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:
Jun. 01, 1976
Filed:
Feb. 19, 1974
Applicant:
Inventors:
Heinrich Pasedach, Ludwigshafen, DT;
Albrecht Friederang, Mannheim, DT;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen (Rhine), DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2606 / ;
Abstract
Manufacture of piperitenone by mixing excess mesityl oxide with 10 to 70% by weight aqueous potassium hydroxide solution, heating the mixture to a temperature of between 20.degree.C and the boiling point and introducing the methyl vinyl ketone into the heated mixture. d,1-methol is obtained directly, or via a mixture of methone and isomenthone, from the piperitenone which is obtained in good yield.
Pasedach, Heinrich. (1976). Manufacture of d,l-methol (U.S. Patent No. 3960970). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3960970
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile