Patents by Inventor Fu-Lian Hsu

Fu-Lian Hsu 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).

  • Synthesis of intermediate anilino methyl esters used in the production of synthetic opioid analgesics
    Patent number: 9278929
    Abstract: An improved process or method of synthesis of carfentanil and other potent opioid analgesics of the N-alkyl 4-substituted 4-piperdinylamide class which can be used as morphine substitutes.
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: March 8, 2016
    Assignee: The United States of America as Represented by the Secretary of the Army
    Inventors: Andrew J Walz, Fu-Lian Hsu
  • Synthesis of intermediate anilino methyl esters used in the production of synthetic opioid analgesics
    Patent number: 8742111
    Abstract: An improved process or method of synthesis of carfentanil and other potent opioid analgesics of the N-alkyl 4-substituted 4-piperidinylamide class which can be used as morphine substitutes.
    Type: Grant
    Filed: February 21, 2013
    Date of Patent: June 3, 2014
    Assignee: The United States of America as Represented by the Secretary of the Army
    Inventors: Andrew J Walz, Fu-Lian Hsu
  • 4-[1-(1-naphthalenyl)ethyl]-1H-imidazole, method of making and use as an anesthetic
    Patent number: 5151526
    Abstract: The chemical 4-[1-(1-naphthalenyl)ethyl]-1H-imidazole and a method of mak the same.
    Type: Grant
    Filed: August 2, 1991
    Date of Patent: September 29, 1992
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Fu-Lian Hsu, William P. Ashman
  • 6-Keto-morphinan analgesics
    Patent number: 4388463
    Abstract: This patent application describes the preparation and properties of novel and highly potent morphinan analgesics. The compounds include narcotic agnoists as well as narcotic antagonists and are represented by the following formula: ##STR1## R.sub.1 =OCH.sub.3, OCOCH.sub.3, H R.sub.2 =CH.sub.3, CH.sub.2 --CH.dbd.CH.sub.2, ##STR2## CH.sub.2 CH.sub.2 C.sub.6 H.sub.
    Type: Grant
    Filed: July 16, 1981
    Date of Patent: June 14, 1983
    Assignee: The United States of America as represented by Secretary of the Department of Health and Human Services
    Inventors: Arnold Brossi, Helmut Schmidhammer, Arthur E. Jacobson, Fu-Lian Hsu