Patents by Inventor Mitusuru Suezawa

Mitusuru Suezawa 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).

  • Ink compositions for waterless plates
    Patent number: 4912164
    Abstract: An ink composition for waterless plates for lithography, which comprises as the vehicle a resin (III) obtained by copolymerizing a five-membered compound, such as cyclopentadiene, and/or a Diels-Alder adduct thereof with an unsaturated aromatic hydrocarbon monomer to obtain a resin (I), reacting the resin (I) with an unsaturated carboxylic acid and/or the anhydride thereof to obtain a resin (II) and then further reacting the resin (II) with a phenolic resin to obtain the resin (III).
    Type: Grant
    Filed: October 7, 1988
    Date of Patent: March 27, 1990
    Assignees: Nippon Oil Co., Ltd., Toray Industries Inc.
    Inventors: Makoto Sasaki, Shozo Tsuchiya, Norimasa Ikeda, Mitusuru Suezawa