The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 15, 1993
Filed:
Sep. 15, 1989
Giulio Galliani, Monza, IT;
Fernando Barzaghi, Monza, IT;
Carla Bonetti, Fontanella, IT;
Emilio Toja, Milano, IT;
Roussel UCLAF, Paris, FR;
Abstract
Compounds useful in the treatment of Alzheimer's disease, senile dimentia and memory disorders of the formula ##STR1## in which R represents hydrogen, hydroxyl, a linear, branched or cyclic, saturated or unsaturated, alkyl, containing up to 8 carbon atoms, possibly substituted by free or esterified carboxy or R represents aralkyl containing up to 10 carbon atoms or --COOZ in which Z represents a linear, branched or cyclic saturated or unsaturated, alkyl containing up to 8 carbon atoms and R.sub.2 represents hydrogen or a linear or branched, saturated or unsaturated alkyl containing up to 8 carbon atoms, COalk.sub.1 radical or (CH.sub.2).sub.2 N(alk.sub.2).sub.2, alk.sub.1 and alk.sub.2 representing an alkyl containing up to 8 carbon atoms, as well as their addition salts with acids provided that if R represents an alkyl R.sub.2 does not represent hydrogen; also therapeutic compositions containing at least one said compound and method of treating patients with said compounds.