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. 04, 1977
Filed:
Jan. 16, 1976
Applicant:
Inventors:
Assignee:
Stamicarbon B.V., Geleen, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2605 / ;
Abstract
2-(1-CYCLOHEXYL)-CYCLOHEXANONE IS PREPARED BY CONDENSATION OF CYCLOHEXANONE USING A MACRO-POROUS ION EXCHANGE RESIN SUCH AS Lewatite SPC 118 W or equivalent at temperatures not exceeding 125.degree. C., provided that the conversion reaction is maintained below 50%, preferably below 35%. The reaction mixture is distilled at atmospheric pressure in the absence of the ion exchange resin and the desired product is recovered in substantially high yields generally greater than 95%.
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Klein, Joseph. (1977). Process for preparing 2-(1-cyclohexenyl)-cyclohexanone (U.S. Patent No. 4052458). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4052458
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile