Patents by Inventor Edward A. Barsumian

Edward A. 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).

  • Substituted phenylalkyl-(piperazinyl or homopiperazinyl)alkyl thiols and thiocarbamates useful for the treatment of immunological, inflammatory, and allergic disorders
    Patent number: 4722926
    Abstract: Compounds of the formula ##STR1## wherein R is hydrogen or ##STR2## A is alkyl of 1 to 8 carbon atoms; cycloalkyl of 3 to 7 carbon atoms; phenyl; or phenyl mono-, di- or tri-substituted independently with alkyl of 1 to 4 carbon atoms, halogen, trihalomethyl, alkoxy of 1 to 3 carbon atoms, carboxylic acyl of 1 to 3 carbon atoms, carboxyl, (alkoxy of 1 to 3 carbon atoms)carbonyl, nitro, cyano or di(alkyl of 1 to 3 carbon atoms)amino;R.sub.1, R.sub.2 and R.sub.3, are independently hydrogen, halogen, alkyl of 1 to 4 carbon atoms, trihalomethyl, nitro, cyano, di(alkyl of 1 to 4 carbon atoms)amino, (alkoxy of 1 to 4 carbon atoms)carbonyl, alkoxy of 1 to 4 carbon atoms or hydroxyl;R.sub.4 and R.sub.5 are independently hydrogen, alkyl of 1 to 4 carbon atoms, or phenyl;R.sub.6, R.sub.7, R.sub.8 and R.sub.9 are independently hydrogen or methyl;Y is --CH.sub.2 -- or --CH.sub.2 --CH.sub.
    Type: Grant
    Filed: July 23, 1986
    Date of Patent: February 2, 1988
    Assignee: Boehringer Ingelheim Limited
    Inventors: Karl D. Hargrave, John P. Devlin, Edward A. Barsumian
  • Substituted phenylalkyl-(piperazinyl or homopiperazinyl)alkyl-thiols and -thiocarbamates useful for the treatment of immunological, inflammatory, and allergic disorders
    Patent number: 4618677
    Abstract: Compounds of the formula ##STR1## wherein R is hydrogen or ##STR2## A is alkyl of 1 to 8 carbon atoms; cycloalkyl of 3 to 7 carbon atoms; phenyl; or phenyl mono-, di- or tri-substituted independently with alkyl of 1 to 4 carbon atoms, halogen, trihalomethyl, alkoxy of 1 to 3 carbon atoms, carboxylic acyl of 1 to 3 carbon atoms, carboxyl, (alkoxy of 1 to 3 carbon atoms)carbonyl, nitro, cyano or di(alkyl of 1 to 3 carbon atoms)amino;R.sub.1, R.sub.2 and R.sub.3, are independently hydrogen, halogen, alkyl of 1 to 4 carbon atoms, trihalomethyl, nitro, cyano, di(alkyl of 1 to 4 carbon atoms)amino, (alkoxy of 1 to 4 carbon atoms)carbonyl, alkoxy of 1 to 4 carbon atoms or hydroxyl;R.sub.4 and R.sub.5 are independently hydrogen, alkyl of 1 to 4 carbon atoms, or phenyl;R.sub.6, R.sub.7, R.sub.8 and R.sub.9 are independently hydrogen or methyl;Y is --CH.sub.2 -- or --CH.sub.2 --CH.sub.
    Type: Grant
    Filed: November 5, 1984
    Date of Patent: October 21, 1986
    Assignee: Boehringer Ingelheim Limited
    Inventors: Karl D. Hargrave, John P. Devlin, Edward A. Barsumian