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. 29, 2008
Filed:
Jul. 07, 2004
Applicants:
Hans-georg Göbbel, Kallstadt, DE;
Henning Schultz, Mannheim, DE;
Peter Schultz, Bad Dürkheim, DE;
Renate Patrascu, Stade, DE;
Malte Schulz, Hollern-Tw., DE;
Meinolf Weidenbach, Drochtersen, DE;
Inventors:
Hans-Georg Göbbel, Kallstadt, DE;
Henning Schultz, Mannheim, DE;
Peter Schultz, Bad Dürkheim, DE;
Renate Patrascu, Stade, DE;
Malte Schulz, Hollern-Tw., DE;
Meinolf Weidenbach, Drochtersen, DE;
Assignees:
BASF Aktiengesellschaft, Ludwigshafen, DE;
The Dow Chemical Company Legal Department Intellectual Property Section, Midland, MI (US);
Primary Examiner:
Int. Cl.
CPC ...
C07D 301/32 (2006.01); C07D 301/03 (2006.01); B01D 3/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of separating propylene oxide from a mixture (M) comprising 5 to 50 percent by weight propylene oxide and 50 to 85 percent by weight methanol, said method comprising