Patents by Inventor R. Keith Webber

R. Keith Webber 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).

  • Hydroxyamidino derivatives useful as nitric oxide synthase inhibitors
    Patent number: 6576780
    Abstract: The current invention discloses hydroxyamidino derivatives useful as nitric oxide synthase inhibitors.
    Type: Grant
    Filed: October 13, 2000
    Date of Patent: June 10, 2003
    Assignee: GD Searle & Company
    Inventors: Rolando E. Gapud, Timothy J. Hagen, E. Ann Hallinan, Donald W. Hansen, Jr., Barnett S. Pitzele, Suzanne S. Metz, R. Keith Webber, Foe S. Tjoeng, Robert E. Manning, Mihaly V. Toth
  • Pyrrolo[2,1-c][1,2,4] thiadiazoles and Pyrollo[2,1-c][1,12,4]oxadiazoles useful as nitric oxide synthase inhibitors
    Patent number: 6552052
    Abstract: Pyrrolo[2,1-c][1,2,4]thiadiazole or pyrollo[2,1-c][1,2,4]oxadiazoles having the formula: or pharmaceutically acceptable salts thereof, useful as nitric oxide synthase inhibitors wherein each substituent is defined herein.
    Type: Grant
    Filed: March 26, 2001
    Date of Patent: April 22, 2003
    Assignee: Monsanto/G.D. Searle
    Inventors: Donald W. Hansen, Jr., R. Keith Webber, E. Ann Hallinan, Mihaly V. Toth, Barnett S. Pitzele, Alok K. Awasthi, Alan E. Moormann, Suzanne Metz, Jeffery S. Snyder, William M. Moore, Jeffrey A. Scholten
  • Heterobicyclic and tricyclic nitric oxide synthase inhibitors
    Patent number: 6489323
    Abstract: The current invention relates to compounds of Formula I pharmaceutical compositions and methods of use as nitric oxide synthase inhibitors, wherein the substituents are defined in the application.
    Type: Grant
    Filed: June 10, 1999
    Date of Patent: December 3, 2002
    Assignee: G.D. Searle & Co.
    Inventors: Donald W. Hansen, Jr., R. Keith Webber, E. Ann Hallinan, Mihaly V. Toth, Barnett S. Pitzele, Alok K. Awasthi, Alan E. Moormann, Suzanne Metz, Jeffery S. Snyder, William M. Moore, Jeffrey A. Scholten
  • Imino pyrrolidine derivatives useful as nitric oxide synthase inhibitors
    Patent number: 6448286
    Abstract: The current invention discloses useful pharmaceutical compositions containing amidino derivative useful as nitric oxide synthase inhibitors.
    Type: Grant
    Filed: July 28, 1998
    Date of Patent: September 10, 2002
    Assignee: G.D. Searle & Co.
    Inventors: Donald W. Hansen, Jr., Mark G. Currie, E. Ann Hallinan, Kam F. Fok, Timothy J. Hagen, Arija A. Bergmanis, Steven W. Kramer, Len F. Lee, Suzanne Metz, William M. Moore, Karen B. Peterson, Barnett S. Pitzele, Dale P. Spangler, R. Keith Webber, Mihaly V. Toth, Mahima Trivedi, Foe S. Tjoeng
  • Halogenated amidino amino acid deviratives useful as nitric oxide synthase inhibitors
    Patent number: 6344483
    Abstract: The current invention discloses halogenated amidino amino acid derivatives useful as nitric oxide synthase inhibitors, and pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: January 31, 2000
    Date of Patent: February 5, 2002
    Assignee: G. D. Searle & Co.
    Inventors: E. Ann Hallinan, Barnett S. Pitzele, Dale P. Spangler, Mihaly V. Toth, R. Keith Webber, Arija A. Bergmanis, Timothy J. Hagen, Sofya Tsymbalov
  • Imidazoles useful as nitric oxide synthase inhibitors
    Patent number: 6344473
    Abstract: 1,3-diazolino and 1,3-diazolidino heterocycle derivatives useful as nitric oxide synthase inhibitors.
    Type: Grant
    Filed: August 7, 2000
    Date of Patent: February 5, 2002
    Assignee: G.D. Searle & Co.
    Inventors: Donald W. Hansen, Jr., Arija A. Bergmanis, Timothy J. Hagen, E. Ann Hallinan, Steven W. Kramer, Suzanne Metz, Karen B. Peterson, Barnett S. Pitzele, Foe S. Tjoeng, Mihaly V. Toth, Mahima Trivedi, R. Keith Webber, Sofya Tsymbalov, Rolando E. Gapud
  • Heterobicyclic and tricyclic nitric oxide synthase inhibitors
    Publication number: 20010044539
    Abstract: The current invention discloses useful bicyclic and tricyclic amidino derivative compounds, pharmaceutical compositions containing these novel compounds, and to their use as nitric oxide synthase inhibitors.
