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:
Aug. 31, 2010
Filed:
Dec. 18, 2006
Hans-georg Goebbel, Kallstadt, DE;
Peter Bassler, Viernheim, DE;
Joaquim Henrique Teles, Otterstadt, DE;
Peter Rudolf, Ladenburg, DE;
Ulrich Mueller, Neustadt, DE;
Anna Forlin, Vigonza, IT;
Malte Schulz, Hollern-Tw., DE;
Meinolf Weidenbach, Drochtersen, DE;
Hans-Georg Goebbel, Kallstadt, DE;
Peter Bassler, Viernheim, DE;
Joaquim Henrique Teles, Otterstadt, DE;
Peter Rudolf, Ladenburg, DE;
Ulrich Mueller, Neustadt, DE;
Anna Forlin, Vigonza, IT;
Malte Schulz, Hollern-Tw., DE;
Meinolf Weidenbach, Drochtersen, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
The Dow Chemical Company, Midland, MI (US);
Abstract
The present invention provides a process for the epoxidation of propene which comprises reacting propene with hydrogen peroxide in the presence of methanol as solvent and a titanium zeolite catalyst, the process further comprising separating propylene oxide from the reaction mixture to obtain a mixture comprising methanol, water, at least one carboxylic acid and at least one carbonyl compound, wherein the at least one carboxylic acid is at least partially neutralized, said process optionally comprising a hydrogenation stage.