Patents by Inventor Sumio Oota

Sumio Oota 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: 5827443
    Abstract: The object of the present invention is to provide a water permeating agent, which imparts water permeability durable against repeated water permeation, and sufficient fiber cohesion to binder fibers, which are processed into textile products, such as nonwovens; said water permeating agent comprises a (poly)alkyl polyalkylenepolyamine amide and a trialkylglycine derivative.
    Type: Grant
    Filed: March 14, 1997
    Date of Patent: October 27, 1998
    Assignee: Matsumoto Yushi-Seiyaku Co., Ltd.
    Inventors: Setsuo Kita, Haruhiko Komeda, Teruo Higashiguchi, Kazuhide Takahashi, Sumio Oota