Patents by Inventor Takashi Ayabe
Takashi Ayabe has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12122898Abstract: Provided are: a polyolefin resin composition that is unlikely to be affected by an NOx gas; and a molded article using the same. The polyolefin resin composition includes, with respect to 100 parts by mass of a polyolefin resin (A): 0.001 to 5 parts by mass of a hindered amine compound (B) which has a nitrogen content of less than 4.0% by mass and a molecular weight of 500 or less; and 0.001 to 5 parts by mass of a phenolic antioxidant (C). The hindered amine compound (B) which has a nitrogen content of less than 4.Type: GrantFiled: October 4, 2017Date of Patent: October 22, 2024Assignee: ADEKA CORPORATIONInventors: Takashi Ayabe, Yuji Mitsuhashi, Akitomo Sato
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Patent number: 11015055Abstract: A resin composition comprises (A) 100 parts by mass of a resin selected from the group consisting of polyamides, polylactic acids, and polyphenylene sulfides each having a melting point of 170° C. to 370° C., (B) 0.05 to 5.0 parts by mass of a triazine compound represented by the disclosed general formula (1), preferred examples of which are compounds of the formula: wherein RA, RB, RC, and RD, which may be the same or different, each represent a hydrogen atom or a C1-C4 alkyl group, (C) 0 to 3.0 parts by mass of at least one compound selected from the group consisting of 2,2?-methylenebis[6-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol], 2-[3-hydroxy-4-(4,6-diphenyl-1,3,5-triazin-2-yl)phenoxy]ethyl 2-ethylhexanoate, and 2,4,6-tris(2-hydroxy-4-hexyloxy-3-methylphenyl)-1,3,5-triazine, and (D) 0 to 1.0 part by mass of a light stabilizer being particulate at room temperature (25° C.). The resin composition is useful for making molded articles having improved heat resistance and weatherability.Type: GrantFiled: April 27, 2017Date of Patent: May 25, 2021Assignee: ADEKA CORPORATIONInventors: Hiroki Akatsu, Takashi Ayabe
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Patent number: 10246563Abstract: Provided are: a photostabilizer masterbatch in which the problems of the occurrence of blocking over time due to the effect of temperature fluctuations in the environment and the difficulty in handling due to the resulting solidification in aggregates are overcome; and a method of producing the same.Type: GrantFiled: March 30, 2016Date of Patent: April 2, 2019Assignee: ADEKA CORPORATIONInventors: Takashi Ayabe, Takashi Usui
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Patent number: 10100173Abstract: Provided is an additive masterbatch comprising a low-melting-point resin additive at a high concentration, which additive masterbatch can be continuously produced without strand breakage, shows excellent clumping resistance to inhibit bleeding from a pellet thereof and thus has few use restrictions for potential application. The resin additive masterbatch is characterized by comprising, with respect to 100 parts by mass of (A) a polyolefin resin: 50 to 200 parts by mass of (B) a resin additive having a melting point of not higher than 65° C.; and 10 to 20 parts by mass of (C) an inorganic layered compound.Type: GrantFiled: March 7, 2014Date of Patent: October 16, 2018Assignee: ADEKA CORPORATIONInventors: Takashi Ayabe, Kenji Yamashita
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Patent number: 9624355Abstract: Disclosed is a resin composition having excellent weather resistance, in which occurrence of initial coloration, bleeding and blooming is suppressed. The resin composition contains, with respect to 100 parts by mass of (A) an olefin-based resin: 0.05 to 0.3 parts by mass of (B) a hindered amine-based light stabilizer; 0.05 to 0.3 parts by mass of (C) a benzoate compound; and 0.001 to 0.01 parts by mass of (D) a benzotriazole-based ultraviolet absorber.Type: GrantFiled: October 22, 2013Date of Patent: April 18, 2017Assignee: ADEKA CORPORATIONInventors: Takashi Ayabe, Naoki Yamamoto, Kenji Yamashita
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Patent number: 9580580Abstract: Provided is a cellulose ester-based resin composition having excellent processability, resistance to coloration caused by processing and flame retardancy. Also provided is a molded article having excellent color tone and flame retardancy. The cellulose ester-based resin composition of the present invention is characterized by comprising 1 to 50 parts by mass of a phosphate represented by the following Formula (1) with respect to 100 parts by mass of a cellulose ester-based resin: (wherein, R1 and R2 each independently represent a hydrogen atom or a methyl group; and n represents an integer of 1 to 5).Type: GrantFiled: June 5, 2013Date of Patent: February 28, 2017Assignee: ADEKA CORPORATIONInventors: Takashi Ayabe, Yuki Endo, Tetsuya Seguchi
