Patents by Inventor Shunichiro I

Shunichiro I 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).

  • Publication number: 20230295403
    Abstract: [Problem] An object of the present disclosure is to provide a new purging compound for a resin processing machine made from a resin derived from a biomass raw material which reduces the environmental load, and has a purging performance comparable to those of conventional purging compounds for a resin processing machine. [Solution] A purging compound for a resin processing machine contains 10 to 97% by mass of a resin having a bio degree of 30% or more with respect to 100% by mass of the purging compound, wherein the resin has a weight average molecular weight of 200,000 or more and 1,500,000 or less, and a ratio of the weight average molecular weight to the number average molecular weight (Mw/Mn) of 8 or less.
    Type: Application
    Filed: March 17, 2023
    Publication date: September 21, 2023
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Yohei NOBE, Takafumi IWAI, Shunichiro I, Shigeru ENDO
  • Publication number: 20200207975
    Abstract: Provided is a resin composition that is excellent in balance between tenacity and rigidity, suppresses variation in physical properties, and is further excellent in moldability. The disclosure provides a resin composition at least comprising 100 parts by mass of polyacetal resin (A), 0.01 to 1 part by mass of fatty acid metal salt (B), and 0.1 to 3 parts by mass of zinc oxide (C), wherein a total content of the polyacetal resin (A), the fatty acid metal salt (B), and the zinc oxide (C) is 98.0% by mass or more.
    Type: Application
    Filed: December 20, 2019
    Publication date: July 2, 2020
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Shunichiro I, Yasukazu Shikano
  • Publication number: 20190055402
    Abstract: To provide a polyamide resin composition which exhibits superior impact resistance and in which fluctuations in physical properties, that is, variation in impact resistance, tensile strength, and tensile elongation are suppressed. The polyamide resin includes: (A) 65 to 90 parts by mass of a polyamide resin; (B) 10 to 35 parts by mass of an impact modifier; (C) 0.1 to 0.5 parts by mass of carbon black with respect to 100 parts by mass of the total amount of Component (A) and Component (B); and (D) 1 to 100 parts by mass of an inorganic filler with respect to 100 parts by mass of the total amount of Component (A) and Component (B, wherein the average primary particle diameter of Component (C) is 20 nm or less.
    Type: Application
    Filed: July 30, 2018
    Publication date: February 21, 2019
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventor: Shunichiro I
  • Patent number: 10066104
    Abstract: The object is to provide a polyamide resin composition having superior productivity and mechanical strength. A polyamide resin composition includes: (A) Polyamide 66; (B) glass fibers; and (C) a copper compound and a halide. The percentage of a component of the (A) Polyamide 66 having a molecular weight of 30,000 or less as obtained by Gel Permeation Chromatography (GPC) is within a range from 30% by mass to 37% by mass of the total amount of the (A) Polyamide 66, and the percentage of the (A) Polyamide 66 having a molecular weight of 100,000 or greater is within a range from 8% by mass to 15% by mass of the total amount of the (A) Polyamide 66.
    Type: Grant
    Filed: December 25, 2015
    Date of Patent: September 4, 2018
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Shunichiro I, Norio Sakata, Katsushi Watanabe, Tetsuo Kurihara
  • Patent number: 9783675
    Abstract: The resin composition of the present invention comprises (a) a polypropylene-based resin, (b) a polyphenylene ether-based resin, and (c) a first hydrogenated block copolymer-based resin and further comprises (d) an ethylene-?-olefin copolymer rubber and/or (e) a second hydrogenated block copolymer-based resin.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: October 10, 2017
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Shunichiro I, Mihoko Yamamoto
  • Publication number: 20170267861
    Abstract: The object is to provide a polyamide resin composition having superior productivity and mechanical strength. A polyamide resin composition includes: (A) Polyamide 66; (B) glass fibers; and (C) a copper compound and a halide. The percentage of a component of the (A) Polyamide 66 having a molecular weight of 30,000 or less as obtained by Gel Permeation Chromatography (GPC) is within a range from 30% by mass to 37% by mass of the total amount of the (A) Polyamide 66, and the percentage of the (A) Polyamide 66 having a molecular weight of 100,000 or greater is within a range from 8% by mass to 15% by mass of the total amount of the (A) Polyamide 66.
