Patents by Inventor Luo Steven

Luo Steven 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).

  • Stabilizing high-vinyl polybutadiene
    Patent number: 7211619
    Abstract: A stabilized high-vinyl polybutadiene composition comprising a high-vinyl polybutadiene, and an antioxidant defined by the formula where each R1 and R2, which may be the same or different, are mono-valent organic groups, or where each R1, which may be the same or different, is a mono-valent organic group and the two R2 groups join to form a divalent organic group.
    Type: Grant
    Filed: August 7, 2001
    Date of Patent: May 1, 2007
    Assignee: Bridgestone Corporation
    Inventors: Luo Steven, Koji Masaki, Tatsuro Hamada
  • Stabilizing high-vinyl polybutadiene
    Publication number: 20030040594
    Abstract: A stabilized high-vinyl polybutadiene composition comprising a high-vinyl polybutadiene, and an antioxidant defined by the formula 1
    Type: Application
    Filed: August 7, 2001
    Publication date: February 27, 2003
    Applicant: Bridgestone Corp.
    Inventors: Luo Steven, Koji Masaki, Tatsuro Hamada