Patents by Inventor Zhengrong Guo

Zhengrong Guo 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).

  • Method of preparation of 21-amino epothilone derivatives
    Patent number: 6930187
    Abstract: An improved method of synthesis of 21-amino epothilone derivatives which provides a one-pot conversion of 21-hydroxy epothilones to highly desirable 21-amino epothilones in high yield.
    Type: Grant
    Filed: February 13, 2003
    Date of Patent: August 16, 2005
    Assignee: Bristol-Myers Squibb Company
    Inventors: Denis Favreau, Joydeep Kant, Kathia Levesque, Shaopeng Wang, Zhengrong Guo, Brian Leslie James
  • Method of preparation of 21-amino epothilone derivatives
    Publication number: 20030187039
    Abstract: An improved method of synthesis of 21-amino epothilone derivatives which provides a one-pot conversion of 21-hydroxy epothilones to highly desirable 21-amino epothilones in high yield.
    Type: Application
    Filed: February 13, 2003
    Publication date: October 2, 2003
    Inventors: Denis Favreau, Joydeep Kant, Kathia Levesque, Shaopeng Wang, Zhengrong Guo, Brian Leslie James