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| Number | Title | Issue Date |
| 6960619 | Foamable photo-polymerized composition Acrylic composition for use in variety of indoor or outdoor sealing applications, where it is required to seal, to fill or to repair cracks, joints, gaps etc. in concrete, masonry, stone, wood or other constructional materials. The composition comprises acryl... | 11/01/2005 |
| 6902693 | Expanded porous thermoplastic polymer membranes and method for the production thereof Open celled membranes from thermoplastic polymers are prepared from foamed polymer melts by extrusion through a die. ... | 06/07/2005 |
| 6696504 | Extruded styrene resin foams, and methods for producing the same Production of extruded styrene resin foams which are excellent in environmental compatibility and retain highly efficient thermal insulation property and have appropriate strength properties is disclosed which is characterized by using as a blowing agent ... | 02/24/2004 |
| 6545062 | Production of water-expandable styrene polymers The invention relates to a process for the production of styrene polymers containing water as expanding agent by suspension polymerization of styrene in the presence of an emulsifying auxiliary, the suspending agent being a mixture of water and an organic... | 04/08/2003 |
| 6423757 | Process for producing polymer foam using mixtures of pentafluoropropane and a hydrofluorocarbon having 3 to 6 carbon atoms The invention discloses novel azeotrope-like mixtures of fluorinated compounds which are useful for heating and cooling as heat transfer agents and/or refrigerants. The azeotrope-like mixture comprises: (a) pentafluoropropane; and (b) a hydrofluorocarbon ... | 07/23/2002 |
| 6350789 | Extruded foam product with 134a and alcohol blowing agent The present invention generally relates to methods for preparing extruded foam products and more particularly to a methods for producing such products with a blowing agent containing 134a and an alcohol.... | 02/26/2002 |
| 6303667 | Foaming agents containing liquid carbon dioxide A blowing agent composition includes a blowing agent consisting of liquified carbon dioxide and 1,1-difluoroethane, or a mixture consisting of liquid carbon dioxide and at least one other liquid or pressure-liquified component selected from the group cons... | 10/16/2001 |
| 6245823 | Composition and blowing agent for making foamed polyethylene material Method and composition for making an expanded polyethylene material by forming a foamable melt of polyethylene, a nucleating agent, a material which retards migration of alkanes, and a blowing agent which comprises 10 to 100 mole percent ethane. In one di... | 06/12/2001 |
| 6225364 | Foams comprising HFC-134 and a low solubility co-blowing agent and a process for making Disclosed is an extruded, dimensionally stable, closed cell alkenyl aromatic polymer foam. The foam comprises an alkenyl aromatic polymer material greater than 50 percent by weight of alkenyl aromatic monomeric units. The foam has a density of about 16 to... | 05/01/2001 |
| 6030696 | Extruded polyolefin foam in thicker grades and plank and process therefor An extruded polyolefin foam in thicknesses of at least about 12 mm and greater of improved compressive strength, extensional viscosity, and reduced aging time and a process for making the foam are disclosed. The foam is prepared using a propane blowing ag... | 02/29/2000 |
| 6013689 | Method for making a closed-cell phenolic resin foam, foamable composition, and closed-cell phenolic resin foam Provided is a foamable, phenolic resin composition adapted to form a closed-cell phenolic resin foam under substantially atmospheric pressure. The foamable, phenolic resin composition is formulated from a resol resin, a blowing agent, and a bond strength ... | 01/11/2000 |
| 5840212 | Rigid foams with improved insulation properties and a process for the production of such foams Rigid foams having improved insulation properties are made by reacting a polyisocyanate with an isocyanate-reactive material in the presence of a blowing agent mixture composed of from about 1 to about 30% by weight of at least one C2 -C5 | 11/24/1998 |
| 5800729 | Mixtures of pentafluoropropane and a hydrofluorocarbon having 3 to 6 carbon atoms The invention discloses novel azeotrope-like mixtures of fluorinated compounds which are useful for heating and cooling as heat transfer agents and/or refrigerants. The azeotrope-like mixture comprises: (a) pentafluoropropane; and (b) a hydrofluorocarbon ... | 09/01/1998 |
| 5762818 | Compositions which include 1,1,2,2- tetrafluoroethane and fluoroethane Compositions are disclosed which include 1,1,2,2-tetrafluoroethane and a propane, tris(trifluoromethyl)amine, trifluoromethylsulfur pentafluoride or fluoroethane. The term propane includes compounds of the formula C3 Fa H8-a | 06/09/1998 |
