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

20090270519 - Porous polymer structures: A method of preparing a porous polymer structure comprising the steps of: forming a liquid composition comprising at least one polymer dissolved in at least one solvent; subjecting the liquid composition to stress, and if necessary also to a reduction in temperature, to cause the liquid composition to form a... Agent: Dobrusin & Thennisch PC

20090270520 - Process for producing flexible polyurethane foam: A release agent (X) containing a first polysiloxane compound (S1) having a number average molecular weight of at least 1,200 and at most 40,000, in which an organic group having an alkylene oxide chain is bonded to some of silicon atoms constituting the polysiloxane chain, is adhered to the inner... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090270521 - Method for manufacturing a fire resistant foam: A method for the manufacture of a fire resistant foam, which includes mixing together the ingredients of a polyol, a di-isocyanate and a sodium silicate, wherein the sodium silicate is heated to liquefy it enough to facilitate mixing it with the polyol and the di-isocyanate. A fire resistant foam, which... Agent: Mark A. Koch Professional Corporation

20090270522 - Blowing agents for polymeric foams: Provided are foam blowing agents comprising one or more chlorofluoroolefins selected from 1,2-dichloro-1,2-difluoroethene, 3,3-dichloro-3-fluoropropene, 2-chloro-1,1,1,3,4,4,4-heptafluoro-2-butene, and 2-chloro-1,1,1,4,4,4-hexafluoro-2-butene, as well as foams produced therefrom.... Agent: Honeywell International Inc. Patent Services

20090270523 - Polyurethane foam-forming compositions containing polysilsesquioxane cell opening agents: The present invention relates to polyurethane foam-forming composition containing polysilsesquioxanes that provide high resilience flexible polyurethane molded foams having improved foam dimensional stability.... Agent: Momentive Performance Materials Inc. C/o Dilworth & Barrese, LLP

20090270524 - Polylactic acid foam: The polylactic acid foam used is low in the load in global environment and high in heat resistance, moldability and compression strain recovery, and this polylactic acid foam can be applied to a wide variety of uses where polyolefin resin foam has been used conventionally, including interior members of vehicles,... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20090270525 - Thermoplastic elastomer composition, foam product, and process for production of the composition or foam product: A thermoplastic elastomer composition having a melt tension of 5.0 cN or more at 210° C. and a pulling rate of 2.0 m/min and a compression set of 80% or less when measured according to JIS K6262 at 70° C. and 22 hours is provided. The composition is obtained by... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090264544 - Polyarylene polymers and ion conducting functionalized polyarylene polymers resulting from pairing bis-diene arylenes and bis-dienophile arylenes via a diels-alder reaction: The invention discloses a group of novel and functionalized arylene polymers that comprise repeat units from a group consisting of polyarylene, polybenzimidazolene, polybenzimidazole, and poly(arylene-co-cyclohexadiene). The compositions are created via Diels-Alder polymerization and result in a polymer that is chemically and thermally stable. The polyarylene polymers can be used to... Agent: Alberto A. Leon, Esq.

20090264545 - Polyester composition and method for preparing articles by extrusion blow molding: Polyester compositions described herein have properties which are particularly suitable for extrusion blow molding (EBM). These properties relate primarily to the rate of crystallization and melt strength or melt viscosity. Articles prepared from the polyester compositions exhibit good clarity, aesthetics, and other physical properties. The polyester compositions also exhibit broad... Agent: Banner & Witcoff, Ltd. And Attorneys For Client No. 006943

20090264546 - Polyester polyols containing secondary alcohol groups and their use in making polyurethanes such as flexible polyurethane foams: Copolyesters containing secondary hydroxyl groups are useful polyols for manufacturing polyurethanes. These can be prepared by reacting a secondary hydroxyl-containing fatty acid or ester thereof with an initiator containing hydroxyl and/or primary or secondary amino groups. A copolyester of particular interest includes a poly(ethylene oxide) segment derived from a poly(ethylene... Agent: The Dow Chemical Company

20090264547 - Visco-elastic polyurethane foam with castor oil: The present invention relates to polyether polyol compositions containing renewable raw materials, a process for preparing visco-elastic polyurethane foams using such compositions, correspondingly prepared visco-elastic foam materials, and the use thereof.... Agent: Connolly Bove Lodge & Hutz, LLP

20090264548 - Polyurethanes made from hydroxy-methyl containing fatty acids or alkyl esters of such fatty acids: Polyurethane polymers are made from a reaction mixture that contains a polyisocyanate, a hydroxylmethyl-containing fatty acid or ester, and another polyol, polyamine or aminoalcohol. The carboxylic acid or ester group on the hydroxymethyl-containing fatty acid or ester are capable of engaging in a variety of reactions with the polyisocyanate and/or... Agent: The Dow Chemical Company

