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. 20, 2004
Filed:
Jun. 20, 2002
Applicant:
Inventors:
David M. Mayes, Overland Park, KS (US);
Vijay C. Desai, Shawnee, KS (US);
Eric Rivadeneira, Overland Park, KS (US);
Assignee:
Bayer Cropscience LP, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
C07C / ;
Abstract
Processes for preparing &agr;-substituted benzylnitroguanidines include the steps of providing a reaction mixture comprising water, alcohol, an S-alkyl nitroisothiourea, and an &agr;-substituted benzylamine; heating the reaction mixture; steam distilling the alcohol from the reaction mixture; and isolating an &agr;-substituted benzylnitroguanidine from the remaining water layer.