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. 28, 1982
Filed:
Jul. 01, 1980
Applicant:
Inventors:
Marco Foa, Novara, IT;
Alessandro Moro, Pernate, IT;
Andrea Gardano, Trino Vercellese, IT;
Luigi Cassar, Novara, IT;
Assignee:
Montedison S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562406 ; 2604 / ;
Abstract
Phenyl pyruvic acid and substituted derivatives thereof are synthesized by catalytic carbonylation of a benzyl halide in the presence of a catalytic system based on carbonyl complexes of cobalt or precursors thereof.
Foa, Marco. (1982). Process for preparing phenyl pyruvic acids (U.S. Patent No. 4351952). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4351952
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile