Patents by Inventor Lifen Shen

Lifen Shen 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).

  • Non-cryogenic process for forming glycosides
    Patent number: 7164015
    Abstract: The present invention provides a method for making glycoside compounds including the steps of: (a) lithiating an aromatic reactant having a leaving group using a lithium reagent in a first microreactor under non-cryogenic conditions to form a lithiated anion species, and (b) coupling the lithiated anion species with a carbonyl substituted reactant to form a glycoside.
    Type: Grant
    Filed: February 27, 2004
    Date of Patent: January 16, 2007
    Assignee: Bristol-Myers Squibb Company
    Inventors: Lifen Shen, San Kiang, Zhenrong Guo
  • Continuous process for producing hydroxyazapirones by oxidation
    Publication number: 20050165233
    Abstract: A method for continuous production of hydroxyazapirones, for example 6-hydroxybuspirone, using a modified reactor. The products of the invention are useful as pharmaceutical agents.
    Type: Application
    Filed: November 15, 2004
    Publication date: July 28, 2005
    Inventors: Mourad Hamedi, Thomas LaPorte, Daniel Watson, Lifen Shen, Eric Dowdy, Jeffrey Depue, Yeung Chan
  • Non-cryogenic process for forming glycosides
    Publication number: 20040230045
    Abstract: The present invention provides a method for making glycoside compounds including the steps of: (a) lithiating an aromatic reactant having a leaving group using a lithium reagent in a first microreactor under non-cryogenic conditions to form a lithiated anion species, and (b) coupling the lithiated anion species with a carbonyl substituted reactant to form a glycoside.
    Type: Application
    Filed: February 27, 2004
    Publication date: November 18, 2004
    Inventors: Lifen Shen, San Kiang, Zhenrong Guo