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:
Sep. 05, 1989
Filed:
Apr. 08, 1986
Ettore Perrone, Milan, IT;
Marco Alpegiani, Milan, IT;
Angelo Bedeschi, Milan, IT;
Franco Zarini, Settimo Milanese, IT;
Giovanni Franceschi, Milan, IT;
Costantino D Bruna, Rho, IT;
Farmitalia Carlo Erba, Milan, IT;
Abstract
Compounds of formula ##STR1## wherein R is hydrogen atom or C.sub.1 -C.sub.4 alkyl group optionally substituted from halogen atom or hydroxy group optionally protected, A is a Z, Z--O--C--O-- or Z--C)-- residue, wherein Z is phenylene, naphthylene, heterocyclediyl, C.sub.1 -C.sub.7 alkylene, C.sub.2 -C.sub.4 alkenylene, alkynylene, ##STR2## C.sub.3 -C.sub.8 cycloalkylene, aralkylene radical optionally substituted, and O.sup.(+) represents a group +NR.sub.1 R.sub.2 R.sub.3, wherein R.sub.1, R.sub.2 and R.sub.3 are each either: