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. 21, 2015
Filed:
May. 18, 2011
Applicants:
J. Weldon Moore, Jr., Lake Jackson, TX (US);
Steven T. Booth, Wilmington, DE (US);
Ray O. Leenhouts, Midland, TX (US);
Inventors:
J. Weldon Moore, Jr., Lake Jackson, TX (US);
Steven T. Booth, Wilmington, DE (US);
Ray O. Leenhouts, Midland, TX (US);
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 227/00 (2006.01); C07C 229/30 (2006.01); C07C 227/26 (2006.01); C07C 227/42 (2006.01); C07C 227/44 (2006.01);
U.S. Cl.
CPC ...
C07C 227/26 (2013.01); C07C 227/42 (2013.01); C07C 227/44 (2013.01);
Abstract
Provided is a method for preparing stable free flowing solid aminocarboxylate chelants by adding to a chelant that contains residual alkaline metal hydroxide a free or partially neutralized carboxylic acid such that the free or partially neutralized acid neutralizes at least a portion of the alkaline metal hydroxide; and isolating therefrom the free-flowing solid chelant.