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:
Sep. 20, 1983
Filed:
Jul. 27, 1981
Applicant:
Inventors:
Thomas J Giacobbe, Skillman, NJ (US);
Grace Tsien, Colonia, NJ (US);
Assignee:
Rhone-Poulenc, Inc., Monmouth Junction, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560 21 ;
Abstract
Crude phenoxybenzoic acid herbicide, e.g., acifluorfen, having one or more undesirable isomers/by-product impurities associated therewith is separated therefrom employing an inert solvent which is selective for the isomers/other by-products.