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:
Feb. 21, 2017
Filed:
Mar. 07, 2014
Applicant:
Dow Technology Investments Llc, Midland, MI (US);
Inventor:
Thomas C. Eisenschmid, S. Charleston, WV (US);
Assignee:
Dow Technology Investments LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 45/50 (2006.01); B01J 31/24 (2006.01); B01J 31/02 (2006.01); C07D 333/32 (2006.01);
U.S. Cl.
CPC ...
C07C 45/505 (2013.01); B01J 31/0244 (2013.01); B01J 31/24 (2013.01); B01J 31/2409 (2013.01); C07C 45/50 (2013.01); C07D 333/32 (2013.01); B01J 2231/321 (2013.01); B01J 2531/822 (2013.01); Y02P 20/582 (2015.11);
Abstract
A heterocyclic nitrogen stabilizing agent is employed to reduce the rate of catalyst deactivation in a hydroformylation process.