    Type: Application
    Filed: March 26, 2001
    Publication date: November 22, 2001
    Inventors: Donald W. Hansen, R. Keith Webber, E. Ann Hallinan, Mihaly V. Toth, Barnett S. Pitzele, Alok K. Awasthi, Alan E. Moormann, Suzanne Metz, Jeffery S. Snyder, William M. Moore, Jeffrey A. Scholten
  • Hydroxyamidino derivatives useful as nitric oxide synthase inhibitors
    Patent number: 6207708
    Abstract: The current invention discloses hydroxyamidino derivatives useful as nitric oxide synthase inhibitors.
    Type: Grant
    Filed: March 11, 1998
    Date of Patent: March 27, 2001
    Assignee: G. D. Searle & Company
    Inventors: Rolando E. Gapud, Timothy J. Hagen, E. Ann Hallinan, Donald W. Hansen, Jr., Barnett S. Pitzele, Suzanne S. Metz, R. Keith Webber, Foe S. Tjoeng, Robert E. Manning, Mihaly V. Toth
  • Oxathiadiazole derivatives usful as iNOS inhibitors
    Patent number: 6136829
    Abstract: 1,3-diazolino and 1,3-diazolidino heterocycle derivatives useful as nitric oxide synthase inhibitors.
    Type: Grant
    Filed: July 19, 1999
    Date of Patent: October 24, 2000
    Assignee: G.D. Searle & Co.
    Inventors: Donald W. Hansen, Jr., Ariia A. Bergmanis, Timothy J. Hagen, E. Ann Hallinan, Steven W. Kramer, Suzanne Metz, Karen B. Peterson, Barnett S. Pitzele, Foe S. Tjoeng, Mihaly V. Toth, Mahima Trivedi, R. Keith Webber, Sofya Tsymbalov, Rolando E. Gapud
  • Imidino piperidine derivatives useful as nitric oxide synthase inhibitors
    Patent number: 6071906
    Abstract: The current invention discloses useful pharmaceutical compositions containing amidino derivative useful as nitric oxide synthase inhibitors.
    Type: Grant
    Filed: July 28, 1998
    Date of Patent: June 6, 2000
    Assignee: G. D. Searle & Co.
    Inventors: Donald W. Hansen, Jr., Mark G. Currie, E. Ann Hallinan, Kam F. Fok, Timothy J. Hagen, Arija A. Bergmanis, Steven W. Kramer, Len F. Lee, Suzanne Metz, William M. Moore, Karen B. Peterson, Barnett S. Pitzele, Dale P. Spangler, R. Keith Webber, Mihaly V. Toth, Mahima Trivedi, Foe S. Tjoeng
  • Amidino derivatives useful as nitric oxide synthase inhibitors
    Patent number: 6046211
    Abstract: The current invention discloses useful pharmaceutical compositions containing amidino derivative useful as nitric oxide synthase inhibitors.
    Type: Grant
    Filed: May 6, 1998
    Date of Patent: April 4, 2000
    Assignee: G.D. Searle & Co.
    Inventors: Donald W. Hansen, Jr., Mark G. Currie, E. Ann Hallinan, Kam F. Fok, Timothy J. Hagen, Arija A. Bergmanis, Steven W. Kramer, Len F. Lee, Suzanne Metz, William M. Moore, Karen B. Peterson, Barnett S. Pitzele, Dale P. Spangler, R. Keith Webber, Mihaly V. Toth, Mahima Trivedi, Foe S. Tjoeng
  • Pyrrolodino imidines useful as nitric oxide synthase inhibitors
    Patent number: 6043261
    Abstract: The current invention discloses useful pyrrolodino imidine derivatives useful as nitric oxide synthase inhibitors.
    Type: Grant
    Filed: November 25, 1998
    Date of Patent: March 28, 2000
    Assignee: G. D. Searle & Co.
    Inventors: Donald W. Hansen, Jr., E. Ann Hallinan, Timothy J. Hagen, Steven W. Kramer, Suzanne Metz, Karen B. Peterson, Dale P. Spangler, Mihaly V. Toth, Kam F. Fok, Arija A. Bergmanis, R. Keith Webber, Mahima Trivedi, Foe S. Tjoeng, Barnett S. Pitzele
  • Cyclic amidino agents useful as nitric oxide synthase inhibitors
    Patent number: 6011028
    Abstract: The current invention discloses useful amidino derivative useful as nitric oxide synthase inhibitors.
    Type: Grant
    Filed: March 27, 1998
    Date of Patent: January 4, 2000
    Assignee: G.D. Searle & Co.
