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:
Oct. 02, 2001
Filed:
Jun. 21, 2000
Applicant:
Inventors:
Martin Jochen Klatt, Bad Dürkheim, DE;
Thomas Müller, Dirmstein, DE;
Bernhard Bockstiegel, Römerberg, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 4/532 ;
U.S. Cl.
CPC ...
C07C 4/532 ;
Abstract
The present invention relates to a process for preparing 3,5,5-trimethylcyclohex-2-ene-1,4-dione (oxoisophorone; OIP) by oxidation of 3,5,5-trimethylcyclohex-3-en-1-one (&bgr;-isophorone, &bgr;-IP) with molecular oxygen in the presence of a solvent, of a base and of a transition metal salen derivative as catalyst and of an additive.
Klatt, Martin. (2001). Process for preparing oxoisophorone using additives (U.S. Patent No. 6297404). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6297404
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile