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| Number | Title | Issue Date |
| 8071713 | Iodinated resin manufacturing process and product The invention provides a novel method for manufacturing iodinated resin particulates that have widespread utility as disinfectants. The invention also provides novel iodinated demand disinfectant iodinated resins that have superior properties than resins known in th... | 12/06/2011 |
| 8053548 | Hydrophilic surface modification of polydimethylsiloxane A method for the preparation of hydrophilic elastomers involves the synthesis of polydimethylsiloxane with tunable hydrophilic surface properties. An elastomeric monolith with desired hydrophilic properties is produced by combining a polyethylene oxide polymeric sur... | 11/08/2011 |
| 8053549 | Method for the preparation of fluoropolymer powdered materials A method for the preparation of a modified fluoropolymer powdered material is disclosed. A suspension of solid fluoropolymer particles together with PTFE particles in an aqueous carrier, is frozen and the frozen carrier is then removed by sublimation at sub-atmosphe... | 11/08/2011 |
| 8017723 | Steam heated polyester production process Processes for making polyesters in a polyester production facility are disclosed, that include the steps of forming a reaction medium comprising at least one monomer that includes terephthalic acid (TPA) and/or an ester derivative of TPA; subjecting at least a porti... | 09/13/2011 |
| 8017724 | Method for producing sulfonic acid group-containing carbonaceous material, solid acid catalyst, method for producing alkylation reaction product, and method for producing olefin polymer The method for producing a sulfonic acid group-containing carbonaceous material of the present invention comprises the step of carbonizing and sulfonating a polymer having a structural unit derived from resorcinol by heating in an inert gas atmosphere to obtain a su... | 09/13/2011 |
| 8013110 | Steam heated polyester production process Processes for making polyesters in a polyester production facility are disclosed, that include the steps of: forming a reaction medium comprising at least one monomer that includes terephthalic acid (TPA) and/or an ester derivative of TPA; subjecting at least a port... | 09/06/2011 |
| 7888456 | Process for production of thermoplastic copolymer A process for continuously producing a thermoplastic copolymer, in which a copolymer (A) containing unsaturated carboxylic acid alkyl ester units and unsaturated carboxylic acid units is produced and in succession heat-treated to perform intramolecular cyclization r... | 02/15/2011 |
| 7858735 | Method and apparatus for elastomer finishing In the production of elastomers the product obtained from the polymerization process is often in the form of a slurry. Described herein are an apparatus and a process for “finishing” the elastomer, i.e., dewatering and drying the elastomer. The process comprises... | 12/28/2010 |
| 7803900 | Thermoplastic resin film and method for producing the same A method for treating an unstretched thermoplastic resin film. The method includes includes heat treating an unstretched thermoplastic resin film at a glass transition temperature of the thermoplastic resin Tg° C. or higher and Tg+50° C. or lower for 10 seconds or... | 09/28/2010 |
| 7759456 | Branched polycarbonate resins and processes to prepare the same A method of increasing the branching and polydispersity of a polycarbonate includes the steps of: (a) including in the polycarbonate at least one species of an alkyl substituted monomer, and (b) treating the polycarbonate at an elevated temperature and for a suffici... | 07/20/2010 |
| 7737249 | Devolatilization of anhydride polymers The present invention relates to the formation of low volatile anhydride-containing aromatic vinyl polymers by polymerizing the half ester of the anhydride with a vinyl aromatic monomer followed by devolatilizing the half-ester and reforming the anhydride at elevate... | 06/15/2010 |
| 7439308 | Process for producing (meth)acrylic polymer terminated by crosslinkable silyl group A method for producing a (meth)acrylic polymer having crosslinkable silyl groups at the termini, comprising a step of adding a hydrosilane compound having a crosslinkable silyl group to an alkenyl-terminated (meth)acrylic polymer (A), which is prepared by atom trans... | 10/21/2008 |
| 7390869 | Process for removing metal species in the presence of hydrogen and a porous material and polyester polymer containing reduced amounts of metal species A process for removing metal species from a composition comprising contacting: a. an oligomer mixture stream comprising the monomers of a partially aromatic polyester polymer and at least one metal species, or b. a... | 06/24/2008 |
