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. 24, 2014
Filed:
Apr. 18, 2012
Applicants:
Hari Babu Sunkara, Hockessin, DE (US);
Sam Cotterill, Wilmington, DE (US);
Inventors:
Hari Babu Sunkara, Hockessin, DE (US);
Sam Cotterill, Wilmington, DE (US);
Assignee:
E I du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11C 3/00 (2006.01); C07C 69/66 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided are processes for preparing polytrimethylene ether glycol monoester or diesters composition wherein polytrimethylene ether glycol containing less than about 1 weight % of unreacted diol monomer is reacted with an equivalent excess of a monocarboxylic acid.