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. 09, 2015
Filed:
May. 29, 2013
Applicant:
Dow Global Technologies Llc, Midland, MI (US);
Inventors:
David G. Barton, Midland, MI (US);
Adam Chojecki, Ghent, BE;
Paul R. Elowe, Midland, MI (US);
Beata A. Kilos, Midland, MI (US);
Eric E. Stangland, Midland, MI (US);
Assignee:
Dow Global Technologies LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 41/09 (2006.01); B01J 37/03 (2006.01); B01J 21/06 (2006.01); B01J 27/10 (2006.01); B01J 35/00 (2006.01); B01J 35/10 (2006.01); B01J 37/02 (2006.01); C09K 5/10 (2006.01);
U.S. Cl.
CPC ...
C07C 41/09 (2013.01); B01J 37/031 (2013.01); B01J 21/066 (2013.01); B01J 27/10 (2013.01); B01J 35/002 (2013.01); B01J 35/1009 (2013.01); B01J 35/1038 (2013.01); B01J 37/0201 (2013.01); C09K 5/10 (2013.01);
Abstract
Provided is a process for preparing a diaryl ether compound through the dehydration of an aromatic alcohol compound in the presence of a dehydration catalyst. The dehydration catalyst is an oxide of a light rare earth element, wherein the light earth element is lanthanum, praseodymium, neodymium, or mixtures thereof.