Patents by Inventor Hironobu Nakao

Hironobu Nakao 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).

  • Photographic polyester supports subjected to subbing treatment
    Patent number: 4328283
    Abstract: A photographic polyester support having an adjacent subbing layer which comprises a copolymer of (1) glycidyl acrylate and/or glycidyl methacrylate and (2) hydroxylalkyl acrylate with the alkyl groups of 2-4 carbon atoms and/or hydroxyalkyl methacrylate wherein 0-67 wt % of a copolymerizable vinyl monomer may be present and the method of subbing said support with an aqueous composition of the acrylate copolymer.
    Type: Grant
    Filed: November 13, 1979
    Date of Patent: May 4, 1982
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Takanori Nakadate, Naoto Abe, Kenichi Kitahara, Hironobu Nakao