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:
Oct. 03, 1978
Filed:
Aug. 12, 1976
Giorgio Pifferi, Milan, IT;
Mario Pinza, Corsico (Milan), IT;
I.S.F. S.p.A., Milan, IT;
Abstract
Pyrrolidin-2-one derivatives of the formula: ##STR1## wherein R represents hydrogen, an acyl radical containing from 2 to 7 carbon atoms, a saturated or unsaturated alkyl, containing from 1 to 6 carbon atoms, aralkyl, cycloalkyl or aromatic, R.sub.1 and R.sub.2 may be the same or different and represent hydrogen, a saturated or unsaturated alkyl radical, containing from 1 to 3 carbon atoms, cycloalkyl radical or R.sub.1 and R.sub.2, together with the adjacent nitrogen atom, may form an heterocyclic ring optionally containing an additional heteroatom selected from the group consisting of oxygen and nitrogen, n represents an integer from 0 to 2 inclusive, and the process for their preparation are described.