Patents by Inventor John R. Proudfoot

John R. Proudfoot 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).

  • Patent number: 5747488
    Abstract: Disclosed are novel 2-aryl-5,11-dihydro-6H-dipyrido?3,2-b:2',3'-e!?1,4!diazepines. These are useful in the of HIV infection. Exemplary compounds are:8-Ethyl-1-methyl-10-(4-pyrazolyl)imidazo?2',3':6,5!dipyrido?3,2-b:2',3'-e!? 1,4!diazepine;8-c-Propyl-1-methyl-10-(4-pyrazolyl)imidazo?2',3':6,5!dipyrido?3,2-b:2',3'- e!?1,4!diazepine;8-Ethyl-12-methyl-10-(4-pyrazolyl)imidazo?2',3':6,5!dipyrido?3,2-b:2',3'-e! ?1,4!diazepine; and,8-c-Propyl-12-methyl-10-(4-pyrazolyl)imidazo?2',3':6,5!dipyrido?3,2-b:2',3 '-e!?1,4!diazepine.
    Type: Grant
    Filed: December 18, 1996
    Date of Patent: May 5, 1998
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Karl D. Hargrave, John R. Proudfoot
  • Patent number: 5620974
    Abstract: Disclosed are novel 5,11-dihydro-6H-dipyrido[3,2-b; 2',3'-e][1,4]diazepines. These are useful in the prevention or treatment of HIV infection.
    Type: Grant
    Filed: July 22, 1994
    Date of Patent: April 15, 1997
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Karl D. Hargrave, John R. Proudfoot, Julian Adams, Karl G. Grozinger, Gunther Schmidt, deceased, Wolfhard Engel, Gunther Trummlitz, Wolfgang Eberlein
  • Patent number: 5602113
    Abstract: Disclosed are novel pyrido[2,3,-b][1,5]benzodiazepines. These compounds are useful in the treatment of AIDS, ARC and related disorders associated with HIV infection.
    Type: Grant
    Filed: December 29, 1994
    Date of Patent: February 11, 1997
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Karl D. Hargrave, Ernest Cullen, John R. Proudfoot, Karl G. Grozinger, Kollol Pal, Julian Adams
  • Patent number: 5593979
    Abstract: Disclosed are novel pyrido[2,3-b][1,4]benzodiazepines. These compounds are useful in the treatment of AIDS, ARC and related disorders associated with HIV infection.
    Type: Grant
    Filed: December 29, 1994
    Date of Patent: January 14, 1997
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Karl D. Hargrave, Ernest Cullen, John R. Proudfoot, Karl G. Grozinger, Kollol Pal, Julian Adams
  • Patent number: 5550117
    Abstract: Disclosed are novel dipyrido[3,2-b:2',3'-e][1,4]diazepines and their use in the treatment of HIV-1 infection.
    Type: Grant
    Filed: December 29, 1994
    Date of Patent: August 27, 1996
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Karl D. Hargrave, Ernest Cullen, John R. Proudfoot, Karl G. Grozinger, Kollol Pal, Julian Adams
  • Patent number: 5366972
    Abstract: Disclosed are novel 5,11-dihydro-6H-dipyrido[3,2-b; 2',3'-e][1,4]diazepines. These are useful in the prevention or treatment of HIV infection.
    Type: Grant
    Filed: July 13, 1993
    Date of Patent: November 22, 1994
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Karl D. Hargrave, John R. Proudfoot, Julian Adams, Karl G. Grozinger, Gunther Schmidt, deceased, Wolfhard Engel, Gunther Trummlitz, Wolfgang Eberlein