Patents by Inventor Orenzo Agostini

Orenzo Agostini 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).

  • 1-7 disubstituted xanthine derivatives having antiasthmatic activity, their physiologically acceptable salts, pharmaceutical compositions containing them and process for their preparation
    Patent number: 5314890
    Abstract: Xanthine derivatives having antiasthmatic activity are disclosed which have the following formula: ##STR1## where R is a linear or branched alkyl chain group of from one to six carbon atoms, R.sub.1 is a linear or branched alkyl or hydroxyalkyl group of from one to six carbon atoms. However, if R is methyl, then R.sub.1 is not methyl, ethyl or propyl; if R is ethyl, then R.sub.1 is not methyl or ethyl; and if R is methyl or n-butyl, then R.sub.1 is not 2-hydroxypropyl. Also disclosed are pharmaceutical compositions containing such xanthine derivatives.
    Type: Grant
    Filed: November 17, 1992
    Date of Patent: May 24, 1994
    Assignee: Malesci Istituto Farmacobiologico S.p.A.
    Inventors: Orenzo Agostini, Carla Bacciarelli, Graziano Bonacchi, Mauro Fedi, Stefano Manzini