Patents by Inventor Yoshifumi Fukuii

Yoshifumi Fukuii 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).

  • Polyisobutylene/polyolefin copolymer and process for producing the same
    Publication number: 20060106169
    Abstract: The present invention provides a copolymer including polyisobutylene-graft-polyolefin and/or polyisobutylene-block-polyolefin copolymer, a process for efficiently producing the copolymer, and a composition containing the copolymer. The copolymer is efficiently produced by cationic polymerization of monomers mainly including isobutylene in the presence of a vinylidene-terminated polyolefin macromonomer.
    Type: Application
    Filed: November 14, 2003
    Publication date: May 18, 2006
    Applicant: KANEKA CORPORATION
    Inventor: Yoshifumi Fukuii