| 5762817 | Decafluoropentane compositions Azeotropic or azeotrope-like compositions of effective amounts of 1,1,1,2,3,4,4,5,5,5-decafluoropentane, 1,1-dichloroethane and an alcohol such as methanol, ethanol, or isopropanol, to form an azeotropic or azeotrope-like composition are disclosed that ar... | 06/09/1998 |
| 5733472 | Compositions which include 1,1,2,2-tetrafluoroethane and fluoropropane Compositions are disclosed which include 1,1,2,2-tetrafluoroethane and a propane, tris(trifluoromethyl)amine, trifluoromethylsulfur pentafluoride or fluoroethane. The term propane includes compounds of the formula C3 Fa H8-a | 03/31/1998 |
| 5730894 | 1,1,2,2,3,3,4,4-octafluorobutane azeotropic (like) compositions Compositions of 1,1,2,2,3,3,4,4-octafluorobutane and a compound of the formula selected from the group consisting of a 4-6 carbon linear or a cyclic hydrofluorocarbon or fluorocarbon, a 3-5 carbon fluoroether, a fluorinated alcohol, perfluoro-n-methylmorp... | 03/24/1998 |
| 5728315 | Azeotrope-like compositions of trifluoromethane, carbon dioxide, ethane and hexafluoroethane Azeotrope-like compositions of trifluoromethane, carbon dioxide, ethane, and hexafluoroethane are provided. The compositions of the invention are environmentally desirable for use as refrigerants, aerosol propellants, blowing agents for polymer foam, heat... | 03/17/1998 |
| 5723509 | Azeotrope-like compositions of dimethoxymethane, cyclopentane and 2-methyl pentane and the use thereof in the production of foams Azeotropic compositions made up of from about 68.1 to about 69.1% by weight of dimethoxymethane, from about 29.7 to about 30.7% by weight of cyclopentane and from about 0.7 to about 1.7% by weight in which the sum of the weight percents of the components ... | 03/03/1998 |
| 5609954 | Strippable pressure-sensitive adhesive and adhesive material using the same A strippable pressure-sensitive adhesive and an adhesive material using the same are disclosed, adhesive comprising a highly elastic base polymer whose dynamic modulus of elasticity is in the range of from 250,000 to 10,000,000 dyne/cm2 at a te... | 03/11/1997 |
| 5605647 | Fluoroiodocarbon blends as CFC and halon replacements A new set of effective, environmentally safe, nonflammable, low-toxicity refrigerants, solvents, foam blowing agents, propellants, and firefighting agents is disclosed. The agents are clean, electrically nonconductive, and have short atmospheric lifetimes... | 02/25/1997 |
| 5562857 | Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and 2-methyl butane Azeotropic compositions made up of from about 65 to about 81% by weight of 1,1,1,3,3-pentafluoropropane and from about 19 to about 35% by weight of 2-methyl butane have been found to be particularly useful as blowing agents for the production of polyureth... | 10/08/1996 |
| 5562861 | Fluoroiodocarbon blends as CFC and halon replacements A new set of effective, environmentally safe, nonflammable, low-toxicity refrigerants, solvents, foam blowing agents, propellants, and firefighting agents is disclosed. The agents are clean, electrically nonconductive, and have short atmospheric lifetimes... | 10/08/1996 |
| 5475037 | Amorphous polyester foam A low density foam having a density less than 15 pounds per cubic foot (240 kg/m3) is formed from an amorphous polyethylene terephthalate polymer. An expandable resin composition is also disclosed, comprising an amorphous polyethylene terephtha... | 12/12/1995 |
| 5462974 | Expandable composition and process for extruded thermoplastic foams An expandable thermoplastic composition is disclosed for extrusion foaming wherein the composition comprises a polyethylene resin; a blowing agent, which is either ethane or a blend of carbon dioxide and either normal butane, isobutane, propane, ethane, o... | 10/31/1995 |
| 5453454 | Production of foam boards of high compressive strength from styrene polymers Process for the production of foam boards having a minimum thickness of 20 mm and a cross-sectional area of at least 50 cm2 by extruding a mixture of the styrene polymer, from 1 to 10% by weight, based on the styrene polymer, of a blowing agent... | 09/26/1995 |
| 5444102 | Fluoroiodocarbon blends as CFC and halon replacements A new set of effective, environmentally safe, nonflammable, low-toxicity refrigerants, solvents, foam blowing agents, propellants, and firefighting agents is disclosed. The agents are clean, electrically nonconductive, and have short atmospheric lifetimes... | 08/22/1995 |
| 5409962 | Substantially constant boiling blowing agent compositions of 1,1,1,2-tetrafluoroethane and dimethyl ether Substantially constant boiling blowing agent compositions of 1,1,1,2-tetrafluoroethane and dimethyl ether.... | 04/25/1995 |
