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:
Feb. 01, 2005
Filed:
Sep. 11, 2001
Michael Röper, Wachenheim, DE;
Heinrich-josef Blankertz, Forst, DE;
Armin Volker Grenacher, Mutterstadt, DE;
Roland Krokoszinski, Weisenheim a.Berg, DE;
Willi Schönmann, Limburgerhof, DE;
Michael Röper, Wachenheim, DE;
Heinrich-Josef Blankertz, Forst, DE;
Armin Volker Grenacher, Mutterstadt, DE;
Roland Krokoszinski, Weisenheim a.Berg, DE;
Willi Schönmann, Limburgerhof, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
Essentially monounsaturated polyalkylenes having from 30 to 700 carbon atoms are continuously hydroformylated by a process in which i) a hydroformylation-active cobalt carbonyl catalyst is prepared from a catalyst precursor dissolved in an aqueous phase in the absence of the polyalkylenes, ii) the polyalkylenes are hydroformylated by means of synthesis gas in the presence of the cobalt carbonyl catalyst in a reaction zone, iii) the cobalt carbonyl catalyst is separated from the output from the reaction zone with at least partial reformation of the catalyst precursor and the catalyst precursor is recirculated to step i).