Synthetic resins or natural rubbers -- part of the class 520 series inventions 12/07

20070299149 - Method of making and using sorbent and filtering material from secondary waste rubber: A method of making a sorbent from waste rubber and a method of sorbing oil using such sorbent. Approximately two pounds of modifier is added to 100 pounds of vulcanized rubber waste, the modifier comprising a mixture by weight of (i) a slightly water-soluble organic acid having a melting point... Agent: Steven Horowitz

20070299152 - Cell size enlargers for polystyrene foams: Polymer extruded foams that contain cell size enlarging agents are provided. The inventive composition includes a foamable polymer material, at least one blowing agent, and at least one cell size enlarging agent. The blowing agent utilized in the inventive composition is preferably selected such that the composition has a zero... Agent: Owens Corning

20070299150 - Method for recycling pet bottle: A through process comprising depolymerization reaction of used PET bottles with EG, recovering DMT by ester interchange reaction with MeOH, obtaining terephthalic acid by hydrolysis of the recovered DMT, and manufacturing a PET polymer which can be used for manufacturing PET bottles again by using the terephthalic acid.... Agent: Rader Fishman & Grauer PLLC

20070299151 - Degradable polyurethane foams: A method of synthesizing of a biocompatible and biodegradable polyurethane foam includes the steps of: mixing at least one biocompatible polyol, water, at least one stabilizer, and at least one cell opener, to form a resin mix; contacting the resin mix with at least one polyisocyanate to form a reactive... Agent: Bartony & Hare, LLP

20070299153 - Viscoelastic foams with slower recovery and improved tear: This invention relates to low resilience, viscoelastic foams which have slower recovery and improved tear strength, and to a process for the production of these foams. The viscoelastic foams of the invention comprise the reaction product of a polyisocyanate with an isocyanate-reactive component, in the presence of a blowing agent,... Agent: Bayer Material Science LLC

20070293591 - Depolymerization method for polymer containing ester bond in main chain and method for producing polymer containing ester bond in main chain from depolymerization product: The invention provides a depolymerization method for a polymer containing an ester bond in a main chain, by causing a solid acid catalyst to an on a polymer containing an ester bond in a main chain to depolymerize the polymer, thereby obtaining a re-polymerizable monomer and/or oligomer as a depolymerization... Agent: Oliff & Berridge, PLC

20070293592 - Fluoropolymer foams, process to make them and applications thereof: Described is a process for making closed cell fluoropolymer foam, and the foam so made. The process includes subjecting a fluoropolymer resin an inert gas at a pressure higher than atmospheric to drive gas into the resin, raising the temperature of the resin to or above its softening point, and... Agent: Dewitt Ross & Stevens S.c.

20070293593 - Low density polylactic acid polymeric foam and articles made thereof: This invention presents a process whereby thermoplastic polylactic acid polymers foams having the desirable properties for manufacture of thermoformed articles may be made. It has been found that introduction of a dual functional reactive agent into the melt will improve the relevant properties of the melt and thus, the resultant... Agent: Kenyon & Kenyon LLP

20070293594 - Viscoelastic polyurethane foam and process for its manufacture: The present invention provides a viscoelastic polyurethane foam and a process for the manufacture of such foam. The foam-forming composition of the present invention utilizes a cell opener that inhibits or reduces foam shrinkage that is detrimental to viscoelastic polyurethane foam properties.... Agent: Dilworth & Barrese, LLP

20070293595 - Initiation of polymerization by hydrogen atom donation: This invention relates to the polymerization of vinylically-unsaturated monomers in the presence of a chain transfer catalysts where the polymerization process is initiated with hydrogen gas or a hydrogen atom donor rather than conventional free radical initiators. This invention further relates to an improved process for the polymerization of vinylically-unsaturated... Agent: E I Du Pont De Nemours And Company Legal Patent Records Center

20070293596 - Means and method for producing a fire protection element and corresponding fire protection element: An agent and method for manufacturing a fire protection element on the basis of polyurethane foams from a polyol component and a diisocyanate component, the polyol component containing at least one phosphorus-containing polyol and wherein the polyol component and the diisocyanate component do not contain any borate.... Agent: Pyle & Piontek Attn: Thomas R. Vigil

20070287760 - Process for macroporous acrylic resins: A method for producing a macroporous acrylic resin in an aqueous suspension from a C1-C4 alkyl acrylate, an organic solvent and a crosslinker.... Agent: Rohm And Haas Company Patent Department

20070287761 - Catalyst compositions for improving polyurethane foam performance: The present invention provides a reactive catalyst composition for making a water blown flexible polyurethane foam. The catalyst composition comprises one or more tertiary amine catalysts in combination with (1) 2-methyl-1,3-propanediol or (2) a blend of 2-methyl-1,3-propanediol and a C7+ alkanol. The use of such catalyst composition improves the physical... Agent: Air Products And Chemicals, Inc. Patent Department

20070287762 - Tertiary amine capped polyether polyols: The present invention pertains to polyols having autocatalytic properties in urethane formation. Such polyols are prepared by end-capping polyols with a tertiary amine. The invention also discloses the process for producing such polyols an their use in production of polyurethane products.... Agent: The Dow Chemical Company

20070282023 - Fluoropolymer dispersions and membranes: The invention is directed to fluoropolymer organic-liquid dispersions and membranes containing a homogeneous mixture of reacted and unreacted sulfonyl halide groups. The dispersions are useful in the preparation of crosslinked membranes.... Agent: E I Du Pont De Nemours And Company Legal Patent Records Center

20070282022 - Process to prepare fluoropolymer dispersions and membranes: Described is a process to prepare fluoropolymer organic-liquid dispersions containing a homogeneous mixture of reacted and unreacted sulfonyl halide groups. The dispersions are useful in the preparation of crosslinked membranes.... Agent: E I Du Pont De Nemours And Company Legal Patent Records Center

20070282024 - Process for producing porous object and porous object obtained by the same: A process for producing a porous object is provided that makes it possible to control pore sizes, particularly not only smaller pore sizes but also larger pore sizes. The pore sizes are controlled by: preparing a mixed solution containing a polymer including a copolymer of lactide and caprolactone, a solvent... Agent: Hamre, Schumann, Mueller & Larson, P.C.

20070282025 - Very small-diameter open-cell polymer foams and their manufacturing process: The invention relates to novel foams obtained by highly concentrated internal phase emulsion polymerization, which are formed from a crosslinked, exclusively hydrocarbon, polymer based on styrenic monomers, and having a density of 40 to 260 mg/cm3 and cells with a mean diameter of 10 microns or less. It also relates... Agent: Thelen Reid Brown Raysman & Steiner LLP

20070282026 - Low-odor catalyst for isocyanate-derived foams and elastomers: Provided herein are catalysts useful in providing foam products which are produced using an organic poly isocyanate as a starting material. A catalyst according to the present invention includes the tris-(hydroxyethyl)methyl ammonium cation, and optionally potassium cation, in combination with a variety of possible counter anions present to maintain charge... Agent: Legal Department Huntsman Corporation

20070282027 - Vinyl chloride resin composition and molded article thereof: A thermally expandable vinyl chloride resin composition is provided. It includes (A) 100 parts by mass of a vinyl chloride resin, (B) 5 to 200 parts by mass of an inorganic filler, (C) 10 to 300 parts by mass of a thermally expandable graphite, (D) 0.1 to 10 parts by... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070282028 - Method for producing polyurethane-soft foam materials: The invention relates to a process for producing flexible polyurethane foams, in particular molded flexible polyurethane foams, by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups, wherein at least one polyether alcohol bi) which has been prepared by means of... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070282029 - Process for the production of rigid and semi-rigid foams with low amounts of diisocyanate using polymer polyols characterized by high solids and a high hydroxyl number and the resultant foams: This invention relates to a process for the production of rigid and semi-rigid foams at low isocyanate levels, and to the foams produced by this process. The process comprises reacting a polyisocyanate component with an isocyanate-reactive component, in the presence of at least one blowing agent, at least one surfactant... Agent: Bayer Material Science LLC