| 5405883 | Ethylene polymer foams blown with isobutane and 1,1-difluoroethane and a process for making Disclosed is an ethylene polymer foam structure having enhanced processing and physical properties. The foam structure comprises an ethylenic polymer material and a blowing agent of isobutane and 1,1-difluoroethane. Further disclosed is a process for maki... | 04/11/1995 |
| 5399592 | Ethylene polymer foams blown with isobutane and 1,1,1-trifluoroethane or 1,1,1,2-tetrafluoroethane and a process for making Disclosed is an ethylene polymer foam structure having enhanced processing and physical properties. The foam structure comprises an ethylenic polymer material and a blowing agent. The blowing agent has a primary blowing agent of isobutane and a secondary ... | 03/21/1995 |
| 5389694 | Foamable styrenic polymer gel having a carbon dioxide blowing agent and a process for making a foam structure therefrom Disclosed is a foamable styrenic polymer gel capable of forming a closed-cell foam structure, comprising: a) a flowable melt of a styrenic polymer material comprising greater than 50 percent by weight styrenic monomeric units and about 0.1 to about 40 per... | 02/14/1995 |
| 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 Disclosed is a foamable styrenic polymer gel containing an aqueous blowing agent capable of forming a closed-cell, unimodal foam structure. The gel composes in admixture the flowable melt of a polymer composition having greater than 50 percent by weight o... | 01/10/1995 |
| 5348984 | Expandable composition and process for extruded thermoplastic foams An expandable thermoplastic composition is disclosed for extrusion foaming wherein the composition comprises a polyethylene resin; a blowing agent comprising a blend of about 50% by weight of carbon dioxide and about 50% by weight of either normal butane,... | 09/20/1994 |
| 5314926 | Hydrofluorocarbon compositions as blowing agents for cellular plastics Blowing agents for use in foamable plastics such as polystyrene, polyvinyl chloride, polyethylene and other non-polyisocyanate-based foams, comprising a mixture of 1,1,1,2,3,3,3-heptafluoropropane in combination with one or more hydrocarbons or partially ... | 05/24/1994 |
| 5300534 | Production of plastic foams, preferably rigid foams containing urethane groups or urethane and isocyanurate groups, and blowing agent-containing emulsions for this purpose A process for the production of plastic foams, preferably rigid foams containing urethane groups or urethane and isocyanurate groups, by reacting a) an organic and/or modified organic polyisocyanate with b) at least one relatively high-molecular-weight compoun... | 04/05/1994 |
| 5296516 | Polyurethane and polyisocyanurate rigid foams prepared using ternary blowing agent mixtures Use of a ternary blowing agent mixture containing water, HCFC-22, and either or both of methylene chloride or 1,1,1-trichloroethane allows the preparation of rigid urethane and polyisocyanurate foams displaying good dimensional stability and low aged k-fa... | 03/22/1994 |
| 5294358 | Compositions containing 1,1,1,2-tetrafluoroethane and methyl chloride and use of these compositions A composition including from 40 to 55 mol % of 1,1,1,,2-tetrafluoroethane and from 45 to 60 mol % of methyl chloride; and a composition including from 68 to 75 mol % of 1,1,1,2-tetrafluoroethane and from 25 to 32 mol % of methyl chloride. These compositio... | 03/15/1994 |
| 5286757 | Foamable composition and process for making large cell size alkenyl aromatic polymer foam structure with 1,1-difluoroethane Disclosed is a process for making extruded, closed-cell alkenyl aromatic polymer foam structure having an average cell size of from about 0.3 to about 3.0 millimeters. The process comprises: a) heating an alkenyl aromatic polymer material having greater t... | 02/15/1994 |
| 5276063 | Foamable composition and process for making large cell size alkenyl aromatic polymer foam structure with 1,1-difluoroethane Disclosed is a process for making extruded, closed-cell alkenyl aromatic polymer foam structure having an average cell size of from about 0.3 to about 3.0 millimeters. The process comprises: a) heating an alkenyl aromatic polymer material having greater t... | 01/04/1994 |
| 5266251 | Method for the manufacture of a heat insulating foamed plastic material and blowing agent to be used by the method Method for the manufacture of a heat insulating foamed plastic material by foaming of a plastic material or plastic precursor material by means of a blowing agent where a mixture of krypton and xenon is at least partially used as a blowing agent. When usi... | 11/30/1993 |
