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. 30, 2004
Filed:
Jul. 12, 2002
Applicant:
Inventors:
Joaquim Henrique Teles, Otterstadt, DE;
Alwin Rehfinger, Mutterstadt, DE;
Peter Bassler, Viernheim, DE;
Norbert Rieber, Mannheim, DE;
Werner Hefner, Lampertheim, DE;
Anne Wenzel, Eggenstein-Leopoldshafen, DE;
Peter Rudolf, Ladenburg, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
B01D 3/140 ; B01D 3/114 ; C07D / ;
U.S. Cl.
CPC ...
B01D 3/140 ; B01D 3/114 ; C07D / ;
Abstract
A mixture (M1) comprising an alkene and oxygen is worked up by a process in which (i) oxygen is removed from the mixture (M1) by a nondistillative method to give a mixture (M2) and (ii) the alkene is separated off from the mixture (M2) by distillation.