    Type: Application
    Filed: December 25, 2015
    Publication date: September 21, 2017
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Shunichiro I, Norio SAKATA, Katsushi WATANABE, Tetsuo KURIHARA
  • Patent number: 9522992
    Abstract: The present invention provides a resin composition including: (a): 75 to 97% by mass of a polypropylene-based resin; (b): 1 to 15% by mass of a polyphenylene ether-based resin having a reduced viscosity (?sp/c: measured as a 0.5 g/dL chloroform solution at 30° C.) of 0.25 to 0.36 dL/g; and (c): 2 to 19% by mass of a hydrogenated block copolymer which is a hydrogenated product of a block copolymer including at least two polymer blocks A mainly including a vinyl aromatic compound and at least one polymer block B mainly including a conjugated diene compound, wherein the polymer block A has a number average molecular weight (MncA) of 4,000 to 8,000 excluding 8,000, and a mass ratio ((b)/(c)) of the component (b) to the component (c) is 10/90 to 60/40.
    Type: Grant
    Filed: July 27, 2015
    Date of Patent: December 20, 2016
    Assignee: ASAHI KASEI CHEMICALS CORPORATION
    Inventor: Shunichiro I
  • Publication number: 20160237277
    Abstract: The resin composition of the present invention comprises (a) a polypropylene-based resin, (b) a polyphenylene ether-based resin, and (c) a first hydrogenated block copolymer-based resin and further comprises (d) an ethylene-?-olefin copolymer rubber and/or (e) a second hydrogenated block copolymer-based resin.
    Type: Application
    Filed: September 26, 2014
    Publication date: August 18, 2016
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Shunichiro I, Mihoko YAMAMOTO
  • Publication number: 20150183991
    Abstract: Provided is a flame-retardant thermoplastic resin composition including (A) a thermoplastic resin other than a polyphenylene ether, (B) polyphenylene ether, (C) at least one phosphinate selected from the group consisting of a phosphinate having a particular structure, a diphosphinate having a particular structure and a condensate thereof, and (D) at least one colorant selected from the group consisting of an organic pigment, an inorganic pigment and an organic dye, wherein a content of an iron element is less than 50 ppm on a mass basis.
    Type: Application
    Filed: November 18, 2014
    Publication date: July 2, 2015
    Applicant: ASAHI KASEI CHEMICALS CORPORATION
    Inventors: Mihoko YAMAMOTO, Koichiro YOSHIDA, Shunichiro I, Chihiro MAEDA
  • Patent number: 8946356
    Abstract: A resin composition having a high thermal aging property and molding stability in mass production of molded articles while keeping molding fluidity and thermal creep resistance is provided. A resin composition, containing 100 parts by mass in total of a polypropylene resin (a) and a polyphenylene ether resin (b), and 1 to 20 parts by mass of a compatibilizer (c), wherein in the component (a), the proportion of the component having a molecular weight of 30,000 or less is from 3.0 to 5.1% of the entire component (a), and the proportion of the component having a molecular weight of 10,000,000 or more is from 1.0 to 1.6% of the entire component (a).
    Type: Grant
    Filed: July 5, 2012
    Date of Patent: February 3, 2015
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Shunichiro I, Koichiro Yoshida, Takaaki Miyoshi
  • Patent number: 8901222
    Abstract: The polyphenylene ether according to the present invention includes 5 to 20% by mass of a component having a molecular weight of 50,000 or more and 12 to 30% by mass of a component having a molecular weight of 8,000 or less. The resin composition according to the present invention includes the polyphenylene ether (a) and a hydrogenated block copolymer (b) prepared by hydrogenating a block copolymer including at least two polymer blocks A having a vinyl aromatic compound and at least one polymer block B having a conjugated diene compound, wherein the number average molecular weight (Mnb) of the hydrogenated block copolymer is 100,000 or less, and the number average molecular weight (MnbA) of at least one polymer block of the polymer blocks A is 8,000 or more.
