Patents by Inventor Kenzo Hashimura

Kenzo Hashimura 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 fluoroelastomers
    Patent number: 5824755
    Abstract: Fluoroelastomers having copolymerized units of vinylidene fluoride and at least one other fluorinated monomer are prepared in aqueous suspension using an initiator comprising a solution of an oil soluble peroxide in a water-soluble hydrocarbon solvent.
    Type: Grant
    Filed: February 21, 1997
    Date of Patent: October 20, 1998
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Kenichi Hayashi, Kenzo Hashimura, Michio Kasahara, Yukihiro Ikeda