Patents by Inventor Kiyotake Akiho

Kiyotake Akiho 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 producing moisture and water-proof paper
    Patent number: 4117199
    Abstract: A coated paper having a moisture and water-proof coating thereon is produced by coating a paper substrate with an aqueous emulsion containing a synthetic rubber latex and a wax emulsion in an amount of the solid wax of 5 to 200 parts by weight per 100 parts by weight of the solid synthetic rubber and, then, drying the coated paper at a temperature the same as or higher than the melting point of the wax. The resultant paper is highly capable of repulping.
    Type: Grant
    Filed: September 26, 1977
    Date of Patent: September 26, 1978
    Assignee: Oji Paper Co., Ltd.
    Inventors: Hideo Gotoh, Akira Igarashi, Reiko Kobayashi, Kiyotake Akiho