Patents by Inventor Kozo Shimoguchi

Kozo Shimoguchi 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).

  • Patent number: 4008301
    Abstract: A nonwoven cellulose acetate laminate is made from a base material mainly composed of a cellulose acetate fiber web, in a short time, by the steps of: impregnating a liquid initial condensate of phenol-formaldehyde into the web or spraying a powdery condensate of phenol-formaldehyde onto the web, and then penetrating superheated steam through the resultant cellulose acetate laminate sheet. The sheet possesses good mechanical properties and excellent sound-absorbing and heat-insulating characteristics.
    Type: Grant
    Filed: January 22, 1975
    Date of Patent: February 15, 1977
    Assignee: Daicel, Ltd.
    Inventors: Katsuharu Arisaka, Hideo Sawada, Kozo Shimoguchi