Patents by Inventor Soichi Shimoyama

Soichi Shimoyama 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 a resin for printing ink, and a composition comprising said resin
    Patent number: 4398016
    Abstract: A process for producing a rosin-modified phenolic resin modified with an animal or vegetable oil, which has superior properties as a vehicle for offset printing inks; and a resin composition for printing inks comprising the oil-modified and rosin-modified phenolic resin obtained by the aforesaid process as an essential ingredient.
    Type: Grant
    Filed: September 16, 1981
    Date of Patent: August 9, 1983
    Assignee: Dainippon Ink and Chemicals, Inc.
    Inventors: Minoru Homma, Noboru Okoshi, Kin-ichi Kudo, Soichi Shimoyama, Nansei Tashiro