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:
Mar. 20, 2012
Filed:
Nov. 02, 2007
Applicants:
Xin Chen, Hockessin, DE (US);
Howard W. Prokop, Chadds Ford, PA (US);
Stephen Howard Colmery, Newark, DE (US);
Inventors:
Xin Chen, Hockessin, DE (US);
Howard W. Prokop, Chadds Ford, PA (US);
Stephen Howard Colmery, Newark, DE (US);
Assignee:
Uniqema Americas LLC, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 231/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for the manufacture of alkanolamide containing compositions, and more particularly to a process of reacting a fatty acid and diethanolamine (DEA) which result in the formation of low levels of undesirable by products, particularly of bis-hydroxyethyl piperazine (BHEP).