Patents by Inventor Marvin Simon Hoekstra

Marvin Simon Hoekstra 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).

  • Asymmetric synthesis of pregabalin
    Patent number: 6891059
    Abstract: This invention provides a method of making (S)-(+)-3-(aminomethyl)-5-methylhexanoic acid (pregabalin) or a salt thereof via an asymmetric hydrogenation synthesis. Pregabalin is useful for the treatment and prevention of seizure disorders, pain, and psychotic disorders. The invention also provides intermediates useful in the production of pregabalin.
    Type: Grant
    Filed: January 11, 2001
    Date of Patent: May 10, 2005
    Assignee: Warner-Lambert Company
    Inventors: Mark Joseph Burk, Om Prakash Goel, Marvin Simon Hoekstra, Thomas Frederick Mich, Thomas Mulhern, James A. Ramsden
  • Asymmetric synthesis of pregabalin
    Publication number: 20030212290
    Abstract: This invention provides a method of making (S)-(+)-3-(aminomethyl)-5-methylhexanoic acid (pregabalin) or a salt thereof via an asymmetric hydrogenation synthesis. Pregabalin is useful for the treatment and prevention of seizure disorders, pain, and psychotic disorders. The invention also provides intermediates useful in the production of pregabalin.
    Type: Application
    Filed: March 7, 2003
    Publication date: November 13, 2003
    Inventors: Mark Joseph Burk, Omprakash Goel, Marvin Simon Hoekstra, Thomas Frederick Mich, Thomas Mulhern, James A. Ramsden