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:
Aug. 14, 1979
Filed:
Oct. 17, 1977
Applicant:
Inventors:
Michel Costantini, Lyons, FR;
Michel Jouffret, Francheville Le Bas, FR;
Assignee:
Rhone-Poulenc Industries, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2605 / ;
Abstract
4-Hydroxy-2,4,6-trimethyl-cyclohexa-2,5-dien-1-one ['mesitylquinol'] is prepared by oxidizing 2,4,6-trimethyl phenol ['mesitol'] with either molecular oxygen or an oxygen containing gas, in the simultaneous presence of (i) a cobalt/Schiff base complex, (ii) an amine, phosphine and/or organic phosphite co-catalyst, and, optionally, (iii) an alkali metal base.