Synthetic resins or natural rubbers -- part of the class 520 series inventions 12/08

20080319095 - Thermosetting polyamide foam, uses thereof, and method for producing thermosetting polyamide: A thermosetting polyamide foam prepared by reacting a polyisocyanate compound with a polyester polycarboxylic acid using a compound having a P═N bond as a catalyst under conditions of an NCO index of not less than 1.6. The polyamide foam is excellent in heat resistance (thermal decomposition resistance) and moldability, and... Agent: Buchanan, Ingersoll & Rooney PC

20080319096 - Polyisocyanates and polyurethanes containing polymer modifiers and their use: The invention relates to polymer-modified polyisocyanates and to polyurethanes prepared therefrom, and to their use in the production of polyurethane molded bodies. The polyisocyanates are modified with thermoplastic vinyl polymers having a number average molecular weight of from 15 to 90 kg/mol.... Agent: Bayer Material Science LLC

20080312350 - Crosslinked aromatic polymer electrolyte membrane and method for producing same: An aromatic polymer film substrate, or a grafted aromatic polymer film substrate having a monomer introduced therein as graft chains is irradiated with ionizing radiation to impart a crosslinked structure. The aromatic polymer film substrate or the grafted aromatic polymer film substrate, provided with the crosslinked structure, is directly sulfonated... Agent: Staas & Halsey LLP

20080312349 - Method of making and using membrane: A process is provided that includes attaching a zwitterion to a polymer or a copolymer, wherein the polymer or copolymer comprises a polyarylene ether or a polyarylene.... Agent: Cantor Colburn LLP - Sabic (noryl)

20080312351 - Tetraalkylammonium carboxylate salts as trimerization catalysts for spray foam applications: The present invention provides a method to produce a polyisocyanurate/-polyurethane spray foam using a trimerization catalyst composition having tetraalkylammonium salt of a sterically hindered carboxylic acid or an α,β-unsaturated carboxylic acid.... Agent: Air Products And Chemicals, Inc. Patent Department

20080312352 - Dyes and dye mixtures for dying polymers, method for the production thereof and their use: e

20080312353 - Process for preparation of high-molecular-weight polyamides: Process for preparation of high-molecular-weight polyamides, which comprises reacting a polyamide A) at a temperature of from 150 to 350° C. with a compound B) which at this reaction temperature liberates isocyanic acid, where the concentration of the amino end groups in the polyamide A) used is greater than or... Agent: Connolly Bove Lodge & Hutz LLP

20080306174 - Method for decanting preconditioned ion-exchange resin suspensions: A process for the storage or transportation of pretreated, conditioned ion exchangers as catalysts for chemical reactions is disclosed. The preconditioned ion-exchange resin is kept as preconditioned ion-exchange resin suspension in a storage or transporting container. The container with the preconditioned ion-exchange resin suspension is transported to either a storage... Agent: Connolly Bove Lodge & Hutz, LLP

20080306175 - Trans-1,2 dichloroethylene composition: The present invention relates to a composition based on trans-1,2-dichloroethylene. A subject-matter of the invention is more particularly a nonflammable composition comprising trans-1,2-dichloroethylene and at least two hydrofluorocarbons and its uses.... Agent: Arkema Inc. Patent Department - 26th Floor

20080306176 - Nco prepolymers having a low content of free monomeric diisocyanate, and the production thereof: The present invention relates to NCO prepolymers having a low content of free monomeric diisocyanate, to a process for the production of these NCO) prepolymers, to polyurethanes prepared from these NCO prepolymers and to processes for the production of these polyurethanes.... Agent: Connolly Bove Lodge & Hutz, LLP

20080300328 - Process for the preparation of expandable polystyrene beads: P

20080300329 - Modified open-cell foams, and method for the production thereof: Modified open-cell foams with a density in the range from 5 to 1000 kg/m3 and with an average pore diameter in the range from 1 μm to 1 mm, comprising an amount in the range from 1 to 2500% by weight based on the weight of the unmodified open-cell foam,... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080300330 - Foam extrusion process using multiple independent restraining elements: A foam extrusion process using multiple independent restraining elements (50) by extruding a foamable composition from a die to form an expanding polymeric foam and then contact a surface of the foam with multiple independent restraining elements, each having a width less than the width of the expanding foam.... Agent: The Dow Chemical Company

20080300331 - Polymeric foam containing long carbon nano-tubes: Prepare a polymer foam having cells defined by cell walls having an average thickness and carbon nano-tubes having a length that exceeds the average thickness of the cell walls by incorporating the carbon nano-tubes into expandable polymer beads in a suspension polymerization process and then expanding the expandable polymer beads... Agent: The Dow Chemical Company

20080300332 - Microporous material and a method of making same: A method for producing a microporous material comprising the steps of: providing an ultrahigh molecular weight polyethylene (UHMWPE); providing a filler; providing a processing plasticizer; adding the filler to the UHMWPE in a mixture being in the range of from about 1:9 to about 15:1 filler to UHMWPE by weight;... Agent: Hammer & Associates, P.C.

20080300333 - Process for preparation of vinylaromatic-vinyl cyanide copolymers comprising anhydrides: m

20080300334 - Thermoplastic resin foam: A thermoplastic resin foam which has both high reflectance and superior shape-retention properties, suitable for use in backlights and illumination boxes for illumination signboards, lighting fixtures, displays and the like. The thermoplastic resin foam is manufactured by a manufacturing method including a procedure for holding a resin sheet composed of... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080300335 - Process for producing viscoelastic polyurethane foams: b4) from 0 to 20 parts by weight of at least one graft polyetherol which can be prepared by in-situ polymerization of olefinically unsaturated monomers in a polyether alcohol consisting of polyoxypropylene units or polyoxypropylene units and not more than 50% by weight, based on the total amount of alkylene... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.