Patents by Inventor Lester Zitowitz

Lester Zitowitz 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).

  • Benzenesulfonyl urea compounds and their therapeutic use
    Patent number: 4016291
    Abstract: This application is directed to novel sulfonyl urea compounds, their non-toxic pharmaceutically acceptable salts, and to processes for making and using said compound. Exemplary of the sulfonyl ureas of this invention is N-(aralkyl)-N'-(p-benzenesulfonyl)urea.
    Type: Grant
    Filed: March 15, 1976
    Date of Patent: April 5, 1977
    Assignee: Schering Corporation
    Inventors: Lester Zitowitz, Lewis A. Walter, Arnold J. Wohl
  • Method for treating angina pectoris with certain N-arylsulfonyl-N'(aza-3-bicycloalkyl) ureas
    Patent number: 3983249
    Abstract: This application is directed to certain novel sulfonyl urea compounds, to their use as antianginal agents, and to the use of certain prior art sulfonyl ureas as antianginal agents. The sulfonyl ureas are characterized in that they are N-arylsulfonyl-N'-methyl-N'(aza-3-bicycloalkyl) ureas and N-arylsulfonyl-N'-(aza-3-bicycloalkyl) ureas.
    Type: Grant
    Filed: December 26, 1974
    Date of Patent: September 28, 1976
    Assignee: Science Union et Cie Societe Francaise de Recherche Medical
    Inventors: Stewart J. Ehrreich, Lester Zitowitz