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Patent number: 9574068Abstract: Provided is an additive masterbatch having excellent storage stability (agglomeration resistance), which also has reduced surface tackiness despite comprising a low-melting-point resin additive at a high concentration. The additive masterbatch of the present invention is characterized by comprising, with respect to 100 parts by mass of (A) a polyolefin resin, 65 to 300 parts by mass of (B) a resin additive having a melting point of not higher than 80° C.; and 0.8 to 24 parts by mass of (C) a benzotriazole-based ultraviolet absorber.Type: GrantFiled: July 31, 2012Date of Patent: February 21, 2017Assignee: ADEKA CORPORATIONInventors: Takashi Ayabe, Kenji Yamashita, Naoki Yamamoto
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Patent number: 9376550Abstract: Provided is a masterbatch in which blocking in a masterbatch of a hindered amine compound and a benzoate compound, which is caused by long-term storage under a high-temperature environment, is improved.Type: GrantFiled: July 3, 2013Date of Patent: June 28, 2016Assignee: ADEKA CORPORATIONInventors: Takashi Ayabe, Kenji Yamashita
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Patent number: 9243127Abstract: Provided is a method of producing a nucleator masterbatch, by which a nucleator masterbatch capable of improving the transparency and the physical properties of an olefin resin can be produced. This method is a method of producing a masterbatch in which a nucleator is blended in an olefin polymer, the method being characterized by comprising the step of polymerizing an olefin monomer with incorporation of a nucleator component, which is dissolved in an organoaluminum compound or in an organoaluminum compound and an organic solvent, before or during polymerization of the olefin monomer such that the nucleator component is blended in an amount of 0.05 to 20 parts by mass with respect to 100 parts by mass of the olefin polymer obtained by the polymerization of the olefin monomer.Type: GrantFiled: May 30, 2013Date of Patent: January 26, 2016Assignee: ADEKA CORPORATIONInventors: Naoshi Kawamoto, Takashi Ayabe, Atsushi Sakai, Tetsuya Seguchi
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Patent number: 9212307Abstract: The present invention provides a stabilizer composition comprising a monoester and diester of alkylmercapto carboxylic acid of bisphenol sulfide, which is capable of maintaining good ease of handling without causing precipitation of solids even in low temperature environments.Type: GrantFiled: May 23, 2013Date of Patent: December 15, 2015Assignee: ADEKA CORPORATIONInventors: Naoshi Kawamoto, Yoshinori Negishi, Takashi Ayabe, Tsuyoshi Urushihara, Tomomasa Tezuka, Shingo Yamada
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Patent number: 9133121Abstract: 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, R1 is alkyl having 1 to 22 carbon atoms, alkenyl having 2 to 22 carbon atoms, or a group represented by the general formula (III): (R is as defined above), while when n is 2 to 4, R1 is an n-valent organic group having 2 to 20 carbon atoms). When added to synthetic resins or coating materials, the amines can impart long-period stabilizing effect to the resins or the materials and exhibit excellent resistance to extraction with acid rain or chemicals.Type: GrantFiled: September 13, 2012Date of Patent: September 15, 2015Inventors: Yoshinori Negishi, Takashi Ayabe, Etsuo Tobita
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Publication number: 20150183967Abstract: Provided is a cellulose ester-based resin composition having excellent processability, resistance to coloration caused by processing and flame retardancy. Also provided is a molded article having excellent color tone and flame retardancy. The cellulose ester-based resin composition of the present invention is characterized by comprising 1 to 50 parts by mass of a phosphate represented by the following Formula (1) with respect to 100 parts by mass of a cellulose ester-based resin: (wherein, R1 and R2 each independently represent a hydrogen atom or a methyl group; and n represents an integer of 1 to 5).Type: ApplicationFiled: June 5, 2013Publication date: July 2, 2015Applicant: ADEKA CORPORATIONInventors: Takashi Ayabe, Yuki Endo, Tetsuya Seguchi
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Publication number: 20150158996Abstract: Provided is a masterbatch in which blocking in a masterbatch of a hindered amine compound and a benzoate compound, which is caused by long-term storage under a high-temperature environment, is improved.Type: ApplicationFiled: July 3, 2013Publication date: June 11, 2015Applicant: ADEKA CORPORATIONInventors: Takashi Ayabe, Kenji Yamashita
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Publication number: 20150152248Abstract: Provided is a method of producing a nucleator masterbatch, by which a nucleator masterbatch capable of improving the transparency and the physical properties of an olefin resin can be produced. This method is a method of producing a masterbatch in which a nucleator is blended in an olefin polymer, the method being characterized by comprising the step of polymerizing an olefin monomer with incorporation of a nucleator component, which is dissolved in an organoaluminum compound or in an organoaluminum compound and an organic solvent, before or during polymerization of the olefin monomer such that the nucleator component is blended in an amount of 0.05 to 20 parts by mass with respect to 100 parts by mass of the olefin polymer obtained by the polymerization of the olefin monomer.Type: ApplicationFiled: May 30, 2013Publication date: June 4, 2015Applicant: ADEKA CORPORATIONInventors: Naoshi Kawamoto, Takashi Ayabe, Atsushi Sakai, Tetsuya Seguchi
