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:
Sep. 19, 2017
Filed:
Sep. 09, 2014
Applicant:
Lyondell Chemical Technology, L. P., Houston, TX (US);
Inventors:
Beaven S. Mandimutsira, Houston, TX (US);
Daniel F. White, Houston, TX (US);
Brian A. Salisbury, Houston, TX (US);
Assignee:
Lyondell Chemical Technology, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 45/50 (2006.01); C07C 29/16 (2006.01); B01J 31/22 (2006.01); B01J 31/20 (2006.01);
U.S. Cl.
CPC ...
C07C 45/50 (2013.01); B01J 31/20 (2013.01); B01J 31/2213 (2013.01); B01J 31/2295 (2013.01); B01J 2231/321 (2013.01); B01J 2531/822 (2013.01);
Abstract
A method of using homogenous rhodium catalysts comprising N-heterocyclic carbene ligands for the hydroformylation of olefins and substituted olefins is provided. In some aspects, the methods provided herein relate to the hydroformylation of allyl alcohol to 4-hydroxybutaldehyde in the presence of a rhodium catalyst which contains one or more N-heterocyclic carbene ligands of the formula: wherein R, R, R, and Rare defined herein.