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:
May. 11, 1993
Filed:
Jul. 09, 1992
Applicant:
Inventors:
Fausto Calderazzo, Ghezzano, IT;
Guido Pampaloni, Pontedera, IT;
Francesco Masi, San Donato Milanese, IT;
Angelo Moalli, Castelletto Ticino, IT;
Maria C Cassani, Bologna, IT;
Renzo Invernizzi, Milan, IT;
Assignee:
ECP Enichem Polimeri S.r.l., Milan, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F / ; C07F / ;
U.S. Cl.
CPC ...
556 43 ;
Abstract
A procedure is described for the preparation of a vanadium bis-arene, [V(arene).sub.2 ], starting from vanadium oxychloride, aluminium metal, aluminium trichloride and an arene, wherein: