Patents by Inventor Ernest Cullen

Ernest Cullen 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).

  • Pyridobenzo- and pyridiothieno-diazepines useful for the treatment of HIV infection
    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
  • Pyridobenzo-and pyridiothieno-diazepines useful for the treatment of HIV infection
    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
  • Dipyrido[3,2-B:2 ',3'-E][1,4]Diaqzepines and their use in the treatment of HIV infection
    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
  • 2,6-Diamino-benzo[1,2-d:5,4-d']bisthiazoles and salts thereof
    Patent number: 4344946
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 and R.sub.1 ', which may be identical to or different from each other, are each hydrogen or alkyl of 1 to 2 carbon atoms;R.sub.2 and R.sub.2 ', which may be identical to or different from each other, are each hydrogen or ##STR2## but other than both hydrogen at the same time, where A is alkylene of 1 to 2 carbon atoms,R.sub.5 is hydrogen, lower alkyl, lower alkylamino-lower alkyl, lower alkoxy-lower alkyl, hydroxycarbonyl-lower alkyl, cycloalkyl of 5 to 8 carbon atoms, lower alkyl-cycloalkyl of 5 to 8 carbon atoms, phenyl or morpholino;R.sub.6 is hydrogen, lower alkyl, lower alkylamino-lower alkyl or lower alkoxy-lower alkyl; orR.sub.5 and R.sub.
    Type: Grant
    Filed: August 28, 1980
    Date of Patent: August 17, 1982
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Ernest Cullen, Genus Possanza, Patrick B. Stewart
  • 3,6-Bis-(heterocyclic aminoacyl-amino)-acridines and salts thereof
    Patent number: 4021551
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen or methyl,R.sub.2 and R.sub.3, together with each other and the nitrogen atom to which they are attached, form a saturated or unsaturated heterocyclic ring system which may optionally contain one or more additional heteroatoms, andA is lower alkylene or aryl-lower alkylene, and nontoxic, pharmacologically acceptable acid addition salts thereof; the compounds as well as their salts are useful as inducers of the formation of interferon.
    Type: Grant
    Filed: July 30, 1975
    Date of Patent: May 3, 1977
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Ernest Cullen, Peter Meindl, Hans Tuppy, Gerhard Bodo