Patents by Inventor Shouichi MATSUMOTO

Shouichi MATSUMOTO 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).

  • Copolymer, polymer composition, and crosslinked polymer
    Patent number: 10385149
    Abstract: A copolymer having a structural unit derived from a conjugated diene compound and a structural unit derived from an ?-olefin having 3 to 8 carbon atoms, wherein the copolymer has a melting point within a temperature range of 0 to 10° C. and has a fusion enthalpy of 5 J/g or more as measured on a differential scanning calorimeter under the following conditions. Conditions: (1) cooling from 200° C. to ?150° C. at a rate of 10° C./min; (2) retaining at ?150° C. for 1 minute; and (3) heating from ?150° C. to 200° C. at a rate of 20° C./min.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: August 20, 2019
    Assignee: JSR CORPORATION
    Inventors: Takuo Sone, Shouichi Matsumoto, Ayumi Watanabe, Ayumi Hara
  • Copolymer, polymer composition, and crosslinked polymer
    Patent number: 10351645
    Abstract: A copolymer having a structural unit derived from a conjugated diene compound and a structural unit derived from an ?-olefin having 3 to 8 carbon atoms, wherein the copolymer has a melting point within a temperature range of 0 to 10° C. and has a fusion enthalpy of 5 J/g or more as measured on a differential scanning calorimeter under the following conditions. Conditions: (1) cooling from 200° C. to ?150° C. at a rate of 10° C./min; (2) retaining at ?150° C. for 1 minute; and (3) heating from ?150° C. to 200° C. at a rate of 20° C./min.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: July 16, 2019
    Assignee: JSR CORPORATION
    Inventors: Takuo Sone, Shouichi Matsumoto, Ayumi Watanabe, Ayumi Hara
  • COPOLYMER, POLYMER COMPOSITION, AND CROSSLINKED POLYMER
    Publication number: 20180051109
    Abstract: A copolymer having a structural unit derived from a conjugated diene compound and a structural unit derived from an ?-olefin having 3 to 8 carbon atoms, wherein the copolymer has a melting point within a temperature range of 0 to 10° C. and has a fusion enthalpy of 5 J/g or more as measured on a differential scanning calorimeter under the following conditions. Conditions: (1) cooling from 200° C. to ?150° C. at a rate of 10° C./min; (2) retaining at ?150° C. for 1 minute; and (3) heating from ?150° C. to 200° C. at a rate of 20° C./min.
    Type: Application
    Filed: January 29, 2016
    Publication date: February 22, 2018
    Applicant: JSR CORPORATION
    Inventors: Takuo SONE, Shouichi MATSUMOTO, Ayumi WATANABE, Ayumi HARA