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:
Feb. 04, 1986
Filed:
Dec. 29, 1983
Applicant:
Inventors:
Assignees:
Indian Explosives Limited, West Bengal, IN;
The Alkali and Chemical Corporation of India, West Bengal, IN;
Chemicals and Fibres of India Limited, Maharashtra, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549302 ;
Abstract
The optically active .gamma.-lactone of (1R, cis)-2, 2-dimethyl-3-hydroxymethyl-cyclopropane-1-carboxylic acid, which is useful as an intermediate in the production of pyrethroid insecticides, may be made from optically active (-)car-3-en-5-one by a two stage oxidation process followed by hydrolysis of the intermediate obtained.
Mandal, Arun. (1986). Process for the manufacture of optically active .gamma.-lactone of (1r, (U.S. Patent No. 4568758). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4568758
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile