Patents by Inventor Atushi Takahashi

Atushi Takahashi 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).

  • Thermosetting resin, and its production and use
    Patent number: 4215028
    Abstract: A thermosetting resin of self cross-linking type which is prepared by polymerization of at least one polymerizable monomer having an ampho-ion structure, at least one polymerizable monomer containing an oxirane group and at least one other monomer and can afford a hardened film or article of good physical properties when cross-linked.
    Type: Grant
    Filed: July 24, 1978
    Date of Patent: July 29, 1980
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Ryuzo Mizuguchi, Atushi Takahashi, Shinichi Ishikura, Akimitsu Uenaka
  • Thermosetting resin composition
    Patent number: 4140664
    Abstract: An aqueous solution or dispersion of thermosetting resin comprising a resin, dissolved or dispersed in water in an amount of 5 to 85% by weight, said resin being obtained by solution polymerization of a mixture comprising (1) at least one polymerizable monomer having an amphoteric ion structure, (2) at least one polymerizable monomer containing a carboxyl group and (3) at least one of other polymerizable monomers in a hydrophilic organic solvent and has a number average molecular weight of 1,000 to 30,000 and a glass transition point of -30 to +80.degree. C.
    Type: Grant
    Filed: September 6, 1977
    Date of Patent: February 20, 1979
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Ryuzo Mizuguchi, Atushi Takahashi, Shin-ichi Ishikura, Akimitsu Uenaka