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. 20, 2006
Filed:
Feb. 03, 2003
Howard C. Berk, St. Louis, MO (US);
Thaddeus S. Franczyk, Ii, Maryland Heights, MO (US);
Robert B. Weisenfeld, Chesterfield, MO (US);
David A. Morgenstern, Creve Coeur, MO (US);
Juan P. Arhancet, Creve Coeur, MO (US);
William L. Moench, Jr., St. Louis, MO (US);
James C. Peterson, Manchester, MO (US);
Howard C. Berk, St. Louis, MO (US);
Thaddeus S. Franczyk, II, Maryland Heights, MO (US);
Robert B. Weisenfeld, Chesterfield, MO (US);
David A. Morgenstern, Creve Coeur, MO (US);
Juan P. Arhancet, Creve Coeur, MO (US);
William L. Moench, Jr., St. Louis, MO (US);
James C. Peterson, Manchester, MO (US);
Monsanto Technology LLC, St. Louis, MO (US);
Abstract
This invention is directed to a process for making an iminodiacetic acid compound from a monoethanolamine substrate having the formula: wherein Ris hydrogen, hydrocarbyl, or substituted hydrocarbyl. The process includes a series of reactions comprising a cyanomethylation, a hydrolysis and a dehydrogenation. In a particular embodiment, the iminodiacetic acid produced is disodium iminodiacetic acid and the monoethanolamine substrate used is 2-aminoethanol.