    Type: Grant
    Filed: October 13, 2010
    Date of Patent: December 2, 2014
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Shunichiro I, Yoshikuni Akiyama, Hiroshi Kamo, Yoshifumi Araki, Toru Yamaguchi, Tomohiro Kondo
  • Patent number: 8865811
    Abstract: The polyphenylene ether according to the present invention includes 5 to 20% by mass of a component having a molecular weight of 50,000 or more and 12 to 30% by mass of a component having a molecular weight of 8,000 or less. The resin composition according to the present invention includes the polyphenylene ether (a) and a hydrogenated block copolymer (b) prepared by hydrogenating a block copolymer including at least two polymer blocks A having a vinyl aromatic compound and at least one polymer block B having a conjugated diene compound, wherein the number average molecular weight (Mnb) of the hydrogenated block copolymer is 100,000 or less, and the number average molecular weight (MnbA) of at least one polymer block of the polymer blocks A is 8,000 or more.
    Type: Grant
    Filed: October 13, 2010
    Date of Patent: October 21, 2014
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Shunichiro I, Yoshikuni Akiyama, Hiroshi Kamo, Yoshifumi Araki, Toru Yamaguchi, Tomohiro Kondo
  • Publication number: 20140206810
    Abstract: A resin composition having a high thermal aging property and molding stability in mass production of molded articles while keeping molding fluidity and thermal creep resistance is provided. A resin composition, containing 100 parts by mass in total of a polypropylene resin (a) and a polyphenylene ether resin (b), and 1 to 20 parts by mass of a compatibilizer (c), wherein in the component (a), the proportion of the component having a molecular weight of 30,000 or less is from 3.0 to 5.1% of the entire component (a), and the proportion of the component having a molecular weight of 10,000,000 or more is from 1.0 to 1.6% of the entire component (a).
    Type: Application
    Filed: July 5, 2012
    Publication date: July 24, 2014
    Applicant: ASAHI KASEI CHEMICALS CORPORATION
    Inventors: Shunichiro I, Koichiro Yoshida, Takaaki Miyoshi
  • Publication number: 20130231430
    Abstract: The polyphenylene ether according to the present invention includes 5 to 20% by mass of a component having a molecular weight of 50,000 or more and 12 to 30% by mass of a component having a molecular weight of 8,000 or less. The resin composition according to the present invention includes the polyphenylene ether (a) and a hydrogenated block copolymer (b) prepared by hydrogenating a block copolymer including at least two polymer blocks A having a vinyl aromatic compound and at least one polymer block B having a conjugated diene compound, wherein the number average molecular weight (Mnb) of the hydrogenated block copolymer is 100,000 or less, and the number average molecular weight (MnbA) of at least one polymer block of the polymer blocks A is 8,000 or more.
    Type: Application
    Filed: October 13, 2010
    Publication date: September 5, 2013
    Applicant: ASAHI KASEI CHEMICALS CORPORATION
    Inventors: Shunichiro I, Yoshikuni Akiyama, Hiroshi Kamo, Yoshifumi Araki, Toru Yamaguchi, Tomohiro Kondo
  • Patent number: 8309256
    Abstract: Provided is a microporous film formed of a thermoplastic resin composition comprising 100 parts by mass of (a) a polyolefin resin and from 5 to 90 parts by mass of (b) a polyphenylene ether resin; the microporous film having a sea-island structure with the polyolefin resin as a sea portion and with the polyphenylene ether resin as an island portion and having a air permeability of from 10 sec/100 cc to 5000 sec/100 cc. The microporous film does not break easily even at high temperatures and has good heat resistance.
    Type: Grant
    Filed: March 24, 2009
    Date of Patent: November 13, 2012
    Assignee: Asahi Kasei E-materials Corporation
    Inventors: Kentaro Kikuchi, Shunichiro I
  • Publication number: 20110027659
    Abstract: Provided is a microporous film formed of a thermoplastic resin composition comprising 100 parts by mass of (a) a polyolefin resin and from 5 to 90 parts by mass of (b) a polyphenylene ether resin; the microporous film having a sea-island structure with the polyolefin resin as a sea portion and with the polyphenylene ether resin as an island portion and having a air permeability of from 10 sec/100 cc to 5000 sec/100 cc. The microporous film does not break easily even at high temperatures and has good heat resistance.
    Type: Application
    Filed: March 24, 2009
    Publication date: February 3, 2011
    Inventors: Kentaro Kikuchi, Shunichiro I.