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. 04, 2011
Filed:
Mar. 12, 2008
Thomas C. Eisenschmid, Cross Lanes, WV (US);
Glenn A. Miller, South Charleston, WV (US);
Ronald R. Peterson, St. Albans, WV (US);
Anthony G. Abatjoglon, Charleston, WV (US);
Thomas C. Eisenschmid, Cross Lanes, WV (US);
Glenn A. Miller, South Charleston, WV (US);
Ronald R. Peterson, St. Albans, WV (US);
Anthony G. Abatjoglon, Charleston, WV (US);
Abstract
A continuous hydroformylation process for producing a mixture of aldehydes with improved flexibility and stability of a normal/branched (N/I) isomer ratio of the product aldehydes. The process involves reacting one or more olefinically-unsaturated compounds with carbon monoxide and hydrogen in the presence of an organopolyphosphite ligand and an organomonophosphite ligand, at least one of such ligands being bonded to a transition metal to form a transition metal-ligand complex hydroformylation catalyst; the process being conducted at a sub-stoichiometric molar ratio of organopolyphosphite ligand to transition metal, at a super-stoichiometric (>2/1) molar ratio of organomonophosphite ligand to transition metal, and at a carbon monoxide partial pressure in the inverse order region of the hydroformylation rate curve; and controlling and varying the isomer ratio by varying the concentration of organopolyphosphite ligand relative to transition metal.