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).

  • Patent number: 12122898
    Abstract: 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: Grant
    Filed: October 4, 2017
    Date of Patent: October 22, 2024
    Assignee: ADEKA CORPORATION
    Inventors: Takashi Ayabe, Yuji Mitsuhashi, Akitomo Sato
  • Patent number: 11015055
    Abstract: 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: Grant
    Filed: April 27, 2017
    Date of Patent: May 25, 2021
    Assignee: ADEKA CORPORATION
    Inventors: Hiroki Akatsu, Takashi Ayabe
  • Patent number: 10246563
    Abstract: 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: Grant
    Filed: March 30, 2016
    Date of Patent: April 2, 2019
    Assignee: ADEKA CORPORATION
    Inventors: Takashi Ayabe, Takashi Usui
  • Patent number: 10100173
    Abstract: 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: Grant
    Filed: March 7, 2014
    Date of Patent: October 16, 2018
    Assignee: ADEKA CORPORATION
    Inventors: Takashi Ayabe, Kenji Yamashita
  • Patent number: 9624355
    Abstract: 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: Grant
    Filed: October 22, 2013
    Date of Patent: April 18, 2017
    Assignee: ADEKA CORPORATION
    Inventors: Takashi Ayabe, Naoki Yamamoto, Kenji Yamashita
  • Patent number: 9580580
    Abstract: 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: Grant
    Filed: June 5, 2013
    Date of Patent: February 28, 2017
    Assignee: ADEKA CORPORATION
    Inventors: Takashi Ayabe, Yuki Endo, Tetsuya Seguchi
  • Patent number: 9574068
    Abstract: 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: Grant
    Filed: July 31, 2012
    Date of Patent: February 21, 2017
    Assignee: ADEKA CORPORATION
    Inventors: Takashi Ayabe, Kenji Yamashita, Naoki Yamamoto
  • Patent number: 9376550
    Abstract: 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: Grant
    Filed: July 3, 2013
    Date of Patent: June 28, 2016
    Assignee: ADEKA CORPORATION
    Inventors: Takashi Ayabe, Kenji Yamashita
  • Patent number: 9243127
    Abstract: 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: Grant
    Filed: May 30, 2013
    Date of Patent: January 26, 2016
    Assignee: ADEKA CORPORATION
    Inventors: Naoshi Kawamoto, Takashi Ayabe, Atsushi Sakai, Tetsuya Seguchi
  • Patent number: 9212307
    Abstract: 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: Grant
    Filed: May 23, 2013
    Date of Patent: December 15, 2015
    Assignee: ADEKA CORPORATION
    Inventors: Naoshi Kawamoto, Yoshinori Negishi, Takashi Ayabe, Tsuyoshi Urushihara, Tomomasa Tezuka, Shingo Yamada
  • Patent number: 9133121
    Abstract: 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: Grant
    Filed: September 13, 2012
    Date of Patent: September 15, 2015
    Inventors: Yoshinori Negishi, Takashi Ayabe, Etsuo Tobita
  • Publication number: 20150183967
    Abstract: 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: Application
    Filed: June 5, 2013
    Publication date: July 2, 2015
    Applicant: ADEKA CORPORATION
    Inventors: Takashi Ayabe, Yuki Endo, Tetsuya Seguchi
  • Publication number: 20150158996
    Abstract: 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: Application
    Filed: July 3, 2013
    Publication date: June 11, 2015
    Applicant: ADEKA CORPORATION
    Inventors: Takashi Ayabe, Kenji Yamashita
  • Publication number: 20150152248
    Abstract: 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: Application
    Filed: May 30, 2013
    Publication date: June 4, 2015
    Applicant: ADEKA CORPORATION
    Inventors: Naoshi Kawamoto, Takashi Ayabe, Atsushi Sakai, Tetsuya Seguchi
  • Publication number: 20150119513
    Abstract: 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: Application
    Filed: May 23, 2013
    Publication date: April 30, 2015
    Applicant: ADEKA CORPORATION
    Inventors: Naoshi Kawamoto, Yoshinori Negishi, Takashi Ayabe, Tsuyoshi Urushihara, Tomomasa Teduka, Shingo Yamada
  • Publication number: 20140378586
    Abstract: 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: Application
    Filed: July 31, 2012
    Publication date: December 25, 2014
    Applicant: ADEKA CORPORATION
    Inventors: Takashi Ayabe, Kenji Yamashita, Naoki Yamamoto
  • Patent number: 8329787
    Abstract: 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: Grant
    Filed: April 2, 2010
    Date of Patent: December 11, 2012
    Assignee: Adeka Corporation
    Inventors: Yoshinori Negishi, Takashi Ayabe, Etsuo Tobita
  • Publication number: 20120149838
    Abstract: 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: Application
    Filed: September 1, 2010
    Publication date: June 14, 2012
    Applicant: ADEKA CORPORATION
    Inventors: Naoshi Kawamoto, Takashi Ayabe, Tsuyoshi Urushihara, Kohei Okamoto, Tetsuya Seguchi
  • Publication number: 20120022212
    Abstract: 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: Application
    Filed: November 13, 2009
    Publication date: January 26, 2012
    Inventors: Takashi Ayabe, Kohei Okamoto, Tetsuya Seguchi, Naoshi Kawamoto
  • Publication number: 20110288216
    Abstract: 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: Application
    Filed: November 13, 2009
    Publication date: November 24, 2011
    Inventors: Takashi Ayabe, Kohei Okamoto, Tetsuya Seguchi, Naoshi Kawamoto