Patents by Inventor Nobuo Sukenobe

Nobuo Sukenobe 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).

  • Microporous crumbs of hydrogenated block copolymers and process for producing the same
    Patent number: 5616652
    Abstract: Microporous crumbs of a hydrogenated block copolymer, produced by the process comprising feeding a solution of a hydrogenated block copolymer in a hydrocarbon solvent at a concentration of said hydrogenated block copolymer within a range from 5% to 60% by weight into hot water while maintaining the temperature of said solution at 40.degree. C.-150.degree. C., and then steam stripping at a temperature higher than the boiling point of the hydrocarbon solvent or higher than the azeotropic point of the hydrocarbon solvent and water when they form an azeotropic mixture and lower than 150.degree. C.
    Type: Grant
    Filed: March 6, 1996
    Date of Patent: April 1, 1997
    Assignee: Kuraray Co., Ltd.
    Inventors: Manabu Kusano, Masao Ishii, Nobuo Sukenobe