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. 29, 2018
Filed:
Jun. 06, 2012
Applicants:
Joan Fraga-dubreuil, Middlesborough, GB;
Vinay Medhekar, Beaumont, TX (US);
Thomas A. Micka, West Grove, PA (US);
Keith Whiston, Darlington, GB;
John J. Ostermaier, Orange, TX (US);
Colin S. Slaten, Orange, TX (US);
Inventors:
Joan Fraga-Dubreuil, Middlesborough, GB;
Vinay Medhekar, Beaumont, TX (US);
Thomas A. Micka, West Grove, PA (US);
Keith Whiston, Darlington, GB;
John J. Ostermaier, Orange, TX (US);
Colin S. Slaten, Orange, TX (US);
Assignee:
INVISTA North America S.a.r.l., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 31/24 (2006.01); B01J 31/22 (2006.01); B01J 31/18 (2006.01); C07C 253/10 (2006.01); C22B 23/02 (2006.01); B01J 35/00 (2006.01); B01J 23/755 (2006.01); B01J 35/10 (2006.01);
U.S. Cl.
CPC ...
B01J 31/22 (2013.01); B01J 31/185 (2013.01); B01J 31/1845 (2013.01); B01J 31/2409 (2013.01); C07C 253/10 (2013.01); C22B 23/021 (2013.01); B01J 23/755 (2013.01); B01J 35/002 (2013.01); B01J 35/006 (2013.01); B01J 35/1009 (2013.01); B01J 2231/322 (2013.01); B01J 2531/007 (2013.01); B01J 2531/847 (2013.01); Y10T 428/2982 (2015.01);
Abstract
As described herein, nickel treated with sulfur provides a surprisingly effective source of nickel atoms for generating nickel-phosphorus-containing ligand complexes useful as hydrocyanation catalysts.