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:
Jan. 15, 2002
Filed:
May. 03, 2000
Process for the preparation of chiral nicotinic, quinolinic or benzoic acid imidazolinone herbicides
Applicant:
Inventors:
Peter John Wepplo, Princeton, NJ (US);
Thomas Walter Drabb, Trenton, NJ (US);
Assignee:
American Cyanamid Co., Madison, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
C07D / ; C07D / ;
Abstract
There is provided a stereospecific process for the preparation of essentially enantiomerically pure imidazolinone herbicides having the R-configuration via (R)2-amino-2,3-dimethylbutyronitrile.