Patents by Inventor Kouichi Uchiki

Kouichi Uchiki 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).

  • Random-block copolymer and monofilament thereof
    Patent number: 6068920
    Abstract: A random-block copolymer having appropriate hydrolyzability, excellent flexibility and excellent mechanical strength, a monofilament thereof, and a process for producing the copolymer. The random-block copolymer comprises from 5 to 50 mol % of a random copolymer segment containing from 20 to 80 mol % of a lactide unit (A) and from 80 to 20 mol % of a caprolactone unit (B), and from 95 to 50 mol % of a block copolymer segment containing a glycolide unit (C).
    Type: Grant
    Filed: August 19, 1998
    Date of Patent: May 30, 2000
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Akihiro Funae, Kouichi Uchiki, Hideyuki Akieda, Yuzo Ono