Patents by Inventor Kunio Tanahashi

Kunio Tanahashi 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 antistatic acrylic fibers
    Patent number: 3976738
    Abstract: Acrylic fibers have a decreased tendency to accumulate static charges when the spinning solution from which the fibers are spun has incorporated therein a polymer of tetrohydrofuran, which polymer remains durably adhered to the formed fiber.
    Type: Grant
    Filed: December 13, 1973
    Date of Patent: August 24, 1976
    Assignee: American Cyanamid Company
    Inventors: Kunio Tanahashi, Yukitoshi Nariai