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Synthetic resins or natural rubbers -- part of the class 520 series October categorized by USPTO classification 10/11

20110263808 - Polyhedral oligomeric silsesquioxane polyurethanes: A multi-block thermoplastic polyurethanes system which incorporates polyhedral oligomeric silsesquioxane into conventional biodegradable thermoplastic polyurethanes built up by poly(ε-caproactone) and polyethylene glycol blocks, resulting in biostability. The multi-block thermoplastic polyurethanes are synthesized from lysine-diisocyanate with poly(ε-caprolactone)-diol, polyhedral oligomeric silsesquioxane-diol, and poly(ethylene glycol) using a one-step synthesis process.... Agent: Syracuse University

20110263809 - Process for production of di- and polyamines of the diphenylmethane series: m

20110263810 - Process for preparing polymeric, ionic imidazolium compounds:

20110263811 - Method for producing lactic acid and method for producing polylactic acid: Lactic acid is obtained by a method including (A) a step of continuous fermentation wherein a fermentation culture medium of a microorganism having an ability of lactic acid fermentation is filtered through a porous membrane having an average pore size of not less than 0.01 μm and less than 1... Agent: Toray Industries, Inc.

20110263812 - Ethylene terephthalate type polyester resin for forming containers and process for producing the same: An ethylene terephthalate type polyester resin for forming containers, having an intrinsic viscosity in a range of 0.65 to 0.85 dL/g, a total content of a monohydroxyethyl terephthalate and a bishydroxyethyl terephthalate of less than 0.005% by weight, (a) a heat of fusion of not more than 50 J/g, a... Agent: Toyo Seikan Kaisha, Ltd.

20110263813 - Polybenzimidazole compounds: A PBI compound includes imidazole nitrogens at least a portion of which are substituted with a moiety containing a carbonyl group, the substituted imidazole nitrogens being bonded to carbon of the carbonyl group. At least 85% of the nitrogens may be substituted. The carbonyl-containing moiety may include RCO—, where R... Agent:

20110263814 - Membrane separation process for removing residuals from polyamine-epihalohydrin resins: This invention relates to a process for preparing polyamine-epihalohydrin resins having reduced levels of residuals. The process comprises (a) charging a membrane separation apparatus with an aqueous composition comprising at least one polyamine-epihalohydrin resin, and (b) separating the aqueous composition into a permeate and a retentate by passing the aqueous... Agent: Hercules Incorporated

20110257356 - Synthesis of poly-(p-aryleneethynylene)s in neat water under aerobic conditions: Provided are ethyne synthons comprising boron and related methods. Also provided are related water-soluble arylethynylene polymers capable of being synthesized in neat water under aerobic conditions.... Agent: The Trustees Of The University Of Pennsylvania

20110257357 - Apparatus for heat treatment of polyester particle and method of multistage solid-phase polycondensation of polyester particle: A multistage method for solid-phase polycondensation to prepare polyethylene terephthalate having an intrinsic viscosity of 0.70 dL/g, comprising continuous polycondensation is provided.... Agent: Mitsubishi Chemical Corporation

20110257358 - Method for preparing e-caprolactam from n-acyl-6-aminocaproic acid: The invention relates to a method for preparing ε-caprolactam comprising deacylating N-acyl-6-aminocaproic acid and forming ε-caprolactam. The deacylation may be carried out chemically or biocatalytically. The invention further relates to a host cell, comprising a recombinant vector comprising a nucleic acid sequence encoding an enzyme capable of catalysing the formation... Agent:

20110257359 - Low shrinkage, dyeable mpd-i yarn: The invention relates a heat-treated poly(metaphenylene isophthalamide) polymer fiber having a crystalline structure as represented by a carbonyl stretch peak at a wavelength of 1,650 cm−1 in a Raman spectra response which before coloration with a dye, shrinks linearly 0.4 percent or less when exposed to 285 degrees Centigrade for... Agent: E. I. Du Pont De Nemours And Company

20110257361 - Alkyl benzene tetracarboxylic dianhydride, manufacturing method thereof, polyimide, and application thereof: e

20110257360 - Tetracarboxylic acid or polyesterimide thereof and process for producing the same: An alicyclic polyesterimide produced by imidation of an alicyclic polyesterimide precursor is found to be a useful material in industrial fields, the alicyclic polyesterimide precursor being obtained by reacting an alicyclic tetracarboxylic anhydride having an ester group or a class of tetracarboxylic acid thereof as a starting material with an... Agent: Mitsubishi Chemical Corporation

20110257362 - Polycarbonate copolymer and method of producing the same: The problem to be solved by the present invention is to provide a polycarbonate copolymer containing a plant-derived raw material, which is excellent in the mechanical strength and heat-resistant and assured of small refractive index, large Abbe number, small birefringence and excellent transparency. The present invention provides a polycarbonate copolymer... Agent: Mitsubishi Chemical Corporation

