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| Number | Title | Issue Date |
| 8013111 | Removal of catalyst and/or cocatalyst residues in a polyolefin manufacturing process The invention relates to an improved process for the manufacture of an olefin polymer composition in which corrosive trace cocatalyst and catalyst residues are removed from the hydrocarbon gas recycle stream prior to compression and re-use in the polymerization zone... | 09/06/2011 |
| 8008430 | High molecular weight polymers containing pendant salicylic acid groups for clarifying bayer process liquors A high molecular weight, water-soluble polymer comprising pendant salicylic acid groups and having a weight average molecular weight of at least about 2,000,000 daltons and use of the polymer for clarifying red mud-containing liquors generated in the Bayer process f... | 08/30/2011 |
| 7928184 | Unstable terminal group decomposer, and stabilized polyacetal resin, manufacturing method, composition and molded article using the same The present invention provides a method of manufacturing a stabilized polyacetal resin, comprising the step of applying a heat treatment to a polyacetal resin having an unstable terminal group in the presence of an unstable terminal group decomposer selected from th... | 04/19/2011 |
| 7888457 | Process for removing phosphorous from a fiber or yarn The present invention relates to processes for removing phosphorus from a fiber or yarn. ... | 02/15/2011 |
| 7671172 | Poly(trimethylene-ethylene ether) glycols A poly(trimethylene-ethylene ether) glycol is disclosed. The poly(trimethylene-ethylene ether) glycol is, preferably, prepared by the polycondensation of 1,3-propanediol reactant and ethylene glycol reactant. The composition is preferably used in breathable membrane... | 03/02/2010 |
| 7534855 | Method of preparing vinylchloride-based resin capable of producing plastisol with low viscosity, vinylchloride-based resin prepared using the method, method of preparing vinylchloride-based plastisol, and vinylchloride-based plastisol prepared using the method Provided is a method of preparing a vinylchloride-based resin. The method includes adding to a vinylchloride-based latex an acid, preferably, 1-7 parts by weight of the acid based on 100 parts by weight of a solid of the vinylchloride-based latex; optionally, incuba... | 05/19/2009 |
| 7465782 | Method for making polybenzobisoxazole containing fiber A method of making polybenzobisoxazole containing fiber by use of a non-polybenzobisoxazole polymer, hydroxylating the polymer, forming the polymer into a fiber and heating the fiber wherein ring closure occurs in the hydroxylated polymer. ... | 12/16/2008 |
| 7465781 | Method for making polybenzobisoxazole containing polymer A method of making polybenzobisoxazole containing polymer by use of a non-polybenzobisoxazole polymer, hydroxylating the polymer, forming a solidified polymer and heating the solidified polymer wherein ring closure occurs in the hydroxylated polymer. ... | 12/16/2008 |
| 7432340 | Fluorinated alkyl substituted-thieno[3,4-]thiophene monomers and polymers therefrom Partially and fully fluorinated alkyl substituted thienothiophene monomers (and polymers thereof) wherein the monomers are represented by the formula: wherein R is a partially or fully fluorinated primary, seco... | 10/07/2008 |
| 7368525 | Polymeric alkoyamines prepared by atom transfer radical addition (ATRA) The instant invention pertains to polymeric alkoxyamines, which are prepared by atom transfer radical addition polymerization (ATRA). Further aspects of the invention are a process for their preparation and their use as light stabilizers, flame retardants and polyme... | 05/06/2008 |
| 7358327 | Assembled hematin, method for forming same and method for polymerizing aromatic monomers using same An assembled hematin is formed by depositing hematin on an electrically charged substrate in one or more layers alternating with one or more layers of polyelectrolyte, preferably a cationic polymer. In a method for polymerizing an aromatic monomer, the assembled hem... | 04/15/2008 |
| 7348395 | Synthesis of oligomeric cyanate esters A cyanate ester system is disclosed. An aryl ether oligomer may be made from a dihydroxyaromatic compound and a dihaloaromatic compound in the presence of a base. The oligomer is then reacted with a cyanide compound in the presence of a base to form the cyanate este... | 03/25/2008 |
| 7344751 | Assembled hematin, method for forming same and method for polymerizing aromatic monomers using same An assembled hematin is formed by depositing hematin on an electrically charged substrate in one or more layers alternating with one or more layers of polyelectrolyte, preferably a cationic polymer. In a method for polymerizing an aromatic monomer, the assembled hem... | 03/18/2008 |
