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. 19, 1999
Filed:
Dec. 23, 1997
Applicant:
Inventors:
Patrick J Lennon, Webster Grove, MO (US);
Sergey G Vulfson, Chesterfield, MO (US);
Assignee:
Monsanto Company, St. Louis, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ; C07F / ;
U.S. Cl.
CPC ...
558 87 ; 423302 ; 558145 ; 558166 ; 558167 ; 562 16 ;
Abstract
A process for preparing cyanophosphonate derivatives involves contacting a phosphate ester and cyanide in a reaction mixture under conditions sufficient to produce a cyanophosphonate derivative. That cyanophosphonate derivative product can subsequently be hydrogenated to produce an aminomethylphosphonate derivative.