Patents by Inventor Fanglong Qiu

Fanglong Qiu 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).

  • Use of amino hydrogenated quinazoline compounds and derivatives thereof for abstaining from drug dependence
    Patent number: 5846975
    Abstract: This invention relates to the use of amino hydrogenated quinazoline compounds and derivatives thereof, such as tetrodotoxin, for abstaining from drug dependence in human. Such compounds are administered by subcutaneous, intramuscular or intravenous injection for abstaining from drug dependence, the said drug is alkaloids and nitrogen-containing non-amino acid compound, for example opium, morphine, heroin and the like. Such compounds without drug dependence and low toxicity and side effect can abstain rapidly from drug dependence.
    Type: Grant
    Filed: May 21, 1996
    Date of Patent: December 8, 1998
    Assignee: Nanning Maple Leaf Pharmaceutical Co., Ltd.
    Inventors: Xinfu Pan, Fanglong Qiu