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:
Aug. 21, 2012
Filed:
Dec. 20, 2010
Applicants:
Aaron Minter, Wilmington, DE (US);
Edward R. Murphy, Lakeland, TN (US);
James M. Tocyloski, North East, MD (US);
Inventors:
Aaron Minter, Wilmington, DE (US);
Edward R. Murphy, Lakeland, TN (US);
James M. Tocyloski, North East, MD (US);
Assignee:
E I du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 65/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
Polyalkylene ether glycol or copolymer thereof are prepared by contacting at least one alkanediol with a alkanediol containing cyclic sulfate.