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:
Jun. 11, 1991
Filed:
Jun. 25, 1990
Donald L Fields, Jr, Manchester, MO (US);
Monsanto Company, St. Louis, MO (US);
Abstract
A process is provided to produce N-phosphonomethylglycine by the oxidation of N-phosphonomethyliminodiacetic acid to form an intermediate N-phosphonomethyliminodiacetic acid-N-oxide with a peroxide in the presence of an effective amount of a catalyst selected from the group consisting of water-soluble tungsten compounds and a mixture of water-soluble tungsten compounds and a water-soluble molybdenum compound to form the intermediate, and thereafter converting the intermediate N-phosphonomethyliminodiacetic acid-N-oxide to N-phosphonomethylglycine.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile