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. 18, 1997
Filed:
Dec. 17, 1996
Applicant:
Inventors:
Sherrol Lee Baysdon, Pacific, MO (US);
David Lee Taxter, St. Louis County, MO (US);
Assignee:
Monsanto Company, St. Louis, MO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
562 17 ;
Abstract
A process for the preparation of N-phosphonomethyliminodiacetic acid is disclosed. The process comprises simultaneously infusing into a reaction mixture water, a source of iminodiacetic acid, a source of formaldehyde, and a source of phosphorous acid and strong acid.