Patents by Inventor Edward L. Barsumian

Edward L. Barsumian 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).

  • Bis(piperazinyl or homopiperazinyl)alkanes
    Patent number: 4725597
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, and R.sub.6 are independently hydrogen, alkyl of 1 to 4 carbon atoms, hydroxyl, alkoxy of 1 to 4 carbon atoms, alkanoyloxy of 1 to 4 carbon atoms, halogen, trihalomethyl, di(lower alkyl of 1 to 4 carbon atoms)amino, (alkoxy of 1 to 4 carbon atoms)carbonyl, nitro, cyano or alkanoyl of 1 to 3 carbon atoms;R.sub.7 and R.sub.8 are independently hydrogen, methyl, hydroxyl, carboxyl, (alkoxy of 1 to 4 carbon atoms)carbonyl, hydroxymethyl, phenyl, or p-chlorophenyl;R.sub.9 and R.sub.10 are independently hydrogen or methyl;j and k are independently 0, 1, 2, or 3, their sum being no more than 4;m and n are independently 0, 1, 2, or 3, their sum being no more than 4;A is --CH.sub.2 -- or --CH.sub.2 --CH.sub.2 --;R.sub.7 and R.sub.9 together are oxo, provided k is other than o;R.sub.8 and R.sub.10 together are oxo, provided m is other than o;R.sub.11 and R.sub.
    Type: Grant
    Filed: September 24, 1984
    Date of Patent: February 16, 1988
    Assignee: Boehringer Ingelheim Ltd.
    Inventors: John P. Devlin, Daniel W. McNeil, James J. Keirns, Edward L. Barsumian
  • Substituted phenylalkylhomopiperazinylpropyl(ureas or thioureas) useful for treatment of immulogical, inflammatory and allergic disorders
    Patent number: 4661481
    Abstract: Compounds of the formula ##STR1## having activity as antihistamine or inhibitors of mediator release from basophils or mast cells.
    Type: Grant
    Filed: December 4, 1985
    Date of Patent: April 28, 1987
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc
    Inventors: John P. Devlin, Karl D. Hargrave, Edward L. Barsumian, Genus J. Possanza
  • Substituted phenylalkylpiperazinylpropyl (ureas or thioureas) useful for treatment of immunological, inflammatory and allergic disorder
    Patent number: 4579947
    Abstract: Compounds of the formula ##STR1## having activity as antihistamine or inhibitors of mediator release from basophils or mast cells.
    Type: Grant
    Filed: May 29, 1984
    Date of Patent: April 1, 1986
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: John P. Devlin, Karl D. Hargrave, Edward L. Barsumian, Genus J. Possanza