Patents by Inventor Antonio Schiavone

Antonio Schiavone 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).

  • R(-)3-quinuclidinol derivatives
    Patent number: 5164386
    Abstract: Pharmacologically active R(-) 3-quinuclidinol derivatives are described which are muscarinic receptor blocking agents useful for the treatment of gastrointestinal and respiratory tract disorders of the following formula (I) ##STR1## wherein R represents a linear or branched lower alkyl group, a cycloalkyl-C.sub.1-2 alkyl or an aralkyl group, or it is absent;X represents the anion of an organic or inorganic acid, or it is absent, when R is absent;R.sub.1 represents H, a linear or branched lower alkyl group or an acyl group of the type R.sub.2 --CO, in which R.sub.
    Type: Grant
    Filed: June 20, 1990
    Date of Patent: November 17, 1992
    Assignee: Istituto de Angeli S.p.A.
    Inventors: Enzo Cereda, Giuseppe Bietti, Giovanni B. Schiavi, Arturo Donetti, Antonio Schiavone, Henri N. Doods