Patents by Inventor Gunther G. Laufer

Gunther G. Laufer 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).

  • Process for preparing substituted cyclopentane derivatives and novel crystalline structures thereof
    Patent number: 6576786
    Abstract: The invention relates to a process for preparing substituted cyclopentane derivatives represented by the formula (I) wherein R1, R2, R3, R4, X and Y are as described in the specification, and pharmaceutically acceptable salts thereof. The invention further relates to a process for purifying the compound of formula (Ia) and novel crystalline forms of the compound of formula (Ia).
    Type: Grant
    Filed: November 26, 2001
    Date of Patent: June 10, 2003
    Assignee: Biocryst Pharmaceuticals Inc.
    Inventors: Ahmed F. Abdel-Magid, Hans-Ulrich Bichsel, Daniel J. Korey, Gunther G. Laufer, Erja A. Lehto, Sebastiano Mattei, Max Rey, Thomas W. Schultz, Cynthia Maryanoff
  • Process for preparing substituted cyclopentane derivatives and novel crystalline structures thereof
    Publication number: 20020061930
    Abstract: The invention relates to a process for preparing substituted cyclopentane derivatives represented by the 1
    Type: Application
    Filed: November 26, 2001
    Publication date: May 23, 2002
    Inventors: Ahmed F. Abdel-Magid, Hans-Ulrich Bichsel, Daniel J. Korey, Gunther G. Laufer, Erja A. Lehto, Sebastiano Mattei, Max Rey, Thomas W. Schultz, Cynthia Maryanoff