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:
Mar. 26, 2013
Filed:
Jul. 02, 2009
Irvin B. Cox, St. Albans, WV (US);
Thomas C. Eisenschmid, Cross Lanes, WV (US);
Ronald R. Peterson, St. Albans, WV (US);
Rainer Papp, Speyer, DE;
Ludwig Herk, Edingen-Neckarhausen, DE;
Anthony G. Abatjoglou, Charleston, WV (US);
Irvin B. Cox, St. Albans, WV (US);
Thomas C. Eisenschmid, Cross Lanes, WV (US);
Ronald R. Peterson, St. Albans, WV (US);
Rainer Papp, Speyer, DE;
Ludwig Herk, Edingen-Neckarhausen, DE;
Anthony G. Abatjoglou, Charleston, WV (US);
Dow Technology Investments, LLC, Midland, MI (US);
BASF SE, Ludwigshafen, DE;
Abstract
A process of controlling heavies in a recycle catalyst stream, particularly, for use in a continuous hydroformylation process of converting an olefin with synthesis gas in the presence of a hydroformylation catalyst to form an aldehyde product stream with subsequent separation of the catalyst for recycle to the hydroformylation step. Heavies are controlled, and preferably reduced, by means of feeding a recycle gas stream, taken as a portion of an over-head stream from a condenser, back to a vaporizer wherein the aldehyde product stream is separated.