Patents by Inventor Hirohide Hamazaki

Hirohide Hamazaki 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: 5385987
    Abstract: Disclosed is a resin composition comprising 20 to 90 parts by weight of an ethylene/(meth)acrylic ester/carbon monoxide terpolymer having been graft modified with an unsaturated carboxylic acid or its anhydride and 80 to 10 parts by weight of a polyester elastomer having been graft modified with the above modifier, the total amount of said graft modified ethylene/(meth)acrylate/carbon monoxide terpolymer and polyester elastomer being 100 parts by weight. Also disclosed is an adhesive comprising the above-mentioned resin composition. The resin composition and the adhesive according to the invention are excellent in adhesion properties, heat resistant adhesive properties, hue and heat stability.
    Type: Grant
    Filed: March 8, 1994
    Date of Patent: January 31, 1995
    Assignee: Du Pont-Mitsui Polychemical, Co., Ltd.
    Inventors: Hirohide Hamazaki, Akira Fujiwara
  • Patent number: 5322908
    Abstract: Disclosed is a resin composition comprising 20 to 90 parts by weight of an ethylene/(meth)acrylic ester/carbon monoxide terpolymer having been graft modified with an unsaturated carboxylic acid or its anhydride and 80 to 10 parts by weight of a polyester elastomer having been graft modified with the above modifier, the total amount of said graft modified ethylene/(meth)acrylate/carbon monoxide terpolymer and polyester elastomer being 100 parts by weight. Also disclosed is an adhesive comprising the above-mentioned resin composition. The resin composition and the adhesive according to the invention are excellent in adhesion properties, heat resistant adhesive properties, hue and heat stability.
    Type: Grant
    Filed: March 2, 1993
    Date of Patent: June 21, 1994
    Assignee: Du Pont-Mitsui Polychemicals, Co., Ltd.
    Inventors: Hirohide Hamazaki, Akira Fujiwara
  • Patent number: 5231133
    Abstract: A thermoplastic polymer which is the reaction product of(A) at least one copolymer selected from the group consisting of ethylene/unsaturated carboxylic acid copolymers and ionically crosslinked products thereof wherein the ion is a zinc, cobalt, nickel, copper, lead or magnesium ion,(B) a polyamine compound having at least two primary and/or secondary amino groups, and(C) a polyepoxy resin in a proportion corresponding to not more than one epoxy group for one amino group of the polyamine compound; and a process for its production.
    Type: Grant
    Filed: June 4, 1991
    Date of Patent: July 27, 1993
    Assignee: Dupont Mitsui Polychemicals Co., Ltd.
    Inventors: Eisaku Hirasawa, Hirohide Hamazaki