Patents by Inventor Gilbert Harvey Berezin

Gilbert Harvey Berezin 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).

  • Antihypertensive hexafluorohydroxyisopropyl benzazepines and benzazocines
    Patent number: 4107303
    Abstract: Hexafluorohydroxyisopropyl: -tetrahydroquinolines, -benzazepines, and -benzazocines, such as 2,3,4,5-tetrahydro-1-(1-oxopropyl)-.alpha.,.alpha.-bis(trifluoromethyl)-1H -1-benzazepine-7-methanol useful as antihypertensives.
    Type: Grant
    Filed: June 24, 1976
    Date of Patent: August 15, 1978
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Paul Edward Aldrich, Gilbert Harvey Berezin
  • 1-Tertiary-alkyl-3-(substituted thienyl)ureas and 1-tertiary-alkyl-3-(substituted thietyl)ureas as antihypertensive agents
    Patent number: 4070479
    Abstract: This invention relates to a class of 1-tertiary-alkyl-3-(substituted thienyl)ureas and 1-tertiary-alkyl-3-(substituted thietyl)ureas that exhibit antihypertensive activity in warm-blooded animals. Representative compounds are 1-tert-butyl-3-(4,5-dihydro-3-thienyl)urea S,S-dioxide and 1-tert-butyl-3-(3-thietyl)urea S,S-dioxide.
    Type: Grant
    Filed: November 18, 1976
    Date of Patent: January 24, 1978
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Paul Edward Aldrich, Gilbert Harvey Berezin, Bruce Ivor Dittmar
  • 1-Tertiary-alkyl-3-(substituted thienyl)ureas and 1-tertiary-alkyl-3-(substituted thietyl)ureas as antihypertensive agents
    Patent number: 4009847
    Abstract: This invention relates to a class of 1-tertiary-alkyl-3-(substituted thienyl)ureas and 1-tertiary-alkyl-3-(substituted thietyl)ureas that exhibit antihypertensive activity in warm-blooded animals. Representative compounds are 1-tert-butyl-3-(4,5-dihydro-3-thienyl)urea S,S-dioxide and 1-tert-butyl-3-(3-thiethyl)urea S,S-dioxide.
    Type: Grant
    Filed: March 11, 1975
    Date of Patent: March 1, 1977
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Paul Edward Aldrich, Gilbert Harvey Berezin, Bruce Ivor Dittmar