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:
Apr. 27, 2010
Filed:
Apr. 25, 2006
Applicants:
Sunder S. Rangachari, Ballwin, MO (US);
Todd C. Friedman, Imperial, MO (US);
Sherrol Lee Baysdon, Lonedell, MO (US);
David Z. Becher, St. Louis, MO (US);
Inventors:
Sunder S. Rangachari, Ballwin, MO (US);
Todd C. Friedman, Imperial, MO (US);
Sherrol Lee Baysdon, Lonedell, MO (US);
David Z. Becher, St. Louis, MO (US);
Assignee:
Monsanto Technology LLC, St. Louis, MO (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F 9/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
Improved processes for preparing and crystallizing N-(phosphonomethyl)iminodiacetic acid are provided. The processes include adding N-(phosphonomethyl)iminodiacetic acid seed crystals to N-(phosphonomethyl)iminodiacetic acid reaction solutions. Provided are beds of crystallized N-(phosphonomethyl)iminodiacetic acid having improved permeability and filtration rate and reduced impurities.