Patents by Inventor Stephen R. Stabler

Stephen R. Stabler 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).

  • Processes for preparing 1-butyl-2-[2'-(2H-tetrazol-5-yl) biphenyl-4-ylmethyl]-1H-indole-3-carboxylic acid
    Patent number: 5527918
    Abstract: The present invention relates to processes for preparing 1-butyl-2-[2'-(2H-tetrasol-5-yl)biphenyl-4-ylmethyl]-1H-indole-3-carboxyli c acid and to intermediates useful in such processes. The present invention also relates to a process for deprotecting compounds containing a protected 2H-tetrasolyl group, which process comprises reacting a the protected compound with a Lewis acid in the presence of a thiol.
    Type: Grant
    Filed: May 12, 1995
    Date of Patent: June 18, 1996
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Robin D. Clark, Lawrence E. Fisher, Lee A. Flippin, Michael G. Martin, Stephen R. Stabler
  • Arylmethylenyl derivatives of imidazolidinones useful as antiinflammatory agents
    Patent number: 5464856
    Abstract: The present invention is for selected novel compounds, as well as, pharmaceutical compositions and methods of use for known and the selected novel compounds both of the formula ##STR1## having activity useful for treating allergies and inflammation.
    Type: Grant
    Filed: January 24, 1994
    Date of Patent: November 7, 1995
    Assignee: Warner-Lambert Company
    Inventors: Wiaczeslaw A. Cetenko, David T. Connor, Roderick J. Sorenson, Paul C. Unangst, Stephen R. Stabler
  • Processes for preparing 1-butyl-2-[2'-(2H-tetrazol-5-yl) biphenyl-4-ylmethyl]-1H-indole-3-carboxylic acid
    Patent number: 5446121
    Abstract: The present invention relates to processes for preparing 1-butyl-2-[2'-(2H-tetrazol-5-yl)biphenyl-4-ylmethyl]-1H-indole-3-carboxyli c acid and to intermediates useful in such processes. The present invention also relates to a process for deprotecting compounds containing a protected 2H-tetrazolyl group, which process comprises reacting a the protected compound with a Lewis acid in the presence of a thiol.
    Type: Grant
    Filed: January 17, 1995
    Date of Patent: August 29, 1995
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Robin D. Clark, Lawrence E. Fisher, Lee A. Flippin, Michael G. Martin, Stephen R. Stabler
  • Processes for preparing 1-butyl-2-[2'-(2H-tetrazol-5-yl) biphenyl-4-ylmethyl]-1H-indole-3-carboxylic acid
    Patent number: 5412102
    Abstract: The present invention relates to processes for preparing 1-butyl-2-[2'-(2H-tetrazol-5-yl)biphenyl-4-ylmethyl]-1H-indole-3-carboxyli c acid and to intermediates useful in such processes. The present invention also relates to a process for deprotecting compounds containing a protected 2H-tetrazolyl group, which process comprises reacting a the protected compound with a Lewis acid in the presence of a thiol.
    Type: Grant
    Filed: May 27, 1994
    Date of Patent: May 2, 1995
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Robin D. Clark, Lawrence E. Fisher, Lee A. Flippin, Michael G. Martin, Stephen R. Stabler
  • Arylmethylenyl derivatives of oxazolidinone
    Patent number: 5306822
    Abstract: The present invention is for selected novel compounds, as well as, pharmaceutical compositions and methods of use for known and the selected novel compounds both of the formula ##STR1## having activity useful for treating allergies and inflammation.
    Type: Grant
    Filed: December 10, 1992
    Date of Patent: April 26, 1994
    Assignee: Warner-Lambert Company
    Inventors: Wiaczeslaw A. Cetenko, David T. Connor, Roderick J. Sorenson, Paul C. Unangst, Stephen R. Stabler