Patents by Inventor Sergio De Vercelli

Sergio De Vercelli 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).

  • Theophyllinemethyldithiolan and theophyllinemethyldithianyl derivatives having antibronchospastic antitussive and mucolytic activity
    Patent number: 4868186
    Abstract: New derivatives of theophylline are described, which have the general formula: ##STR1## in which R is selected from the group consisting of 2'-(1'-oxy-1', 3'-dithiolanyl), 2'-(1', 3'-dithiolanyl) and 2'-(1',3'-dithianyl), possibly substituted in position 4'. The derivatives have high antibronchospastic, antitussive and mucolytic activities.
    Type: Grant
    Filed: December 24, 1987
    Date of Patent: September 19, 1989
    Assignee: Istituto Biologico Chemioterapico ABC S.p.A.
    Inventors: Jose S. Franzone, Sergio De Vercelli