| 7345132 | Method of producing novolak resin Provided an industrially excellent method of producing a phenol novolak resin having an ortho ratio of 30% or more by: (1) a method of reacting a phenol and an aldehyde using an oxalic acid catalyst at 110 to 160° C. under pressure; or (2) a method of reacting a ph... | 03/18/2008 |
| 7342085 | Synthesis of oligomeric cyanate esters A cyanate ester system is disclosed. An aryl ether oligomer may be made from a dihydroxyaromatic compound and a dihaloaromatic compound in the presence of a base. The oligomer is then reacted with a cyanide compound in the presence of a base to form the cyanate este... | 03/11/2008 |
| 7341142 | Elastomer composite materials in low density forms and methods A bale of elastomer composite is formed of elastomer and filler, the bale having a void volume of at least 3%. In another aspect, a container is provided, at least a portion of the container being occupied by elastomer composite pieces of elastomer and filler, where... | 03/11/2008 |
| 7339007 | Low sediment process for thermally reacting highly reactive polymers and enophiles A process for forming an ene reaction product wherein an enophile, such as maleic anhydride, is reacted with reactive polyalkene having a terminal vinylidene content of at least 30 mol. %, at high temperature in the presence of a free radical inhibitor. The polyalke... | 03/04/2008 |
| 7332223 | Polymers comprising thieno [3,4-b]thiophene and methods of making and using the same This invention presents polymers and copolymers comprising repeating units of thieno[3,4-b]thiophene. Water-borne dispersions of such polymers and copolymers can be cast by conventional methods to provide uniform, thin films which possess utility in numerous electro... | 02/19/2008 |
| 7323503 | Process for producing ethylene-vinyl alcohol copolymer resin, process for producing pellets and resin pellets A process for producing an ethylene-vinyl alcohol copolymer resin, including feeding EVOH into an extruder, keeping the temperature of the melting resin in the extruder at 70 to 170° C., adjusting the amount of water in the extruder so that the water content right ... | 01/29/2008 |
| 7321020 | Polycondensation products and a process for their preparation The invention relates to the polycondensation products produced by reaction of bisphenol residues from bisphenol production with an aldehyde in an acidic medium useful for the production of refractory molded bodies, of unmolded substances used in the refractory indu... | 01/22/2008 |
| 7297415 | Processes for producing polymeric fluorescent material and polymeric luminescent element A method for producing a polymeric fluorescent substance characterized by comprising the step of treating with an acid a polymeric fluorescent substance that is fluorescent in a solid state and has a polystyrene equivalent number average molecular weight of 1×10 | 11/20/2007 |
| 7294686 | Polymerization of aromatic monomers using derivatives of hematin Hematin, a hydroxyferriprotoporphyrin, is derivatized with one or more non-proteinaceous amphipathic groups. The derivatized hematin can serve as a mimic of horseradish peroxidase in polymerizing aromatic monomers, such as aromatic compounds. These derivatized hemat... | 11/13/2007 |
| 7279244 | Fuel cell, polyelectrolyte and ion-exchange resin use for same The object of this invention is to provide a solid polymer electrolyte which is excellent in durability and of low cost, and membranes, solutions for electrode catalyst coating, membrane/electrode assemblies and fuel cells which use the electrolyte. According to thi... | 10/09/2007 |
| 7279505 | Radiation-curable prepolymers The present invention provides a radiation-curable prepolymer. The radiation-curable prepolymer of the invention is prepared by reacting an isocyanate-capped polyurethane with an ethylenically unsaturated amine or an ethylenically unsaturated monohydroxy compound or... | 10/09/2007 |
| 7279524 | Method for doping a polymer A method for forming a conjugated polymer which is doped by a dopant includes the steps of (a) adding a doping agent comprising a dopant moiety to a solution containing the conjugated polymer or a precursor thereof and, optionally, a second polymer, the dopant moiet... | 10/09/2007 |
| 7271236 | Preparation method of polyester resin A preparation method of a polyester resin includes: under predetermined depolymerization conditions, mixing a polyester resin, a resin dissolvent and a polycondensation catalyst to depolymerize the polyester resin and form a first reaction mixture; adding a first mo... | 09/18/2007 |
