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:
Feb. 11, 1992
Filed:
Jul. 30, 1990
Applicant:
Inventor:
Lowell R Smith, Kirkwood, MO (US);
Assignee:
Monsanto Company, St. Louis, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
562 17 ;
Abstract
N-Phosphonomethylglycine can be purified and concentrated from aqueous solutions containing N-phosphonomethylglycine and impurities, such as N-formyl-N-phosphonomethylglycine, phosphorous acid, and the like, by passing the aqueous solution through an ion exchange column containing a weakly basic ion exchange resin to remove such impurities.
Smith, Lowell. (1992). Process for purifying n-phosphonomethylglycine (U.S. Patent No. 5087740). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5087740
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile