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:
Dec. 04, 1984
Filed:
Oct. 19, 1982
Applicant:
Inventors:
William A Van Saun, Titusville, NJ (US);
David M Roush, West Trenton, NJ (US);
Assignee:
FMC Corporation, Philadelphia, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
544172 ; 544 581 ; 546238 ; 546239 ; 548400 ;
Abstract
Precursors to benzyl compounds, useful in the manufacture of pyrethroid insecticides, are prepared by regiospecific addition of an enamine to a heterocyclic diene accompanied by elimination of volatile by-products.