Patents by Inventor Vasil St. Georgiev

Vasil St. Georgiev 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).

  • Process for treatment of allergic conditions with benzoxazinediones
    Patent number: 4307091
    Abstract: Therapeutic compositions containing as active principle, a benzoxazindione or pharmaceutically-acceptable acid addition salt thereof are useful in the treatment of allergy.
    Type: Grant
    Filed: May 12, 1980
    Date of Patent: December 22, 1981
    Assignee: USV Pharmaceutical Corporation
    Inventors: Richard E. Brown, Vasil St. Georgiev, Bernard Loev, Robert Mack
  • Esters of benzoxa(thia)zole-2-carboxylic acids
    Patent number: 4298742
    Abstract: New benzoxazole-2-carboxylic acid esters are described. These compounds are useful as anti-allergic reagents.
    Type: Grant
    Filed: May 12, 1980
    Date of Patent: November 3, 1981
    Assignee: USV Pharmaceutical Corporation
    Inventors: Richard E. Brown, Vasil St. Georgiev, Bernard Loev
  • Triazolobenzoxazin-4-ones
    Patent number: 4276292
    Abstract: New triazolobenzoxazinones are described as well as the use thereof as anti-allergenic agents.
    Type: Grant
    Filed: May 12, 1980
    Date of Patent: June 30, 1981
    Assignee: USV Pharmaceutical Corporation
    Inventors: Vasil St. Georgiev, Bernard Loev, Robert Mack, John Musser