20110257363 - Method for preparing polyarylene sulfide: e

20110251370 - Black soluble conjugated polymers with high charge carrier mobilities: A soluble fused donor-acceptor conjugated polymer (fDA-CP) is prepared that absorbs light throughout nearly all the visible spectrum and is essentially black to the human eye when in the neutral state. The conjugated polymer has acceptor units that are isolated by a plurality of fused donor units. The fDA-CP assumes... Agent:

20110251369 - Photoactive group-bonded polysilsesquioxane having a ladder structure and a method for preparing the same: s

20110251371 - Polyimide resin produced by using silphenylene compound: in which R1 to R4 each independently represents a hydrogen atom or a monovalent hydrocarbon group having 1 to 6 carbon atoms, and R5 and R6 each independently represents a divalent hydrocarbon group having 2 to 8 carbon atoms. The silphenylene compound of the present invention is useful as a... Agent:

20110245448 - Process for producing silicon compound having oxetanyl group: Provided is a method for efficiently producing a cationically curable condensed silicon compound. There was an unsolved problem that, in a condensation reaction, an oxetanyl group is subjected to ring-opening under an acidic condition, while gelation is easily caused under an alkaline condition. It was found that a silicon compound... Agent: Toagosei Co., Ltd.

20110245449 - Melt adhesives containing thermoplastic polyurethanes: The invention relates to an improved method of melt adhesive bonding on the basis of a thermoplastic polyurethane using a thermoplastic polyurethane (TPU) obtainable from essentially a symmetrical aliphatic diisocyanate A and at least one isocyanate-reactive compound B comprising hydroxyl and/or amino groups as an adhesive, wherein the number-average molecular... Agent: Basf Se

20110245450 - Modified polyamide, method for preparing same, and article obtained from said polyamide: A polyamide modified by a compound including at least one hydroxyl group, as well as to a method for preparing such a polyamide, and articles obtained from such a polyamide are described. A polyamide modified by a compound comprising at least one aromatic hydroxyl group and chemically bonded to the... Agent: Rhodia Operations

20110245451 - Method for preparing fine spherical polycarbonate powders and method for preparing high molecular weight polycarbonate resin using same: More specifically, provided are a method for preparing fine round powdery polycarbonate, comprising (A) polymerizing non-phosgene polycarbonate, (B) extruding the polycarbonate into fine round powdery amorphous polycarbonate, (C) surface-crystallizing the fine round powdery amorphous polycarbonate in the presence of a solvent or dispersion medium, and (D) drying the surface-crystallized fine... Agent:

20110245452 - Integrated underwater melt cutting, solid-state polymerization process: Methods for solid-state polymerization (SSP) and more particularly to providing partially crystallized polyester resin, or prepolymer, to an SSP reactor using underwater melt cutting are disclosed. The methods are preferably integrated with nitrogen purification of the SSP reactor effluent to provide nitrogen streams for stripping and/or preheating of pellets from... Agent: Uop LLC

20110245453 - Metal scavenging polymers: A composition comprising a polymer derived from at least two monomers: acrylic-x and an alkylamine, wherein said polymer is modified to contain a functional group capable of scavenging one or more compositions containing one or more metals is disclosed. These polymers have many uses in various mediums, including wastewater systems.... Agent:

20110245454 - Method for producing polyamide: A method of producing polyamide by the direct polycondensation of a diamine component and a dicarboxylic acid component without using a solvent, such as water. The diamine component containing 70 mol % or more of p-xylylenediamine is added to a reaction system containing the dicarboxylic acid component under pressure while... Agent: Mitsubishi Gas Chemical Company, Inc.

20110245455 - Polyimide film: The present invention provides a polyimide film having a good transparency and also an excellent thermal resistance so that it is useful in a transparent conductive film, TFT substrate, a flexible printing circuit substrate, and the like.... Agent: Kolon Industries, Inc.

20110245456 - Biodegradable polymer microparticles and preparation method thereof: The present invention relates to a preparation method for a biodegradable polymer microparticle and a microparticle prepared by the method. More particularly, the present invention relates to a method for preparing a polymer microparticle, wherein the method includes the steps of: dissolving a biodegradable polyester-based polymer in DMSO (Dimethyl Sulfoxide);... Agent: Regen Biotech Inc.

20110245457 - System and method for recycling resin particles: A system and method for recycling resin particles. The system and method includes exposing resin particles to a solvent in a solvent wash tank. Within the tank, the solvent contacts the resin particles and substantially removes the contaminants. After the solvent wash, the resin particles are removed from the solvent... Agent: