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:
Jul. 25, 1995
Filed:
Sep. 12, 1994
Gunther Kohler, Marl, DE;
Huels Aktiengesellschaft, Marl, DE;
Abstract
A method is provided for the preparation of a pimelic ester of the formula: ##STR1## wherein R.sup.1 and R.sup.2 may be identical or different, and are linear or branched saturated alkyl substituents having from 1 to 10 carbons or araliphatic radicals having 7 to 10 carbon atoms; R.sup.3 is H or a hydrocarbon radical of one to six carbon atoms, and n is an integer of from 0 to 3; wherein the method entails: reacting a salt, formed from reaction of a 2-oxocyclohexanecarboxylic ester with a strong base, with an alcohol at a temperature of 50.degree.-250.degree. C., to cause ring opening.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile