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Synthetic Resins Or Natural Rubbers -- Part Of The Class 520 Series > Synthetic Resins Or Natural Rubbers > Ion-exchange Polymer Or Process Of Preparing > Cellular Product Formation Prior To Or During Solid Polymer Formation In The Presence Of A Stated Ingredient Other Than Water > Ingredient Contains Only Carbon And Hydrogen Atoms, Only C And Halogen Atoms, Or Only C, H, And Halogen Atoms Ingredient Contains Only Carbon And Hydrogen Atoms, Only C And Halogen Atoms, Or Only C, H, And Halogen AtomsIngredient Contains Only Carbon And Hydrogen Atoms, Only C And Halogen Atoms, Or Only C, H, And Halogen Atoms patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.01/11/07 - 20070010592 - Foaming agents and compositions containing fluorine substituted olefins and methods of foaming Various uses of fluoroalkenes, including tetrafluoropropenes, particularly (HFO-1234) in a variety of applications, including as blowing agents are disclosed. ... 12/14/06 - 20060281826 - Foam premixes having improved processability A method for improving the processability of foam premixes containing HFC and/or pentane-based blowing agents in polyols is provided, which method comprises adding trans-1,2-dichloroethylene to said premix in an amount effective to enhance said processability. ... 11/30/06 - 20060270746 - Carbon dioxide blown low density, flexible microcellular polyurethane elastomers Microcellular polyurethane flexible foams having densities no greater than 0.3 g/cc which are suitable for use as lightweight shoe sole components are produced with carbon dioxide in an amount such that the polyurethane-forming mixture has a free rise density of from about 0.03 to about 0.3 g/cc. At least a ... 11/16/06 - 20060258762 - Hydrocarbon or hydrofluorocarbon blown astm e-84 class i rigid polyurethane foams The present invention provides a rigid polyurethane foam formed by the reaction product, at an isocyanate index of about 160 or less, of a polyisocyanate, a polyol component containing an aromatic polyester polyol, and a sucrose-initiated polyether polyol and a flame retardant component made from a chlorine-containing combustion modifier and ... 09/28/06 - 20060217451 - Polyurethane or polyisocyanurate foam composition Polyurethane or polyisocyanurate foam composition wherein at least 10 percent of the blowing gas volume is carbon dioxide formed from the reaction of polyisocyanate and water or organic acid and including a dipolar aprotic solvent in an amount from 1 percent by weight to 10 percent by weight based on ... 09/14/06 - 20060205831 - Process for producing blowing agents comprised of foaming agent-containing zeolites, zeolites produced thereby and methods of foaming therewith The present invention describes methods for preparing composition(s) for use as blowing agent(s), which methods comprise exposing zeolite(s) to foaming agent(s) so that the foaming agent is carried by the zeolite, in an amount sufficient to foam foamable material, but at least 30% by weight, based on the total weight ... 07/20/06 - 20060160911 - Process for making polyurethane and polyisocyanurate foams using mixtures of a hydrofluorocarbon and methyl formate as a blowing agent A process for preparing polyurethane or polyisocyanurate foam by reacting and foaming a mixture of a polyol, and an isocyanate in the presence of a blowing agent which comprises: i) 22 to 78 mole percent of a hydrofluorocarbon; ii) 22 to 78 mole percent of methyl formate; and iii) 0 ... 07/20/06 - 20060160910 - Hydrofluorocarbon compositions A composition which comprises 1,1,1,3,3-pentafluorobutane (HFC-365mfc) and 1,1,1,3,3-pentafluoropropane (HFC-245fa) in a weight ratio HFC-365mfc/HFC-245fa of from 60:40 to 75:25. ... 07/06/06 - 20060148918 - Process for the manufacture of a polymer foam A process for manufacturing a polymer foam which comprises an exothermal foaming step carried out in the presence of a means for preventing heat accumulation. ... 04/20/06 - 20060084710 - Flexible foams with low bulk densities and compressive strengths The present invention provides flexible polyurethane foams with bulk densities less than about 15 kg/m3 and compressive strengths less than about 1.5 kPa and a process for producing these foams. The inventive foams are produced where polyisocyanates are reacted with special polyol mixtures in combination with high amounts of water ... 04/20/06 - 20060084709 - High-temperature rigid polyurethane spray foam for pipe insulation The present invention provides a rigid polyurethane spray foam, which is made using cyclopentane as the blowing agent and which is useful for pipe insulation because of its ability to withstand high-temperatures (>250° F.). The inventive foams may be sprayed with existing foam spraying equipment because the foams are reacted ... 04/06/06 - 20060074137 - Process for preparing expandable polystyrene resin and expandable polystyrene resin composition Provided are a process for preparing an expandable polystyrene (EPS) resin using polyoxyethylene sorbitan monolaurate and a polyethylene wax synthesized from methylene oxide, and an EPS resin composition including a Sasol-wax which is a polyethylene wax synthesized from methylene oxide. The EPS resin is excellent in expandability and strength, and ... 10/06/05 - 20050222287 - Electronically controlled direct injection foam delivery system and method of regulating flow of foam into water stream based on conductivity measure Fire fighting equipment uses an electronically controlled direct injection foam delivery system (10). A water pump (14) pumps water through a pipe (24). A foam pump (36) pumps foam into a mixing chamber (46) within the pipe to produce a water-foam mixture. A microprocessor-based control circuit (20) controls the water ... ### FreshPatents.com Support |