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| Number | Title | Issue Date |
| 6914085 | Expanded polypropylene granule composition Expanded granules or a moulded article made therefrom, based on semicrystalline propylene polymer comprising, per 100 parts by weight, less than 0.035 parts by weight of volatile compounds and processes for its preparation. ... | 07/05/2005 |
| 6746625 | Surface treated embossing catalyst and the use thereof The present invention relates to a new class of blowing inhibitors and a method for discovering such inhibitors with determinable inhibition activities. The new class of blowing inhibitors are organo-silanes that may be directly adsorbed onto active catalytic sites ... | 06/08/2004 |
| 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 |
| 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 |
| 5539006 | Rigid foams with improved insulation and physical properties Rigid polyurethane foams are produced by reacting an organic polyisocyanate with a sucrose-based polyether polyol in the presence of a catalyst and a blowing agent selected from hydrogen-containing chlorofluorocarbons, hydrogen-containing fluorocarbons, h... | 07/23/1996 |
| 5439948 | Process for cellular polymeric products The invention provides a process for the preparation of a cellular polymeric product which comprises reaction of a polyisocyanate composition with an isocyanate-reactive composition having a functionality of at least 2, in the presence of a blowing agent ... | 08/08/1995 |
| 5194325 | Molded polyurethane foam system utilizing HFC blowing agents A molded polyurethane foam system utilizing hydrofluorocarbons and alkane hydrocarbons as the blowing agent. The molded polyurethane foam products of the invention have a high-density integral skin and a low-density core. The blowing agent can be the HFC,... | 03/16/1993 |
| 5059631 | Extruded ethylenic polymer foam containing both open and closed cells Disclosed is an extruded, low density, non-outgassing ethylenic polymer foam containing 30-85% open cells and the remainder closed cells and having an essentially integral surface. The foam possesses superior compression recovery and lower compression res... | 10/22/1991 |
| 4931478 | Process for the preparation of an expandable vinyl plastisol Process for the preparation of an expandable vinyl plastisol capable of yielding cellular products containing a nitrogen-based blowing agent and a zinc salt as accelerator of decomposition of the blowing agent. The accelerator, which is preferably zinc ch... | 06/05/1990 |
| 4879138 | Composition for plastic article with unitarily molded foam layer A moldable and foamable thermoplastic composition comprising a major portion of moldable polypropylene resin; from about 1.25 to about 6 parts per hundred of resin (pphr) foam concentrate; from about 0.15 to about 1 pphr calcium carbonate; from about 0.03... | 11/07/1989 |
| 4866100 | Composition for plastic article with unitarily molded foam layer A moldable and foamable thermoplastic composition comprising a major portion of moldable polypropylene resin; from about 1.25 to about 6 parts per hundred of resin (pphr) foam concentrate; from about 0.15 to about 1 pphr calcium carbonate; from about 0.03... | 09/12/1989 |
| 4777188 | Process for producing foamed elastomeric compositions Foamed elastomeric compositions are produced by a process comprising the steps of (A) forming a blend comprised of (1) a foamable, curable elastomer; (2) a curative; and (3) a blowing agent composition consisting essentially of (i) azodicarbonamide and (i... | 10/11/1988 |
| 4728675 | Modified flame retardant polyphenylene ether resins having improved foamability and molded articles made therefrom Polyphenylene ether compositions rendered flame retardant with bromine-containing compounds can be foam molded into shaped articles free of streaking and without the generation of odors if the foaming agent comprises citric acid and sodium bicarbonate.... | 03/01/1988 |
| 4728673 | Process for the foaming of thermoplastics containing ester and/or carbonate groups The present invention relates to the use of combinations of specific compounds as blowing agent combinations for thermoplastics containing ester and/or carbonate groups, a process for the foaming of these thermoplastics, and the foams obtained by the proc... | 03/01/1988 |
| 4714568 | New blowing agent combination based on azodicarbonamide, production thereof and use thereof for foaming polymers The invention relates to a new blowing agent combination based on azodicarbonamide, production thereof and use thereof for foaming polymers.... | 12/22/1987 |
| 4698370 | Production of phenolic resin composite foam A phenolic resin composite foam is disclosed which is prepared by heating and foaming a novolak phenolic resin having a number average molecular weight of 250 to 600 and a bulk density of 0.15 to 0.5, a blowing agent, a blowing auxiliary compound and inor... | 10/06/1987 |
| 4693772 | Hot applied, expandable sealer A hot applicable, heat expandable, thermosetting sealing composition particularly adapted for use in the automotive industry is disclosed. Such a sealant comprises a styrene-butadiene rubber mixed with conventional thermoplastic resin blowing agents, vulc... | 09/15/1987 |
| 4692475 | Blowing agent composition A blowing agent composition, comprising: (i) azodicarbonamide; (ii) zinc oxide and/or zinc carbonate; and (iii) at least one member selected from the group consisting of zinc salts of C1 -C6 organic acids, and C1 -C6 | 09/08/1987 |
| 4680316 | Hot applied, expandable sealer A hot applicable, heat expandable, thermosetting sealing composition particularly adapted for use in the automotive industry is disclosed. Such a sealant comprises a styrene-butadiene rubber mixed with conventional thermoplastic resin blowing agents, vulc... | 07/14/1987 |
| 4655962 | Blowing agent composition A blowing agent composition, comprising: (i) azodicarbonamide; (ii) zinc oxide and/or zinc carbonate; and (iii) at least one member selected from the group consisting of zinc salts of C1 -C6 organic acids, and C1 -C6 | 04/07/1987 |
| 4634721 | Nitro-urea based blowing agents The present invention relates to an improved nitro urea compound specifically the zinc salt of nitro urea useful as a blowing agent composition, its preparation and its use.... | 01/06/1987 |
| 4585802 | Nitro urea based blowing agents The present invention relates to an improved nitro urea compound specifically the zinc salt of nitro urea useful as a blowing agent composition, its preparation and its use.... | 04/29/1986 |
| 4554294 | Nitro urea based blowing agents The present invention relates to an improved nitro urea compound specifically the zinc salt of nitro urea useful as a blowing agent composition, its preparation and its use.... | 11/19/1985 |
| 4482650 | Blowing agent compositions A blowing agent composition is provided comprising an azodicarbonamid; zinc oxide, zinc carbonate or a zinc salt of C1 -C4 organic acid; and an aromatic sulfinic acid or a metal salt of an aromatic sulfinic acid. For each hundred par... | 11/13/1984 |
| 4480054 | Foamable polymer blend compositions Compatible blends of an ethylene/methacrylic or ethylene/acrylic acid dipolymer or a terpolymer with n-butyl or isobutyl acrylate with an ethylene/X/Y terpolymer, where X is vinyl acetate or an alkyl acrylate and Y is CO or SO2, with an elastom... | 10/30/1984 |
| 4472536 | Blowing agent compositions A blowing agent composition is provided comprising an azodicarbonamid; zinc oxide, zinc carbonate or a zinc salt of C1 -C4 organic acid; and an aromatic sulfinic acid or a metal salt of an aromatic sulfinic acid. For each hundred par... | 09/18/1984 |
| 4446254 | Crosslinked polyolefin foam containing a high concentration of an inorganic material and process for producing the same A crosslinked foam having an expansion ratio of 25 to 60 which comprises a composition containing 100 parts by weight of a resin component consisting of an ethylenevinyl acetate copolymer or a mixture thereof with a thermoplastic resin and 50 to 500 parts... | 05/01/1984 |
| 4444679 | Blowing agent compositions A blowing agent composition is provided comprising an azodicarbonamid; zinc oxide, zinc carbonate or a zinc salt of C1 -C4 organic acid; and an aromatic sulfinic acid or a metal salt of an aromatic sulfinic acid. For each hundred par... | 04/24/1984 |
| 4438223 | Blowing agent composition containing zinc formate and metal salt activator A blowing agent composition is provided comprising: (a) zinc formate, and (b) a compound having the formula Mm X, wherein M is sodium or potassium; X is chlorine, bromine, iodine, CO3, HCO3, SO4, SO3, S | 03/20/1984 |
| 4425442 | Process for producing open cell foam and foamable compound A process for producing an open cell foam comprising the steps of: (a) forming a compound comprising polyvinyl chloride resin produced by suspension polymerization, at least one organic stabilizer containing at least one Group I metal and at least one organic ... | 01/10/1984 |
| 4421561 | Water based ink compositions using organic acid Organic carboxylic acid containing from 2 to 12 carbon atoms and having at least two carboxyl groups or at least one carboxyl group and one amino or hydroxy group or anhydride or halide of such acid is used in making aqueous, foam-growth-controlling print... | 12/20/1983 |
| 4413065 | Process for making low density chlorinated polyvinyl chloride foam A low density foam product is formed from a chlorinated polyvinyl chloride polymer (CPVC) composition containing a primary blowing agent and a nucleating system comprised of an alkali metal borohydride and a proton donor activator.... | 11/01/1983 |
| 4403045 | Alkali metal borohydride concentrate Alkali metal borohydride concentrates are prepared by dry blending alkali metal borohydride powder with a dry non-reactive plastic resin, melting and extruding the blended mixture to form an encapsulated alkali metal borohydride concentrate, and then chop... | 09/06/1983 |
| 4399238 | Alkali metal borohydride concentrate Alkali metal borohydride concentrates are prepared by dry blending alkali metal borohydride power with a dry non-reactive plastic resin, melting and extruding the blended mixture to form an encapsulated alkali metal borohydride concentrate, and then chopp... | 08/16/1983 |
| 4397948 | Alkali metal borohydride concentrate Alkali metal borohydride concentrates are prepared by dry blending alkali metal borohydride powder with a dry non-reactive plastic resin, melting and extruding the blended mixture to form an encapsulated alkali metal borohydride concentrate, and then chop... | 08/09/1983 |
| 4394458 | Alkali metal borohydride concentrate Alkali metal borohydride concentrates are prepared by dry blending alkali metal borohydride powder with a dry non-reactive plastic resin, melting and extruding the blended mixture to form an encapsulated alkali metal borohydride concentrate, and then chop... | 07/19/1983 |
| 4394460 | Ethylene-chlorotrifluoroethylene copolymer foam A foam composition comprising an ethylene-chlorotrifluoroethylene copolymer, a blowing agent and a nucleating agent. The nucleating agent is the carbonate or oxide of a metal cation from the group of metals consisting of magnesium, calcium, barium, zinc a... | 07/19/1983 |
| 4394459 | Fast-curing foamable composition based on ethylene terpolymers A crosslinked closed-cell microcellular article of a terpolymer of ethylene, carbon monoxide, and a softening monomer.... | 07/19/1983 |
| 4394288 | Activated ammonium nitrate plastic foam blowing agent Ammonium nitrate activated or catalyzed with certain chromium compounds provides an excellent, low cost blowing or expanding agent(s) for many foamable polymers, including polyethylene(s), polystyrene(s), etc.... | 07/19/1983 |
| 4387170 | Process for the production of foamed materials from polyolefins An improved process for the foaming of polyolefin materials is disclosed where the polyolefin is crosslinked by a peroxide and foamed by a chemical foaming agent combined with an auxiliary foaming agent is disclosed. According to the invention, the auxili... | 06/07/1983 |