| 7256251 | Methods of synthesis of polymers and copolymers from natural products Described are polymers and copolymers containing sorbitol, citric acid, starch, aspartic acid, succinic anhydride, adipic acid mixtures thereof, methods of their synthesis and their uses. ... | 08/14/2007 |
| 7244810 | Poly(trimethylene-ethylene ether) glycols A poly(trimethylene-ethylene ether)glycol is disclosed. The poly(trimethylene-ethylene ether)glycol is, preferably, prepared by the polycondensation of 1,3-propanediol reactant and ethylene glycol reactant. The composition is preferably used in breathable membranes,... | 07/17/2007 |
| 7241855 | Method for the manufacture of polyesters A method is described for the manufacture of polyesters of aromatic dicarboxylic acids with aliphatic and/or cycloaliphatic dials, in which an aromatic dicarboxylic acid in the presence of a monocarboxylic acid or a mixture of a monocarboxylic acid present in a satu... | 07/10/2007 |
| 7241841 | Hydrogenated copolymers of unsubstituted and substituted conjugated dienes The random, hydrogenated copolymers according to the present invention of unsubstituted conjugated dienes and substituted conjugated dienes, having a glass transition temperature of ≦−60° C., an enthalpy of fusion of ≦100 J/g and a content of residual double ... | 07/10/2007 |
| 7241833 | Phenolic novolaks and process for production thereof A process for production of phenolic novolak which comprises the step of conducting heterogeneous reaction of a phenol with 0.40 to 0.93 mol of an aldehyde per mol of the phenol in the presence of at least 25 parts by mass of a phosphoric acid per 100 parts by mass ... | 07/10/2007 |
| 7238771 | Dibenzodiazocine polymers Dibenzodiazocine polymers, methods for producing dibenzodiazocine polymers, products formed from dibenzodiazocine polymers, and uses for such dibenzodiazocine polymers are provided. ... | 07/03/2007 |
| 7226987 | Aromatic polymer phosphonic acid derivative and process for production the same Provided is an aromatic polymer phosphonic acid derivative in which a phosphonic acid derivative group is directly bound to aromatic ring. Said aromatic polymer phosphonic acid derivative can be produced by brominating a specific aromatic polymer compound with a bro... | 06/05/2007 |
| 7223831 | Biodegradable resin composition A biodegradable resin composition comprising polylactic acid and nanosheeted layered titanic acid characterized in that the nonasheeted layered titanic acid is nanosheeted layered titanic acid obtained by a preparing process comprising the steps of: ... | 05/29/2007 |
| 7217781 | Polyphosphazenes including ionic or ionizable moieties and fluorine-containing moieties A polyphosphate polymer which includes both (i) ionic or ionizable moieties; and (ii) fluorine-containing moieties. Such polymers may be used as matrices for pharmaceuticals, as multilayer coatings for fuel cell membranes, as dopant for electrically conductive polym... | 05/15/2007 |
| 7214432 | Coating compositions, their preparation, and coated articles made therefrom A coating composition comprising components A, B and optionally C, wherein component A comprises at least one hydroxy-terminated polyarylate. Component B is an organic species which can react with the hydroxy terminal groups of component A, and component C is a cata... | 05/08/2007 |
| 7208567 | Polymer compound and polymer light emitting device using the same Provided is a polymer compound having a polystyrene reduced number average molecular weight of 103-108, and comprising a repeating unit represented by the below formula (1-1) or (1-2), wherein Rin... | 04/24/2007 |
| 7205265 | Cleaning compositions and methods of use thereof A remover composition and method for removing resists from substrates containing nucleophilic amine and at least one solvent is described. Optionally, a chelating agent can also be included in the remover composition. The remover composition is especially suitable f... | 04/17/2007 |
| 7195818 | Sealable multi-layer opaque film A sealable multi-layer opaque film. In particular, a sealable multi-layer opaque film that is moisture permeable and water resistant. The sealable multi-layer opaque film is an oriented multilayer film with a core layer comprising an orientation-enhancing polymer, a... | 03/27/2007 |
| 7196159 | Process for producing polytrimethylene terephthalate A process for the production of polytrimethylene terephthalate (PTT), wherein the process comprises: (i) one or more esterification steps, wherein terephthalic acid (TPA) or an alkyl diester of terephthalic acid is reacted with 1,3-propanediol (PDO); an... | 03/27/2007 |
