Patents by Inventor Robert A. Carson

Robert A. Carson 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).

  • Preparation of pyrrole-2-acetic acid derivatives
    Patent number: 3957818
    Abstract: Catalytic dehydrogenation of .DELTA.-2,.alpha.-pyrrolidenemalonates and .DELTA.-2,.alpha.-pyrrolidenemalononitriles yields pyrrole-2-acetates and pyrrole-2-acetonitriles, respectively. Subsequent hydrolysis of the latter affords pyrrole-2-acetic acids.
    Type: Grant
    Filed: November 7, 1974
    Date of Patent: May 18, 1976
    Assignee: McNeil Laboratories, Incorporated
    Inventor: John Robert Carson
  • Aroyl-substituted pyrroles
    Patent number: 3952012
    Abstract: The compounds are of the class of 5-aroyl-pyrrole alkanoic acids and corresponding acid derivatives thereof useful as anti-inflammatory agents and as synthetic intermediates.
    Type: Grant
    Filed: June 17, 1974
    Date of Patent: April 20, 1976
    Assignee: McNeil Laboratories, Incorporated
    Inventor: John Robert Carson
  • 5-Chlorocarbonyl
    Patent number: 3950355
    Abstract: A process of preparing certain 5-aroyl-pyrrole-2-alkanoic acid derivatives using phosgene and certain 5-unsubstituted pyrroles as starting materials, and certain novel 5-chlorocarbonyl-pyrrole precursors.
    Type: Grant
    Filed: April 18, 1974
    Date of Patent: April 13, 1976
    Assignee: McNeil Laboratories, Inc.
    Inventor: John Robert Carson