Patents by Inventor Toshiaki Uebayashi

Toshiaki Uebayashi 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).

  • Absorbent material for sanitary products
    Patent number: 4289130
    Abstract: An absorbent material comprising cellulose acetate fibers has a good capacity to absorb water and a slow speed of water absorption, so that it can be successfully used to make sanitary products such as disposable diapers and sanitary napkins. The sanitary products prepared with the absorbent material provide improved comfortableness and leakproof properties.
    Type: Grant
    Filed: August 21, 1979
    Date of Patent: September 15, 1981
    Assignees: Daicel Ltd., Fuji Sanitary Industries Co., Ltd.
    Inventors: Akira Usami, Toshiaki Uebayashi, Koji Sato, Tomoko Goda
  • Adsorbent process for oily materials
    Patent number: 4102783
    Abstract: An adsorbent used for effectively collecting or removing oily materials floating on water or emulsified or dispersed in water composed mainly of unrefined lints or unrefined linters together with, if necessary, filter papers, synthetic fibers, or natural fibers as a mixture thereof.
    Type: Grant
    Filed: December 8, 1976
    Date of Patent: July 25, 1978
    Assignee: Daicel Ltd.
    Inventors: Akira Zenno, Toshiaki Uebayashi, Isamu Maruyama, Hidehiro Shiono