| 7378453 | Surface crosslinking treatment method of water-absorbing resin powder A surface crosslinking treatment method of a water-absorbing resin powder is disclosed that can overcome various problems in production encountered in the production of surface crosslinked water-absorbing resin powders on an industrial scale and can produce a water-... | 05/27/2008 |
| 7371808 | Polymer treating method and apparatus A polymer treating method has the steps of: reacting a polymer compound with a reaction agent in a reaction vessel to generate a polymer treatment product; discharging the polymer treatment product containing the reaction agent from the reaction vessel; depressurizi... | 05/13/2008 |
| 7363729 | Manufacturing method of optical film, and optical film A washing process to sufficiently remove contaminants attached on the surface of an optical film is proposed. Specifically, disclosed is a method of manufacturing an optical film, wherein the method possesses the steps of spraying onto at least one surface of a tran... | 04/29/2008 |
| 7358322 | High IV melt phase polyester polymer catalyzed with antimony containing compounds A melt phase process for making a polyester polymer melt phase product by adding an antimony containing catalyst to the melt phase, polycondensing the melt containing said catalyst in the melt phase until the It.V. of the melt reaches at least 0.75 dL/g. Polyester p... | 04/15/2008 |
| 7348388 | Copolymers of olefins and vinyl- and allylsilanes Ethylene and allyl- or vinylsilanes are efficiently copolymerized by certain late transition metal complexes containing selected bidentate or tridentate ligands. The resulting novel polymers may be crosslinked by moisture when vinylsilane contains groups bound to si... | 03/25/2008 |
| 7342081 | Fluoropolymer compositions, coated articles, and method of making the same A fluoropolymer composition comprising a fluoropolymer with a particle size distribution having a ratio of the mode to D95 of 0.75 or greater and wherein when the fluoropolymer is a copolymer consisting of interpolymerized units derived from tetrafluoroethylene and ... | 03/11/2008 |
| 7335721 | Polytetrafluoroethylene treatment One or more PTFE films are heated to greater than 150 degrees centigrade (C) and for a time greater than 20 hours, then the PTFE films are cooled. The PTFE films may be heated to temperatures greater than 200° C. and less than 250° C. and most preferably heated to... | 02/26/2008 |
| 7332561 | Polytrimethylene terephthalate composition particles and process for producing same Poly(trimethylene terephthalate) composition particles comprising 80% by weight or more of trimethylene terephthalate units based on the entire repeating units, having an intrinsic viscosity from 0.8 to 2 dl/g, and satisfying the following conditions (a) to (c): (a)... | 02/19/2008 |
| 7332536 | Metal salts of hexahydrophthalic acid as nucleating additives for crystalline thermoplastics Compounds and compositions comprising specific metal salts of hexahydrophthalic acid (HHPA) in order to provide highly desirable properties within thermoplastic articles are provided. The inventive HHPA derivatives are useful as nucleating and/or clarifying agents f... | 02/19/2008 |
| 7329723 | Thermal crystallization of polyester pellets in liquid A process for thermally crystallizing a polyester polymer by introducing pellets into a liquid medium having a temperature of at least 140° C. within a liquid medium zone and crystallizing the submerged pellets at or above the vapor pressure of the liquid medium wi... | 02/12/2008 |
| 7323519 | Process for producing vinyl polymer, vinyl polymer, and curable composition The present invention provides: a process for preparing a vinyl polymer containing a halogen in an amount of 1,000 mg or less per kilogram, in which a vinyl polymer containing the halogen produced by atom transfer radical polymerization of a vinyl monomer is heated ... | 01/29/2008 |
| 7323506 | High performance P(VDF-TrFE) copolymer for pyroelectric conversion A process for purifying a P(VDF-TrFE) copolymer to produce an improved high performance copolymer for pyroelectric conversion. Pellets of a P(VDF-TrFE) copolymer are dissolved in a solvent to form a solution. Subsequently, anhydrous ethanol is added to the solution ... | 01/29/2008 |
| 7314907 | Purified polymeric materials and methods of purifying polymeric materials A method is disclosed to purify a polymeric material by filtering a melt comprising poly(arylene ether) and poly(alkenyl aromatic) through a melt filtration system. The method provides a filtered polymeric composition having reduced levels of particulate impurities.... | 01/01/2008 |
