Patents by Inventor Baoying Li

Baoying Li 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).

  • Water-soluble triterpenephenol compounds having antitumor activity and the preparation thereof
    Patent number: 8299125
    Abstract: The invention discloses water-soluble triterpenephenol compounds having antitumor activity represented by formula (I), wherein the substituents R1˜R4 and M are defined as in the description. The invention also discloses a method for preparing the compounds of formula (I) used quinone methide triterpene compounds as starting materials. The water-soluble triterpenephenol compounds disclosed in the invention can be made into various dosage forms including injection, tablet, capsule, granule and liniment, particularly suitable for making into injection.
    Type: Grant
    Filed: November 5, 2008
    Date of Patent: October 30, 2012
    Assignee: Shanghai Huatuo Medical Science Co., Ltd.
    Inventors: Jiafeng Zeng, Junfang Pan, Baoying Li, Qin Zhu, Tong Fang, Huiyan Ni
  • WATER-SOLUBLE TRITERPENEPHENOL COMPOUNDS HAVING ANTITUMOR ACTIVITY AND THE PREPARATION THEREOF
    Publication number: 20100267983
    Abstract: The invention discloses water-soluble triterpenephenol compounds having antitumor activity represented by formula (I), wherein the substituents R1˜R4 and M are defined as in the description. The invention also discloses a method for preparing the compounds of formula (I) used quinone methide triterpene compounds as starting materials. The water-soluble triterpenephenol compounds disclosed in the invention can be made into various dosage forms including injection, tablet, capsule, granule and liniment, particularly suitable for making into injection.
    Type: Application
    Filed: November 5, 2008
    Publication date: October 21, 2010
    Applicant: SHANGHAI HUATUO MEDICAL SCIENCE CO., LTD
    Inventors: Jiafeng Zeng, Junfang Pan, Baoying Li, Qin Zhu, Tong Fang, Huiyan Ni
  • Safety lock installation tool
    Patent number: D954520
    Type: Grant
    Filed: May 23, 2021
    Date of Patent: June 14, 2022
    Inventor: Baoying Li
  • Safety lock
    Patent number: D967692
    Type: Grant
    Filed: January 14, 2022
    Date of Patent: October 25, 2022
    Inventor: Baoying Li
  • Safety lock
    Patent number: D974874
    Type: Grant
    Filed: January 12, 2022
    Date of Patent: January 10, 2023
    Inventors: Baoying Li, Chengbo Wang