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:
Apr. 03, 2001
Filed:
Nov. 15, 1999
Applicant:
Inventors:
Thomas L. Siddall, Zionsville, IN (US);
Karl L. Krumel, Midland, MI (US);
Mark V. M. Emonds, Midland, MI (US);
Jennifer M. Schomaker, Midland, MI (US);
Mark W. Zettler, Carmel, IN (US);
Assignee:
Dow AgroSciences LLC, Indianapolis, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
C07C / ;
Abstract
1-Halo-2-chloro-3-alkoxy-4-alkylsulfonylbenzene and 1-halo-2,3-dichloro-4-alkylsulfonylbenzene compounds were converted to compounds having hydroxycarbonyl or alkoxycarbonyl substituents in place of the 1-halo substituent by reaction with carbon monoxide and water or an alcohol respectively, in the presence of a palladium II salt: trihydrocarbylphosphine complex type catalyst.