| 7314658 | Storage medium for data This disclosure relates to a data storage medium, and in particular to a data storage medium comprising at least one high modulus layer. In one embodiment, an asymmetric optical storage medium can comprise: a substrate layer comprising polyarylene ether, a high modu... | 01/01/2008 |
| 7311954 | Multi-layer laser transfer film for the permanent labeling of components The invention relates to a multi-layer laser transfer film for the permanent labeling of components, comprising at least one support layer, whereby a first adhesive layer is at least partly provided on the underside of the support layer, characterised in that on the... | 12/25/2007 |
| 7297758 | Method for extending shelf-life of constructs of semi-crystallizable polymers This invention relates to a method of extending the shelf-life of constructs, in particular bioabsorbable stents, comprising semi-crystalline polymers by increasing the crystallinity of the polymers. ... | 11/20/2007 |
| 7291679 | Recyclable polymer and process for production thereof A novel resin is provided which is renewable with less energy. A process for renewing the resin is also provided. The present invention includes a polymer having the repeating unit represented by Structural Formula (1) below, and a process for producing the polymer:... | 11/06/2007 |
| 7291694 | Method and device for producing crystallizable plastic material A method for manufacturing a crystallizable plastic material is disclosed. The process includes the step of melting an amorphous plastic material, pelletizing the material, crystallizing it and then post condensing the plastic material with the proviso that the plas... | 11/06/2007 |
| 7285058 | Pre-vulcanized or pre-crosslinked materials for golf balls The present invention relates to golf ball components and golf balls comprising high levels of pre-vulcanized or pre-crosslinked materials, as well as methods of making same. The pre-vulcanized or pre-crosslinked materials are typically thermoset materials that are ... | 10/23/2007 |
| 7279530 | Method for producing low friction fluorine rubber crosslinked body A fluororubber composition includes a polyol-crosslinkable fluororubber, a crosslinking accelerator, a polyol crosslinking agent and calcium hydroxide, with the crosslinking accelerator having a specific weight ratio relative to the polyol crosslinking agent, and is... | 10/09/2007 |
| 7268194 | Continuous slurry polymerization process and apparatus A process of converting a loop reactor into multiple loop reactors comprising starting with a loop reactor comprising at least 8 vertical legs, at least two non-vertical conversion runs, each non-vertical run connected in fluid flow communication with two vertical l... | 09/11/2007 |
| 7262263 | Method and apparatus for producing solid-state polycondensed polyesters The present invention relates to a method for producing solid-state polycondensed polyesters by using crystallization with or without subsequent solid-state polycondensation for producing bottles, sheets, films, and high-tenacity technical filaments. ... | 08/28/2007 |
| 7250486 | Method and apparatus for crystallizing polymer particles The present invention is a process and apparatus for conserving loss of heat while forming and crystallizing polymer particles in a liquid. The cooling liquid quenches the polymer during particle molding to facilitate shaping. The cooling liquid cools the polymer pa... | 07/31/2007 |
| 7245985 | Process and apparatus for improving and controlling the vulcanization of natural and synthetic rubber compounds A process for curing a natural or synthetic rubber compound under a plurality of curing conditions by: (1) obtaining time dependent data streams of dielectric or impedance values from a non-bridged impedance sensing circuit and a capacitor having the rubber compound... | 07/17/2007 |
| 7232878 | Polymer treatment for separating volatile material A process for the separation of volatile material from particulate polymer which has been substantially freed from unreacted monomer in an earlier separation step, comprising (a) feeding the particulate polymer to a purge vessel, optionally causing it to move throug... | 06/19/2007 |
| 7226977 | High melt flow rate thermoplastic polyolefins produced in-reactor A thermoplastic polyolefin having a melt flow rate of 20 dg/min or higher at 230° C. is produced in reactor without visbreaking. By controlling ratio of the weight average molecular weight of the xylene soluble fraction to the weight average molecular weight of the... | 06/05/2007 |
| 7226989 | Method of separating a polymer from a solvent A method of separating a polymer-solvent mixture is described wherein a polymer-solvent mixture is heated prior to its introduction into an extruder comprising an upstream vent and/or a side feeder vent to allow flash evaporation of the solvent, and downstream vents... | 06/05/2007 |
