Patents by Inventor Makino Masaharu

Makino Masaharu 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).

  • Activation energy ray-curable resin
    Patent number: 5077356
    Abstract: A radiation-curable resin which exhibits a high curing rate and good adhesion property when used as a binder for printing inks and a binder for coating materials, obtained by reacting (a) a phenolic hydroxyl group-containing aromatic hydrocarbon resin having a hydroxyl value of 40 to 130 mg.KOH/g resin prepared by polymerizing an aromatic fraction with a phenol compound in the presence of a Friedel-Crafts catalyst with (b) a polyisocyanate in an excessive amount relative to hydroxyl group, and then reacting remaining isocyanate groups with (c) and .alpha.,.beta.-unsaturated compound having an active hydrogen.
    Type: Grant
    Filed: February 6, 1991
    Date of Patent: December 31, 1991
    Assignee: Nippon Oil Company, Ltd.
    Inventors: Makino Masaharu, Suzuki Akinori, Sato Hisatake