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. 08, 2014
Filed:
Aug. 15, 2012
Marshall J. Nepras, Burlington, WI (US);
Franz J. Luxem, Palatine, IL (US);
Leonard F. Zaporowski, Chicago, IL (US);
David Eisenberg, Northbrook, IL (US);
Marshall J. Nepras, Burlington, WI (US);
Franz J. Luxem, Palatine, IL (US);
Leonard F. Zaporowski, Chicago, IL (US);
David Eisenberg, Northbrook, IL (US);
Stepan Company, Northfield, IL (US);
Abstract
Provided are methods for decreasing the reaction time between an alkanolamine such as triethanolamine and a fatty acid alkyl ester such as, a triglyceride, a vegetable oil, a methyl ester, an ethyl ester, etc., a fatty acid, or a mixture thereof. The methods utilize a divalent zinc catalyst to facilitate and accelerate an esterification or transesterification reaction between the alkanolamine and the fatty acid, or fatty acid alkyl ester.