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Publication number: 20150119513Abstract: The present invention provides a stabilizer composition comprising a monoester and diester of alkylmercapto carboxylic acid of bisphenol sulfide, which is capable of maintaining good ease of handling without causing precipitation of solids even in low temperature environments.Type: ApplicationFiled: May 23, 2013Publication date: April 30, 2015Applicant: ADEKA CORPORATIONInventors: Naoshi Kawamoto, Yoshinori Negishi, Takashi Ayabe, Tsuyoshi Urushihara, Tomomasa Teduka, Shingo Yamada
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Publication number: 20140378586Abstract: Provided is an additive masterbatch having excellent storage stability (agglomeration resistance), which also has reduced surface tackiness despite comprising a low-melting-point resin additive at a high concentration. The resin additive masterbatch of the present invention is characterized by comprising, with respect to 100 parts by mass of (A) a polyolefin resin, 65 to 300 parts by mass of (B) a resin additive having a melting point of not higher than 80° C.; and 0.8 to 24 parts by mass of (C) a benzotriazole-based ultraviolet absorber.Type: ApplicationFiled: July 31, 2012Publication date: December 25, 2014Applicant: ADEKA CORPORATIONInventors: Takashi Ayabe, Kenji Yamashita, Naoki Yamamoto
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Patent number: 8329787Abstract: 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, R1 is alkyl having 1 to 22 carbon atoms, alkenyl having 2 to 22 carbon atoms, or a group represented by the general formula (III): (R is as defined above), while when n is 2 to 4, R1 is an n-valent organic group having 2 to 20 carbon atoms). When added to synthetic resins or coating materials, the amines can impart long-period stabilizing effect to the resins or the materials and exhibit excellent resistance to extraction with acid rain or chemicals.Type: GrantFiled: April 2, 2010Date of Patent: December 11, 2012Assignee: Adeka CorporationInventors: Yoshinori Negishi, Takashi Ayabe, Etsuo Tobita
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Publication number: 20120149838Abstract: Provided are a recycling method for industrially, simply and effectively recycling a phenolic body from a phenolic antioxidant which is masked by an organoaluminum compound and contained in an olefin polymer obtained by supplying the masked phenolic antioxidant upon polymerization; and an olefin polymer obtained by this method. In a method for recycling a phenolic antioxidant wherein a phenolic antioxidant which is masked by an organoaluminum compound and contained in an olefin polymer obtained by supplying the masked phenolic antioxidant upon polymerization is recycled to a phenolic body, a nitrogen gas comprising water and/or a proton donor at a volume ratio of 1.0×10?6 to 2.5×10?2 with respect to 1 volume of nitrogen is brought into contact with the olefin polymer.Type: ApplicationFiled: September 1, 2010Publication date: June 14, 2012Applicant: ADEKA CORPORATIONInventors: Naoshi Kawamoto, Takashi Ayabe, Tsuyoshi Urushihara, Kohei Okamoto, Tetsuya Seguchi
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Publication number: 20120022212Abstract: Provided is a polyolefin-based resin composition having sufficient stabilizing effect and excellent cost performance. The polyolefin-based resin composition according to the present invention comprises a polyolefin-based resin obtained by polymerization of an olefin-based monomer with an addition of a phenolic antioxidant represented by the following Formula (I): (wherein, R represents a C1-C30 alkyl group or C2-C30 alkylene group which is optionally branched and/or optionally has a cycloalkyl group, a C3-C12 cycloalkyl group which is optionally substituted or a C6-C18 aryl group which is optionally substituted), which phenolic antioxidant is masked with an organic aluminum compound, and a phosphorus-based antioxidant to a catalyst system or polymerization system before or during the polymerization of the olefin-based monomer, in which polyolefin-based resin composition, the phenolic antioxidant represented by the Formula (I) and the phosphorus-based antioxidant are added in an amount of 0.001 to 0.Type: ApplicationFiled: November 13, 2009Publication date: January 26, 2012Inventors: Takashi Ayabe, Kohei Okamoto, Tetsuya Seguchi, Naoshi Kawamoto
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Publication number: 20110288216Abstract: The present invention provides a stabilized polyolefin-based resin composition for use in food items, medical services and water service pipes, which has superior non-migratory and hygienic properties.Type: ApplicationFiled: November 13, 2009Publication date: November 24, 2011Inventors: Takashi Ayabe, Kohei Okamoto, Tetsuya Seguchi, Naoshi Kawamoto