Patents by Inventor Stephen P. Prescott

Stephen P. Prescott 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).

  • Crystals including a malic acid salt of a 3-pyrrole substituted 2-indolinone, and compositions thereof
    Patent number: 7435832
    Abstract: The present invention provides crystals, and compositions thereof, wherein the crystals include a malic acid salt of N-[2-(diethylamino)ethyl]-5-[(5-fluoro-1,2-dihydro-2-oxo-3H-indol-3-ylidene)methyl]-2,4-dimethyl-1H-pyrrole-3-carboxamide. Methods of preparing such crystals are also disclosed.
    Type: Grant
    Filed: April 26, 2007
    Date of Patent: October 14, 2008
    Assignee: Pharmacia & Upjohn Company
    Inventors: Michael Hawley, Thomas J. Fleck, Stephen P. Prescott, Mark T. Maloney
  • Crystals including a malic acid salt of a 3-pyrrole substituted 2-indolinone, and compositions thereof
    Publication number: 20030069298
    Abstract: The present invention provides crystals, and compositions thereof, wherein the crystals include a malic acid salt of N-[2-(diethylamino)ethyl]-5-[(5-fluoro-1,2-dihydro-2-oxo-3H-indol-3-ylidene)methyl]-2,4-dimethyl-1H-pyrrole-3-carboxamide. Methods of preparing such crystals are also disclosed.
    Type: Application
    Filed: August 13, 2002
    Publication date: April 10, 2003
    Applicant: PHARMACIA & UPJOHN COMPANY
    Inventors: Michael Hawley, Thomas J. Fleck, Stephen P. Prescott, Mark T. Maloney