylenic foam with atmospheric gases and polyglyols or polygycol ehters May. 18, 1999
5889066 Rigid foams with improved insulation properties and a process for the production of such foams Mar. 30, 1999
5849226 Process for producing low density polyethylenic foam with atmospheric gases and polyglycols or polyglycol ethers Dec. 15, 1998
5827446 Nonafluoromethoxybutane compositions Oct. 27, 1998
5823669 Method for blending diverse blowing agents Oct. 20, 1998
5788877 Substantially constant boiling compositions of difluoromethane and trifluoroethane Aug. 4, 1998
5776389 Process for making an alkenyl aromatic polymer foam having enlarged cell size Jul. 7, 1998
5762817 Decafluoropentane compositions Jun. 9, 1998
5762818 Compositions which include 1,1,2,2- tetrafluoroethane and fluoroethane Jun. 9, 1998
5733472 Compositions which include 1,1,2,2-tetrafluoroethane and fluoropropane Mar. 31, 1998
5730894 1,1,2,2,3,3,4,4-octafluorobutane azeotropic (like) compositions Mar. 24, 1998
5728315 Azeotrope-like compositions of trifluoromethane, carbon dioxide, ethane and hexafluoroethane Mar. 17, 1998
5707573 Method of preparing thermoplastic foams using a gaseous blowing agent Jan. 13, 1998
5700388 Azeotropic or azeotrope-like compositions of ammonia and tetrafluoroethane Dec. 23, 1997
5698144 Process for producing low density polyethylenic foam with atmospheric gases and polyglycols or polyglycol ethers Dec. 16, 1997
5681501 Compositions including a hydrofluoropropane Oct. 28, 1997
5679295 Method for producing polyester foam using a blowing agent combination Oct. 21, 1997
5665785 Process for forming microcellular structures having an integral skin and products thereof Sep. 9, 1997
5624596 Composition with pentafluoroethane, difuoromethane, and a C4-C9 hydrocarbon Apr. 29, 1997
5611962 Production of encapsulated chemical foaming concentrates Mar. 18, 1997
5595694 Process for producing alkenyl aromatic foams using a combination of atmospheric and organic gases Jan. 21, 1997
5585058 Method for providing accelerated release of a blowing agent from a plastic foam Dec. 17, 1996
5562857 Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and 2-methyl butane Oct. 8, 1996
5558810 Pentafluoropropane compositions Sep. 24, 1996
5552074 Refrigerant compositions including bis(difluoromethyl) ether Sep. 3, 1996
5538660 Nonazeotropic mixtures containing difluoromethane and 1,1,1,2-tetrafluoroethane, and their applications as refrigerant fluids in air conditioning Jul. 23, 1996
5538660 Nonazeotropic mixtures containing difluoromethane and 1,1,1,2-tetrafluoroethane, and their applications as refrigerant fluids in air conditioning Jul. 23, 1996

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