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:
Nov. 16, 1982
Filed:
Feb. 12, 1981
Applicant:
Inventor:
Charles P Grasso, East Windsor, NJ (US);
Assignee:
American Cyanamid Company, , US;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549 79 ; 560-8 ;
Abstract
The invention is an improved process for the preparation of lower alkyl esters of tetrahydrothiophenium carboxymethylide intermediates of insecticidal pyrethroids, and to insecticidal prethroids derived from said ylides.
Grasso, Charles. (1982). Process for the preparation of sulfur ylide intermediates of (U.S. Patent No. 4359580). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4359580
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile