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. 15, 1994
Filed:
Dec. 02, 1993
Applicant:
Inventors:
Marco P Burello, Cleveland, OH (US);
Jeffrey G Stack, Painesville, OH (US);
David A Cortes, Fairless Hills, PA (US);
Assignee:
American Cyanamid Company, Wayne, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564416 ; 568306 ;
Abstract
There is provided o-nitrophenyl cyclopropyl ketone, a key intermediate in the manufacture of the crop-selective, herbicidal agent 1-{[o-(cyclopropylcarbonyl)phenyl]sulfamoyl}-3-(4,6-dimethoxy-2-pyrimidiny l)urea and a method for the preparation of said ketone from dihydro-3-acetyl-2(3H)-furanone and o-nitrobenzoyl halide.