Patents by Inventor Patrick M. Siu

Patrick M. Siu 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).

  • Anti-drug withdrawal syndrome composition and method of use
    Patent number: 4190660
    Abstract: A compound of the following formula ##STR1## wherein: X is H, OH, or halogen group;Y is OH, amino or halogen group;Z is OH, amino or halogen group;M is CH.sub.2 OH, CH.sub.2 PO.sub.4, CH.sub.2 Cl, CH.sub.2 Br, CH.sub.2 Fl, or CH.sub.2 1 group, andR is H.sub.2 or an alkyl group having 1 to 5 carbon atoms, when employed in pharmaceutically acceptable quantities alleviate the drug withdrawal syndrome from drug dependent warm blooded animals. A particular compound found suitable for this purpose is 1-(2-methyl-3-hydroxy-5-hydroxymethyl-4-pyridyl)-6,7-dihydroxy-1,2,3,4-tet rahydroisoquinoline.
    Type: Grant
    Filed: August 11, 1978
    Date of Patent: February 26, 1980
    Inventor: Patrick M. Siu