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. 26, 1991
Filed:
Mar. 26, 1990
Applicant:
Inventors:
William H Miller, Glendale, MO (US);
Terry M Balthazor, University City, MO (US);
Assignee:
Monsanto Company, St. Louis, MO (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
502 17 ; 585678 ;
Abstract
There is disclosed a process for producing the alkali metal salts of N-phosphonomethylglycine which comprises heating to an elevated temperature an aqueous solution of a di- or tri-alkali metal salt of N-alkyl-N-phosphonomethylglycine. The N-alkyl substituent contains at least one hydrogen on the beta carbon atom.