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. 08, 1992
Filed:
Mar. 19, 1991
Applicant:
Inventors:
Andrea Gardano, Vercelli, IT;
Alfredo Coassolo, Novara, IT;
Francesco Casagrande, San Nazzaro Sesia, IT;
Marco Foa, Novara, IT;
Larry L Chapoy, Novara, IT;
Assignee:
Himont italia S.r.l., Milan, IT;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568743 ; 568719 ; 568731 ; 568734 ;
Abstract
A process for the synthesis of phenyl substituted aromatic diols, obtained by dehydrogenation of the corresponding substituted cyclohexyl derivatives in the presence of a palladium supported catalyst, said palladium supported catalyst being prepared by a process which comprises treating a palladium hydrolysis compound with reducing agents.