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| Number | Title | Issue Date |
| 7288577 | Polyurethane foam containing flame retardant blend of non-oligomeric and oligomeric flame retardants A polyurethane foam can be flame retarded by the incorporation therein of a flame retardant blend that comprises: (a) a non-oligomeric non-halogenated organophosphorus flame retardant (e.g., a phosphate ester) that is adapted for use in a polyurethane foam formulati... | 10/30/2007 |
| 7122135 | Blend of organophosphorus flame retardant, lactone stabilizer, and phosphate compatibilizer A flame retardant blend, suitable for incorporation into a polyurethane foam, comprises: an oligomeric organophosphourus flame retardant, preferably an organophosphate, having a phosphorus content of no less than about 10%; a benzofuran-2-one stabilizer; and a monom... | 10/17/2006 |
| 7005457 | Multi-functional microencapsulated additives for polymeric compositions Multi-functional microcapsules comprising a core material including a major portion of one or more functional additives and a shell material including at least one functional additive, a method of manufacturing such multifunctional microcapsules and polymeric produc... | 02/28/2006 |
| 6555591 | Foam cross-linked with metal salt and process for production The present invention has its object to provide a foam outstanding in electrification and heat insulating and sound insulating properties and has high compressive strength even when it has low density. The present invention relates to a foam comprising an... | 04/29/2003 |
| 6444718 | Aquerous urea for fire control Aqueous urea and/or aqueous urea condensate and/or aqueous urea composition may be utilized to fight grass, forest, building, and other flammable organic material by applying it to these flammable organic materials. The aqueous urea and/or aqueous urea co... | 09/03/2002 |
| 6262135 | Polyurethane foam containing a blend of monomeric and oligomeric flame retardants A flame retardant blend is disclosed that comprises: (a) a monomeric halogenated organic flame retardant that is adapted for use in a polyurethane foam formulation; and (b) an oligomeric organophosphate flame retardant having a phosphorus content of no le... | 07/17/2001 |
| 6194475 | Use of metal salts of ricinoleic acid in producing polyurethane The invention relates to the use of metal salts of ricinoleic acid or solutions thereof in water or in organic solvents in producing polyurethane foams.... | 02/27/2001 |
| 6080353 | Method of molding a heat-resistant container A method of molding a heat-resistant container comprising a primary blow molding step, a primary heat treatment step, a secondary heat treatment step, and a secondary blow molding step. In the primary blow molding step a synthetic resin preform is blow-mo... | 06/27/2000 |
| 6010565 | Foamed material for fireproofing and/or insulating This invention relates to a foamed material for fireproofing and/or insulating purposes, consisting of 30 to 90 parts by weight of a solution that contains 20 to 70 wt-% Al (H2 PO4)3 and 30 to 80 wt-% water, 5 to 55 parts ... | 01/04/2000 |
| 5981612 | Production of flameproofed, rigid, isocyanate-based foams The flameproofed, rigid, isocyanate-based foams, in particular rigid polyurethane and polyisocyanurate foams, are produced by reacting a) organic and/or modified organic polyisocyanates with b) at least one relatively high-molecular-weight compound containing at ... | 11/09/1999 |
| 5779775 | Stock solution composition for use in production of hard polyurethane foam The object of the present invention is to provide a stock solution composition for use in production of hard polyurethane foam, which composition can disperse the flame retardant filler component stably therein when allowed to stand and, when subjected to... | 07/14/1998 |
| 5776992 | Halogen-free, flame retardant rigid polyurethane foam The invention relates to a halogen-free, flame retardant rigid polyurethane foam based on polyether-polyols and polyisocyanates, which comprises, as the polyol component, mixtures of nitrogen-free and nitrogen-containing polyether-polyols and, as the flam... | 07/07/1998 |
| 5741827 | Production of flame-resistant flexible polyurethane foams Flame-resistant flexible polyurethane foams are produced by reacting a) organic and/or modified organic polyisocyanates, b) relatively high molecular weight compounds containing at least two reactive hydrogen atoms and c) if desired, low molecular weight chain exte... | 04/21/1998 |
| 5719200 | Flame-resistant polyurea foam The flame-resistant polyurea foam of the invention contains calcium sulfate dihydrate as filler and ammonium polyphosphate as flame retardant. Its bulk density is from 25 to 250 kg/m3 and the number of open cells is above 80% of all its cells. ... | 02/17/1998 |
| 5622999 | Polysilicic acid/polyisocyanate basic materials, binding materials and foams and process for preparing same The invention relates to novel polysilicic acid/polyisocyanate basic materials, binding materials and foams with improved mechanical properties as well as a higher resistance against heat and chemicals. It is characteristic of the new base materials that ... | 04/22/1997 |
| 5569682 | Fire-retardant polyurethane foams and method of producing A flexible polyurethane foam is made by reacting an isocyanate with a polyol in the presence of a foam-forming agent and a fire-retardant additive. The fire-retardant additive comprises melamine and this is used in conjunction with a polyol which is of th... | 10/29/1996 |
| 5536757 | Polyurethane foams A flexible polyurethane foam is made by reacting an isocyanate with a polyol in the presence of a foam-forming agent and a fire-retardant additive. The fire-retardant additive comprises melamine and this is used in conjunction with a polyol which is of th... | 07/16/1996 |
| 5506278 | Polyurethane foams A flexible polyurethane foam is made by reacting an isocyanate with a polyol in the presence of a foam-forming agent and a fire-retardant additive. The fire-retardant additive comprises melamine and this is used in conjunction with a polyol which is of th... | 04/09/1996 |
| 5393569 | Water-permeable and fire-resistant film and a preparing method thereof A water-permeable and fire-resistant film and the preparing method thereof is disclosed. The water-permeable and fire-resistant film comprises polyurethane resin; a first fire-resistant agent; a second fire-resistant agent, an inorganic fire-resistant age... | 02/28/1995 |
| 5376208 | Water-permeable and fire-resistant product and a preparing method thereof A water-permeable and fire-resistant product and the preparing method thereof is disclosed. The waterpermeable and fire-resistant product is made of a fabric layer and a purous film adhered thereon. The porous film of this invention comprises polyurethane... | 12/27/1994 |
| 5229427 | Flexible, combustion-modified, polyurethane foams Polyurethane foams of excellent properties are produced by reacting a) one or more polyether polyols, b) a polymethylene poly(phenyl isocyanate) having a methylene-bis(phenyl isocyanate) content of from 70 to 77% by weight, c) melamine, d) a phosphorous c... | 07/20/1993 |
| 5223549 | Process for the production of rigid polyurethane foams Rigid polyurethane foams are produced by reacting a polyisocyanate with a polyester containing at least two isocyanate-reactive hydrogen atoms and having a molecular weight of 400 to 10,000 in the presence of water, an organic blowing agent, a flameproofi... | 06/29/1993 |
| 5192811 | Process for preparing a flame-resistant, elastic soft polyurethane foam A process for preparing a flame-resistant, elastic soft polyurethane foam includes admixing a portion of expanded graphite having a particle size of from 0.2 to 1 mm as a flame retardant and a portion of melamine, with a foam reaction mixture of polyol an... | 03/09/1993 |
| 5175194 | Process and composition for producing flame retardant rebonded foam products A flame retardant composition and process which is particularly useful for rebonded foam products. The composition of the present invention includes a solid component of magnesium sulfate, boric acid, decabromodiphenylethylene oxide (DECA) and antimony tr... | 12/29/1992 |
| 5173515 | Fire retardant foams comprising expandable graphite, amine salts and phosphorous polyols New particularly effective fire retardent elements based on foams and expandable graphite are characterized in that they additionally contain one or more components from the group consisting of phosphate-containing polyols, borates and amine salts.... | 12/22/1992 |
| 5171758 | Flame retardant urethane foams made using propylene oxide-based polyols The present invention relates to a process for making a flame retardant polyurethane foam which comprises reacting a reaction mixture consisting essentially of a propylene oxide-based polyol that is essentially free of ethylene oxide moieties, a polyisocy... | 12/15/1992 |
| 5169875 | Urethane composition A flame-retardant spray-foamable phenolic urethane composition comprising a polyisocyanate component, a polyol component, an urethane-forming catalyst, a blowing agent and a foam stabilizer, wherein the polyol component comprises: (1) a modified benzylic ... | 12/08/1992 |
| 5156762 | Synergistic stabilizer compositions for polyols and polyurethane foam Polyether polyols and polyurethane foams are stabilized by including therein a liquid stabilizer composition of (a) 2,6-di-tert-butyl-4-sec-butylphenol, (b) a reaction product of diisobutylene, styrene and diphenylamine and (c) phenothiazine or C | 10/20/1992 |
| 5143943 | Synergistic stabilizer compositions for polyols and polyurethane foam Polyether polyols and polyurethane foams are stabilized by including therein a liquid stabilizer composition of (a) 2,6-di-tert-butyl-4-sec-butylphenol, (b) a reaction product of diisobutylene, styrene and diphenylamine and (c) phenothiazine or C | 09/01/1992 |
| 5135961 | Stabilized flame retardant polyol composition Polyol compositions comprising a polyol and a halogenated flame retardant are stabilized for storage and handling by the addition of a stabilizing amount of an amine.... | 08/04/1992 |
| 5124367 | Fire retardant compositions comprising dispersion of fire retardant in isocyanate-reactive compound with fatty acid ester and/or amide as dispersing agent A fire retardant composition comprising a dispersion of a solid fire retardant additive in a liquid isocyanate-reactive compound having a functionality of from 2 to 8 and an average equivalent weight of from about 31 to about 5000 and, as anti-settling ag... | 06/23/1992 |
| 5114981 | Process and composition for producing flame retardant rebonded foam products A flame retardant composition and process which is particularly useful for rebonded foam products. The composition of the present invention includes a solid component of magnesium sulfate, boric acid, decabromodiphenylethylene oxide (DECA) and antimony tr... | 05/19/1992 |
| 5096623 | Process and composition for producing flame retardant rebonded foam products A flame retardant composition and process which is particular useful for rebounded foam products. The composition of the present invention includes a solid component of magnesium sulfate, boric acid, decabromodiphenylethylene oxide (DECA) and antimony tri... | 03/17/1992 |
| 5093378 | Process for producing flexible polyurethane foam An improved process for producing a flexible polyurethane foam having improved flame retardance and physical properties by reacting a polyhydroxy compound and a polyisocyanate compound in the presence of a blowing agent, wherein the improvement comprises ... | 03/03/1992 |
| 5087384 | Melamine preparation and stable dispersion of melamine in polyether polyols A melamine preparation consisting of 80 to 99.9% by weight of melamine having an average particle size of 0.01 to 0.1 mm and 0.1 to 20% by weight of urea, thiourea, biuret or urea or thiourea substituted by lower alkyl groups and a stable dispersion in po... | 02/11/1992 |
| 5086082 | Ignition resistant polyurethane foams with melamine Improved ignition resistant, flexible, open-celled polyurethane foams are described. The foams are formed in situ from the reaction, in the presence of a catalyst, of an isocyanate, one or more blowing agents including water, a foam stabilizer, a polyethe... | 02/04/1992 |
| 5059637 | Endothermic fire protective material A water-base endothermic fire protective material comprising a heat curable thermosetting resin, inorganic fibers, an endothermic inorganic filler, and thermoplastic binder resin is disclosed. The material can vary in viscosity from a putty that is moldab... | 10/22/1991 |
| 5057545 | Fire retardant foam materials A fire retardant flexible polyurethane foam and method for its production are provided. The foam is prepared by reacting in the presence of a metallic catalyst and a non-metallic catalyst (a) a polyol having a molecular weight between about 1000 and about... | 10/15/1991 |
| 5010113 | Flame-retardant polyurethane products Flame-retardant polyurethane products are produced by mixing and reactive an amino-salt of a phosphorus acid, a compound containing at least two reactive hydrogens, and a compound containing at least two isocyanate radicals. This improved polyurethane pro... | 04/23/1991 |
| 5006564 | Process for the production of flame-retardant polyurethane foams This invention relates to a process for preparing flame-retardant polyurethane foams comprising impregnating an open-cell polyurethane foam with a mixture of a cross-linkable polychloroprene elastomer latex; a flame-retarding zinc salt of a metaboric or p... | 04/09/1991 |
