Patents by Inventor Hirozi Niimi

Hirozi Niimi 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).

  • Process for the formation of a polyolefin coating layer onto a metal surface
    Patent number: 4048355
    Abstract: A process for forming a polyolefin coating layer onto a surface of a metal which comprises coating an uncured epoxy resin layer onto the surface of a metal and melt-bonding a polyolefin modified with an unsaturated carboxylic acid or an anhydride thereof onto the uncured epoxy resin layer coated onto said metal surface. The coating layer has a high bonding strength and excellent water resistance, especially resistance against brine.
    Type: Grant
    Filed: November 19, 1974
    Date of Patent: September 13, 1977
    Assignees: Mitsui Petrochemical Industries Ltd., Toa Paint Co. Ltd.
    Inventors: Seigo Sakayori, Tomoyosi Kuro, Kazuyuki Morita, Nobuya Hinooka, Hirozi Niimi, Kensuke Komatsu
  • Process for the formation of a polyolefin coating layer onto a metal surface
    Patent number: RE30006
    Abstract: A process for forming a polyolefin coating layer onto a surface of a metal which comprises coating an uncured epoxy resin layer onto the surface of a metal and melt-bonding a polyolefin modified with an unsaturated carboxylic acid or an anhydride thereof onto the uncured epoxy resin layer coated onto said metal surface. The coating layer has a high bonding strength and excellent water resistance, especially resistance against brine.
    Type: Grant
    Filed: May 25, 1978
    Date of Patent: May 22, 1979
    Assignees: Mitsui Petrochemical Industries Ltd., Toa Paint Co. Ltd.
    Inventors: Seigo Sakayori, Tomoyosi Kuro, Kazuyuki Morita, Nobuya Hinooka, Hirozi Niimi, Kensuke Komatsu