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:
Jan. 24, 2017
Filed:
Jun. 13, 2016
Applicant:
Eastman Chemical Company, Kingsport, TN (US);
Inventors:
Thomas Allen Puckette, Longview, TX (US);
Xiaopeng Shan, Plano, TX (US);
Jody Lee Rodgers, Gilmer, TX (US);
Brian E. Green, Arp, TX (US);
Assignee:
Eastman Chemical Company, Kingsport, TN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 45/50 (2006.01); B01J 31/22 (2006.01); B01J 31/02 (2006.01); C07B 61/00 (2006.01); C07F 9/6571 (2006.01);
U.S. Cl.
CPC ...
B01J 31/2295 (2013.01); B01J 31/0209 (2013.01); C07B 61/00 (2013.01); C07C 45/50 (2013.01); C07F 9/6571 (2013.01); B01J 2231/321 (2013.01); B01J 2531/004 (2013.01); B01J 2531/822 (2013.01); C07B 2200/09 (2013.01);
Abstract
This invention pertains to hydroformylation catalysts containing a mixture of isomeric forms of halo-phosphorus ligands. This invention also describes a procedure for preparing isomers of certain halophosphite ligands, which contain the phosphorus atom in a macrocyclic ring.