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. 09, 1986
Filed:
Jun. 25, 1984
Applicant:
Inventors:
Jawad H Murib, Cincinnati, OH (US);
John H Kahn, Wyoming, OH (US);
Assignee:
National Distillers and Chemical Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549326 ;
Abstract
A process for preparing gamma-caprolactone comprising isomerizing epsilon-caprolactone in an aqueous medium in the presence of catalytically effective amounts of hydriodic acid or hydrobromic acid wherein the catalyst is optionally promoted with a Group VIII metal. The temperature for the reaction is in the range of about 175.degree. C. to about 250.degree. C. and the ratio of water to epsilon-caprolactone is at least about 1:1.
Murib, Jawad. (1986). Process for preparing gamma-caprolactone by isomerization of (U.S. Patent No. 4611069). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4611069
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile