Patents by Inventor James P. Staszewski

James P. Staszewski 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 stereoselective synthesis of prostacyclin derivatives
    Patent number: 6765117
    Abstract: An improved method is described for making 9-deoxy-PGF1-type compounds. In contrast to the prior art, the method is stereoselective and requires fewer steps than the known methods for making these compounds. The invention also relates to novel intermediates prepared during the synthesis of the 9-deoxy-PGF1-type compounds.
    Type: Grant
    Filed: July 1, 2002
    Date of Patent: July 20, 2004
    Assignee: United Therapeutic Corporation
    Inventors: Robert M. Moriarty, Raju Penmasta, Liang Guo, Munagala S. Rao, James P. Staszewski
  • Prostacyclin derivatives
    Patent number: 6528688
    Abstract: An improved method is described for making 9-deoxy-PGF1-type compounds. In contrast to the prior art, the method is stereoselective and requires fewer steps than the known methods for making these compounds.
    Type: Grant
    Filed: February 15, 2002
    Date of Patent: March 4, 2003
    Assignee: United Therapeutics Corporation
    Inventors: Robert M. Moriarty, Raju Penmasta, Liang Guo, Munagala S. Rao, James P. Staszewski
  • Process for stereoselective synthesis of prostacyclin derivatives
    Publication number: 20020173672
    Abstract: An improved method is described for making 9-deoxy-PGF1-type compounds. In contrast to the prior art, the method is stereoselective and requires fewer steps than the known methods for making these compounds.
    Type: Application
    Filed: July 1, 2002
    Publication date: November 21, 2002
    Applicant: UNITED THERAPEUTICS CORPORATION
    Inventors: Robert M. Moriarty, Raju Penmasta, Liang Guo, Munagala S. Rao, James P. Staszewski
  • Process for stereoselective synthesis of prostacyclin derivatives
    Patent number: 6441245
    Abstract: An improved method is described for making 9-deoxy-PGF1-type compounds. In contrast to the prior art, the method is stereoselective and requires fewer steps than the known methods for making these compounds.
    Type: Grant
    Filed: April 3, 2000
    Date of Patent: August 27, 2002
    Assignee: United Therapeutics Corporation
    Inventors: Robert M. Moriarty, Raju Penmasta, Liang Guo, Munagala S. Rao, James P. Staszewski
  • Process for stereoselective synthesis of prostacyclin derivatives
    Publication number: 20020087025
    Abstract: An improved method is described for making 9-deoxy-PGF1-type compounds. In contrast to the prior art, the method is stereoselective and requires fewer steps than the known methods for making these compounds.
    Type: Application
    Filed: February 15, 2002
    Publication date: July 4, 2002
    Applicant: UNITED THERAPEUTICS CORPORATION
    Inventors: Robert M. Moriarty, Raju Penmasta, Liang Guo, Munagala S. Rao, James P. Staszewski