Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


Etsuo Tobita, Saitama JP

Etsuo Tobita, Saitama JP

Patent application numberDescriptionPublished
20080214752Method for Producing Stabilized Polymer - A method for producing a stabilized polymer comprising adding at least one kind of a phenolic antioxidant masked with an organic aluminum and represented by general formula (I) in a catalyst system or a polymerization system, before or during polymerization, on gas-phase polymerization of a monomer having an ethylenic unsaturated bonding,09-04-2008
20090111699Weakly Basic Hindered Amines Having Carbonate Skeletons, Synthetic Resin Compositions, And Coating Compositions - Hindered amines represented by the general formula (I): (wherein R is an alkyl or hydroxyalkyl group having 1 to 30 carbon atoms or alkenyl having 2 to 30 carbon atoms; n is an integer of 1 to 4; when n is 1, R04-30-2009
20090156744PROCESS FOR PRODUCING CRYSTAL NUCLEATOR COMPOSITION AND CRYSTALLINE POLYMER COMPOSITION - The present invention provides a process for producing a crystal nucleator composition comprising; a first step pulverizing 95% by mass or more of a crystal nucleator ingredient containing one or two or more kinds of specific compounds to a primary particle diameter of 0.8 μm or smaller with a dry medium-stirring type pulverizer; and a second step mixing and pulverizing the pulverized crystal nucleator ingredient obtained in the previous step and a metal aliphatic carboxylate ingredient containing one or two or more kinds of specific metal aliphatic carboxylates. Also provided is a crystalline polymer composition comprising a crystal nucleator composition obtained by the production process06-18-2009
20090176913POLYESTER RESIN COMPOSITION - The present invention provides a polyester resin composition having an excellent crystallization rate.07-09-2009
20090258976OPTICAL FILM - The present invention provides an optical film, which is excellent in ultraviolet absorption capability at 380 nm with little bleed-out, comprising a resin containing a triazine compound represented by the following general formula (I).10-15-2009
20100174015POLYMERIC MATERIAL COMPOSITION - [Object] To provide a polymeric material composition having high heat resistance, excellent compatibility, and greatly improved weatherability.07-08-2010
20100174017Polylactic Acid Resin Composition, Moldings, and Process for Production Thereof - A polylactic acid resin composition in which polylactic acid is blended with dibasic acid bis(benzoylhydrazide) represented by general formula (I) below; and a process for producing heat-resistant polylactic acid resin moldings, wherein after the polylactic acid resin composition is melted, the polylactic acid resin composition melted is filled in a die of a molding machine and molded accompanied with crystallization, in which the temperature of the die has been set in a range not higher than the initiation temperature of crystallization and not lower than the glass transition temperature determined with a differential scanning calorimeter (DSC).07-08-2010
20100190898Weakly Basic Hindered Amines Compounds Having Carbonate Skeletons, Synthetic Resin Compositions And Coating Compositions - Hindered amines represented by the general formula (I): (wherein R is an alkyl or hydroxyalkyl group having 1 to 30 carbon atoms or alkenyl having 2 to 30 carbon atoms; n is an integer of 1 to 4; when n is 1, R07-29-2010
20100305327NITROXYL COMPOUND, AND POLYMERIZATION INHIBITOR AND POLYMERIZATION INHIBITOR COMPOSITION USING SAME - The following compound, inhibitor, and composition are provided: a compound having low volatility, high nitroxyl group concentration, and high polymerization inhibitory activity; a polymerization inhibitor using the compound; and a polymerization inhibitor composition using the compound.12-02-2010

Patent applications by Etsuo Tobita, Saitama JP