Patents by Inventor Qi-Tong Feng

Qi-Tong Feng 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 isolating anti-viral ingredients from , compositions comprising them and their medical use
    Patent number: 10537601
    Abstract: The present invention provides a method of isolating at least one ingredient with anti-viral efficacy from Baphicacanthus cusia. The ingredient can be an alkaloid, a triterpenoid, a lignan, a phenylethanoid, a sesquiterpene lactone, or a flavonoid. Two new alkaloids are produced, which have not been previously reported. Moreover, the method isolates 12 compounds which could not or have not been previously isolated. A pharmaceutical composition includes the at least one ingredient and at least one pharmaceutical tolerable excipient. A method of treating a subject suffering from a viral disease includes administering at least one ingredient isolated from Baphicacanthus cusia.
    Type: Grant
    Filed: April 4, 2016
    Date of Patent: January 21, 2020
    Assignee: MACAU UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Jing-Rong Wang, Zhi-Hong Jiang, Qi-Tong Feng, Guo-Yuan Zhu, Wei-Na Gao, Zifeng Yang, Nanshan Zhong
  • METHOD OF ISOLATING ANTI-VIRAL INGREDIENTS FROM BAPHICACANTHUS CUSIA, COMPOSITIONS COMPRISING THEM AND THEIR MEDICAL USE
    Publication number: 20170281702
    Abstract: The present invention provides a method of isolating at least one ingredient with anti-viral efficacy from Baphicacanthus cusia. The ingredient can be an alkaloid, a triterpenoid, a lignan, a phenylethanoid, a sesquiterpene lactone, or a flavonoid. Two new alkaloids are produced, which have not been previously reported. Moreover, the method isolates 12 compounds which could not or have not been previously isolated. A pharmaceutical composition includes the at least one ingredient and at least one pharmaceutical tolerable excipient. A method of treating a subject suffering from a viral disease includes administering at least one ingredient isolated from Baphicacanthus cusia.
    Type: Application
    Filed: April 4, 2016
    Publication date: October 5, 2017
    Inventors: Jing-Rong Wang, Zhi-Hong Jiang, Qi-Tong Feng, Guo-Yuan Zhu, Wei-Na Gao, Zifeng Yang, Nanshan Zhong