Patents by Inventor Yui Asano

Yui Asano 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: 9428316
    Abstract: A two-component curable oxygen-absorbing composition comprises a polyester comprising structural units derived from an acid component (A) and an acid component (B), wherein the ratio of the acid component (A) to total acid components is 70 mol % to 95 mol %, the ratio of the acid component (B) to total acid components is 0 mol % to 15 mol %, the polyester has a glass transition temperature of ?20° C. to 0° C., the resin is cured using a diisocyanate hardening agent, and the acid component (A) is a tetrahydrophthalic acid or a derivative thereof, or a tetrahydrophthalic acid anhydride or a derivative thereof, and the acid component (B) is a phthalic acid or an analog thereof.
    Type: Grant
    Filed: January 12, 2015
    Date of Patent: August 30, 2016
    Assignee: Toyo Seikan Group Holdings, Ltd.
    Inventors: Yoshihiro Ohta, Yoichi Ishizaki, Yui Asano
  • Patent number: 9102853
    Abstract: The purpose of the present invention is to provide a two-part curable oxygen-absorbable resin composition which has all of oxygen absorbability, adhesion properties and a cohesive force. The present invention provides a two-part curable oxygen-absorbable resin composition comprising: a main component which comprises a polyester polyol containing tetrahydrophthalic acid or a derivative thereof or tetrahydrophthalic acid anhydride or a derivative thereof as a raw material; and an aliphatic and/or alicyclic isocyanate curing agent component.
    Type: Grant
    Filed: December 26, 2011
    Date of Patent: August 11, 2015
    Assignee: Toyo Seikan Group Holdings, Ltd.
    Inventors: Yoshihiro Ohta, Yoichi Ishizaki, Yui Asano
  • Publication number: 20150125710
    Abstract: The purpose of the present invention is to provide a two-component curable oxygen-absorbing resin composition that has both oxygen-absorbing and adhesive properties and cohesive power. The resin for an oxygen-absorbing adhesive is a polyester comprising structural units derived from an acid component (A) and an acid component (B), wherein the ratio of the acid component (A) to total acid components is 70% to 95 mol %, the ratio of the acid component (B) to total acid components is 0% to 15 mol %, the polyester has a glass transition temperature of ?20° C. to 2° C., the resin is cured using a hardening agent, the acid component (A) is tetrahydrophthalic acid or a derivative thereof, or tetrahydrophthalic acid anhydride or a derivative thereof, and the acid component (B) is phthalic acid.
    Type: Application
    Filed: January 12, 2015
    Publication date: May 7, 2015
    Inventors: Yoshihiro Ohta, Yoichi Ishizaki, Yui Asano
  • Publication number: 20130280537
    Abstract: The purpose of the present invention is to provide a two-part curable oxygen-absorbable resin composition which has all of oxygen absorbability, adhesion properties and a cohesive force. The present invention provides a two-part curable oxygen-absorbable resin composition comprising: a main component which comprises a polyester polyol containing tetrahydrophthalic acid or a derivative thereof or tetrahydrophthalic acid anhydride or a derivative thereof as a raw material; and an aliphatic and/or alicyclic isocyanate curing agent component.
    Type: Application
    Filed: December 26, 2011
    Publication date: October 24, 2013
    Applicant: Toyo Seikan Group Holdings, Ltd.
    Inventors: Yoshihiro Ohta, Yoichi Ishizaki, Yui Asano
  • Publication number: 20130143734
    Abstract: The purpose of the present invention is to provide a two-component curable oxygen-absorbing resin composition that has both oxygen-absorbing and adhesive properties and cohesive power. The resin for an oxygen-absorbing adhesive is a polyester comprising structural units derived from an acid component (A) and an acid component (B), wherein the ratio of the acid component (A) to total acid components is 70 to 95 mol %, the ratio of the acid component (B) to total acid components is 0 to 15 mol %, the polyester has a glass transition temperature of ?20° C. to 2° C., the resin is cured using a hardening agent, the acid component (A) is tetrahydrophthalic acid or a derivative thereof, or tetrahydrophthalic acid anhydride or a derivative thereof, and the acid component (B) is phthalic acid.
    Type: Application
    Filed: August 16, 2011
    Publication date: June 6, 2013
    Applicant: TOYO SEIKAN KAISHA LTD.
    Inventors: Yoshihiro Ohta, Yoichi Ishizaki, Yui Asano