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:
May. 03, 2016
Filed:
Sep. 04, 2013
Applicant:
Dow Global Technologies Llc, Midland, MI (US);
Inventors:
Tina L. Arrowood, Elko New Market, MN (US);
Jason C. MacDonald, Bay City, MI (US);
Assignee:
Dow Global Technologies LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 241/04 (2006.01); C07D 295/04 (2006.01); C07D 295/088 (2006.01); B01J 27/232 (2006.01); B01J 31/02 (2006.01); B01J 31/16 (2006.01);
U.S. Cl.
CPC ...
C07D 295/088 (2013.01); B01J 27/232 (2013.01); B01J 31/0225 (2013.01); B01J 31/0244 (2013.01); B01J 31/16 (2013.01); C07D 241/04 (2013.01); C07D 295/04 (2013.01); Y02P 20/582 (2015.11);
Abstract
A process for selectively preparing dihydroxyethyl piperazine by reacting hydroxyethyloxazolidinone with an acid catalyst wherein the selectivity of hydroxyethyloxazolidinone to dihydroxyethyl piperazine is at least 55%.