20090264549 - Variable felted polyurethane foams for sponges and wipes: A polyurethane foam sponge that picks up at least 80% of water in a wipe dry performance test is made by variably felting (compressing under heat and pressure) a foam sheet to a compression ratio of about 1.05 to 2.9. The resulting foam sponge has from 5% to 25% of... Agent: Connolly Bove Lodge & Hutz, LLP

20090264550 - Manufacturing method of a membrane and a membrane thereof, for emulsification: A manufacturing method of a membrane, a membrane obtained therefrom, and a use of said membrane for membrane emulsification. A desired shape of the membrane pores for spontaneous interfacial tension driven droplet formation is achieved by stretching the membrane material containing pores with a first shape, such that a second... Agent: Capitol City Techlaw, PLLC

20090258957 - Recycled plastic composition: A method of producing settable, strong, rigid, durable and machinable compositions including plastics and organic fibres including the steps of: (a) forming a polyolefin source of plastic into particle sizes about 2 mm to 10 mm in diameter; (b) forming a polystyrene source of plastic into particle about 2 mm... Agent: Richard M. Goldberg

20090258958 - Expandable tfe copolymers, methods of making, and porous, expanded articles thereof: A true tetrafluoroethylene (TFE) copolymer of the fine powder type is provided, wherein the copolymer contains polymerized comonomer units of at least one comonomer other than TFE in concentrations of at least or exceeding 1.0 weight percent, and which can exceed 5.0 weight percent, wherein the copolymer is expandable, that... Agent: Gore Enterprise Holdings, Inc.

20090258959 - Method of preparing mdi-based polyurethane polymer: Disclosed is a method of preparing MDI-based polyurethane polymer having a density in a range of between 25 and 80 kg/m3. The method includes the steps of a) mixing a first main raw material including methylene diphenyl diisocyanate polymer and carbonized methylene diphenyl diisocyanate, a second main raw material including... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20090253816 - Composition for preparing a biodegradable polyurethane- based foam and a biodegradable polyurethane foam: Composition for preparing a biodegradable polyurethane-based foam and a biodegradable polyurethane foam, comprising mixtures based on poly(hydroxybutyrate) polymer, polyols of renewable source, isocyanates and additives, with the object of preparing biodegradable polyurethane foams. In the process, the poly(hydroxybutyrate) plus the polyol, the isocyanate and the additives are previously mixed in... Agent: Darby & Darby P.C.

20090253817 - Polyurethane foams containing silicone surfactants: The present invention relates to polyurethane foam prepared from a polyurethane foam-forming reaction mixture possessing a silicone copolymer surfactant, methods for making the surfactant, and a process for preparing low density polyurethane foams.... Agent: Momentive Performance Materials Inc. C/o Dilworth & Barrese, LLP

20090253818 - Synthetic cork stopper: A synthetic cork stopper which has excellent gas-barrier properties and is satisfactory in sealing properties and suitability for opening. The synthetic cork stopper is obtained by foaming a composition including (a) an isobutylene-based block copolymer comprising a polymer block comprising isobutylene as its main component and a polymer block formed... Agent: Hamre, Schumann, Mueller & Larson, P.C.

20090253819 - Process for preparing polyurethanes: The invention relates to a process for the preparation of polyurethanes by reacting polyisocyanates a) with compounds having at least two hydrogen atoms reactive with isocyanate groups b), wherein a polyisocyanate a) used is at least one polyisocyanate ai) having an average functionality of greater than 2, a content of... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090253820 - Foaming agents and compositions containing fluorine sustituted olefins and methods of foaming: where X is a C1, C2, C3, C4, or C5 unsaturated, substituted or unsubstituted radical, each R is independently Cl, F, Br, I or H, and z is 1 to 3, it generally being preferred that the fluoroalkene of the present invention has at least four (4) halogen substituents, at... Agent: Honeywell International Inc. Patent Services

20090253821 - Polyurethane foam with water absorbency and yellowing resistance: A polyurethane foam is obtained by reacting raw materials containing a polyisocyanate, a polyol, a water-absorbency-imparting agent, a catalyst, and a blowing agent, foaming the reaction mixture, and curing the foamed product. The polyol is a polyester polyol. The water-absorbency-imparting agent is a polyoxyalkylene compound having a molecular weight of... Agent: Crompton, Seager & Tufte, LLC

20090253822 - Polyurethane foam and method for manufacturing the same: A polyurethane foam is obtained by reacting, foaming, and curing raw material that includes a polyol, a polyisocyanate, a blowing agent, a catalyst, and an inorganic compound hydrate. The raw material includes, as the polyol, a polymeric polyol obtained by graft polymerization of a vinyl monomer onto a polyether polyol... Agent: Marsh, Fischmann & Breyfogle LLP