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Class Information
Number: 521/910
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Plural blowing agents for producing nonpolyurethane cellular products
Description: Subject matter involving preparing a nonpolyurethane cellular product by utilizing two or more distinct blowing agents either together or at different times.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6960619 |
Foamable photo-polymerized composition |
Nov. 1, 2005 |
| 6902693 |
Expanded porous thermoplastic polymer membranes and method for the production thereof |
Jun. 7, 2005 |
| 6696504 |
Extruded styrene resin foams, and methods for producing the same |
Feb. 24, 2004 |
| 6545062 |
Production of water-expandable styrene polymers |
Apr. 8, 2003 |
| 6423757 |
Process for producing polymer foam using mixtures of pentafluoropropane and a hydrofluorocarbon having 3 to 6 carbon atoms |
Jul. 23, 2002 |
| 6350789 |
Extruded foam product with 134a and alcohol blowing agent |
Feb. 26, 2002 |
| 6303667 |
Foaming agents containing liquid carbon dioxide |
Oct. 16, 2001 |
| 6245823 |
Composition and blowing agent for making foamed polyethylene material |
Jun. 12, 2001 |
| 6225364 |
Foams comprising HFC-134 and a low solubility co-blowing agent and a process for making |
May. 1, 2001 |
| 6030696 |
Extruded polyolefin foam in thicker grades and plank and process therefor |
Feb. 29, 2000 |
| 6013689 |
Method for making a closed-cell phenolic resin foam, foamable composition, and closed-cell phenolic resin foam |
Jan. 11, 2000 |
| 5840212 |
Rigid foams with improved insulation properties and a process for the production of such foams |
Nov. 24, 1998 |
| 5800729 |
Mixtures of pentafluoropropane and a hydrofluorocarbon having 3 to 6 carbon atoms |
Sep. 1, 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 |
| 5723509 |
Azeotrope-like compositions of dimethoxymethane, cyclopentane and 2-methyl pentane and the use thereof in the production of foams |
Mar. 3, 1998 |
| 5609954 |
Strippable pressure-sensitive adhesive and adhesive material using the same |
Mar. 11, 1997 |
| 5605647 |
Fluoroiodocarbon blends as CFC and halon replacements |
Feb. 25, 1997 |
| 5562861 |
Fluoroiodocarbon blends as CFC and halon replacements |
Oct. 8, 1996 |
| 5562857 |
Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and 2-methyl butane |
Oct. 8, 1996 |
| 5475037 |
Amorphous polyester foam |
Dec. 12, 1995 |
| 5462974 |
Expandable composition and process for extruded thermoplastic foams |
Oct. 31, 1995 |
| 5453454 |
Production of foam boards of high compressive strength from styrene polymers |
Sep. 26, 1995 |
| 5444102 |
Fluoroiodocarbon blends as CFC and halon replacements |
Aug. 22, 1995 |
| 5409962 |
Substantially constant boiling blowing agent compositions of 1,1,1,2-tetrafluoroethane and dimethyl ether |
Apr. 25, 1995 |
| 5405883 |
Ethylene polymer foams blown with isobutane and 1,1-difluoroethane and a process for making |
Apr. 11, 1995 |
| 5399592 |
Ethylene polymer foams blown with isobutane and 1,1,1-trifluoroethane or 1,1,1,2-tetrafluoroethane and a process for making |
Mar. 21, 1995 |
| 5389694 |
Foamable styrenic polymer gel having a carbon dioxide blowing agent and a process for making a foam structure therefrom |
Feb. 14, 1995 |
| 5380767 |
Foamable gel with an aqueous blowing agent expandable to form a unimodal styrenic polymer foam structure and a process for making the foam structure |
Jan. 10, 1995 |
| 5348984 |
Expandable composition and process for extruded thermoplastic foams |
Sep. 20, 1994 |
| 5314926 |
Hydrofluorocarbon compositions as blowing agents for cellular plastics |
May. 24, 1994 |
| 5300534 |
Production of plastic foams, preferably rigid foams containing urethane groups or urethane and isocyanurate groups, and blowing agent-containing emulsions for this purpose |
Apr. 5, 1994 |
| 5296516 |
Polyurethane and polyisocyanurate rigid foams prepared using ternary blowing agent mixtures |
Mar. 22, 1994 |
| RE34568 |
Volatile foaming agent composition |
Mar. 22, 1994 |
| 5294358 |
Compositions containing 1,1,1,2-tetrafluoroethane and methyl chloride and use of these compositions |
Mar. 15, 1994 |
| 5286757 |
Foamable composition and process for making large cell size alkenyl aromatic polymer foam structure with 1,1-difluoroethane |
Feb. 15, 1994 |
| 5276063 |
Foamable composition and process for making large cell size alkenyl aromatic polymer foam structure with 1,1-difluoroethane |
Jan. 4, 1994 |
| 5266251 |
Method for the manufacture of a heat insulating foamed plastic material and blowing agent to be used by the method |
Nov. 30, 1993 |
| 5244927 |
Low density styrene polymer foams and process for preparing same |
Sep. 14, 1993 |
| 5244928 |
Foamable composition and process for making large cell size alkenyl aromatic polymer foam structure with 1,1-difluoroethane |
Sep. 14, 1993 |
| 5221492 |
Azeotropic mixture of perfluoropropane and dimethyl ether |
Jun. 22, 1993 |
| 5185094 |
Constant boiling compositions of pentafluoroethane, difluoromethane, and tetrafluoroethane |
Feb. 9, 1993 |
| 5182040 |
Azeotropic and azeotrope-like compositions of 1,1,2,2-tetrafluoroethane |
Jan. 26, 1993 |
| 5180753 |
Process for the manufacture of synthetic polymer propellant systems |
Jan. 19, 1993 |
| 5162381 |
Process for preparing thermalplastic foam |
Nov. 10, 1992 |
| 5149726 |
Insect resistant foam body useful in farm buildings |
Sep. 22, 1992 |
| 5149473 |
Method for production of styrenic foam |
Sep. 22, 1992 |
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