    Inventors: Donald W. Hansen, Jr., E. Ann. Hallinan, Timothy J. Hagen, Steven W. Kramer, Suzanne Metz, Karen B. Peterson, Dale P. Spangler, Mihaly V. Toth, Kam F. Fok, Arija A. Bergmanis, R. Keith Webber, Mahima Trivedi, Foe S. Tjoeng, Barnett S. Pitzele
  • 1,3-diazolino and 1,3-diazolidino heterocycles as useful nitric oxide synthase inhibitors
    Patent number: 5981556
    Abstract: 1,3-diazolino and 1,3-diazolidino heterocycle derivatives useful as nitric oxide synthase inhibitors.
    Type: Grant
    Filed: July 22, 1997
    Date of Patent: November 9, 1999
    Assignee: G.D. Searle & Co.
    Inventors: Donald W. Hansen, Jr., Arija A. Bergmanis, Timothy J. Hagen, E. Ann Hallinan, Steven W. Kramer, Suzanne Metz, Karen B. Peterson, Barnett S. Pitzele, Foe S. Tjoeng, Mihaly V. Toth, Mahima Trivedi, R. Keith Webber, Sofya Tsymbalov, Rolando E. Gapud
  • Hydroxyamidino derivatives useful as nitric oxide synthase inhibitors
    Patent number: 5981511
    Abstract: The current invention discloses hydroxyamidino derivatives useful as nitric oxide synthase inhibitors.
    Type: Grant
    Filed: March 5, 1997
    Date of Patent: November 9, 1999
    Assignee: G.D. Searle & Co.
    Inventors: Rolando E. Gapud, Timothy J. Hagen, Ann E. Hallinan, Donald W. Hansen, Jr., Robert E. Manning, Suzanne Metz, Barnett S. Pitzele, Foe S. Tjoeng, Mihaly V. Toth, R. Keith Webber
  • 1,2,4-oxa diazolino and 1,24-oxa diazolidion heterocycles as useful nitric oxide synthase inhibitors
    Patent number: 5958958
    Abstract: 1,2,4-oxa-diazolino and 1,2,4-oxa-diazolidino heterocycle derivatives useful as nitric oxide synthase inhibitors.
    Type: Grant
    Filed: January 14, 1999
    Date of Patent: September 28, 1999
    Assignee: G.D. Searle & Co.
    Inventors: Donald W. Hansen, Jr., Arija A. Bergmanis, Timothy J. Hagen, E. Ann Hallinan, Steven W. Kramer, Suzanne Metz, Karen B. Peterson, Barnett S. Pitzele, Foe S. Tjoeng, Mihaly V. Toth, Mahima Trivedi, R. Keith Webber, Sofya Tsymbalov, Rolando E. Gapud
  • Hydroxyanidino derivatives useful as nitric oxide synthase inhibitors
    Patent number: 5945408
    Abstract: The current invention discloses hydroxyamidino derivatives useful as nitric oxide synthase inhibitors.
    Type: Grant
    Filed: August 8, 1996
    Date of Patent: August 31, 1999
    Assignee: G.D. Searle & Co.
    Inventors: R. Keith Webber, Foe S. Tjoeng, Robert E. Manning
  • Azepine derivatives useful as nitric oxide synthase inhibitors
    Patent number: 5883251
    Abstract: The current invention discloses azepine derivatives useful as nitric oxide synthase inhibitors.
    Type: Grant
    Filed: November 25, 1997
    Date of Patent: March 16, 1999
    Assignee: G. D. Searle & Co.
    Inventors: Donald W. Hansen, Jr., E. Ann Hallinan, Timothy J. Hagen, Steven W. Kramer, Suzanne Metz, Karen B. Peterson, Dale P. Spangler, Mihaly V. Toth, Kam F. Fok, Arija A. Bergmanis, R. Keith Webber, Mahima Trivede, Foe S. Tjoeng, Barnett S. Pitzele
  • Amidino dervatives useful as nitric oxide synthase inhibitors
    Patent number: 5854234
    Abstract: The current invention discloses useful pharmaceutical compositions containing azepine derivatives useful as nitric oxide synthase inhibitors.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: December 29, 1998
    Assignee: G. D. Searle & Co.
    Inventors: Donald W. Hansen, Jr., Mark G. Currie, E. Ann Hallinan, Kam F. Fok, Timothy J. Hagen, Arija A. Bergmanis, Steven W. Kramer, Len F. Lee, Suzanne Metz, William M. Moore, Karen B. Peterson, Barnett S. Pitzele, Dale P. Spangler, R. Keith Webber, Mihaly V. Toth, Mahima Trivedi, Foe S. Tjoeng
  • Amidino derivatives useful as nitric oxide synthase inhibitors
    Patent number: 5821267
    Abstract: The current invention discloses amidino derivatives useful as nitric oxide synthase inhibitors.
    Type: Grant
    Filed: March 20, 1996
    Date of Patent: October 13, 1998
    Assignee: G.D. Searle & Co.
    Inventors: Kam F. Fok, Foe S. Tjoeng, R. Keith Webber