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:
Jul. 21, 2020
Filed:
Mar. 02, 2018
Applicant:
Cargill, Incorporated, Wayzata, MN (US);
Inventors:
Andrew M. Karl, Maple Grove, MN (US);
Todd L. Kurth, Maple Grove, MN (US);
Assignee:
CARGILL, INCORPORATED, Wayzata, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 229/48 (2006.01); C07C 227/18 (2006.01);
U.S. Cl.
CPC ...
C07C 229/48 (2013.01); C07C 227/18 (2013.01);
Abstract
Methods of preparing a polyaspartic ester composition comprise reacting a primary diamine reactant composition with a diester reactant composition under conditions to prepare a polyaspartic ester composition having a primary amine value of less than 35 mg KOH/g wherein, at the time of the reaction, the combined water content of the primary diamine reactant composition and the diester reactant composition is less than 300 ppm. Compositions and methods of use of the compositions are also described.