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. 04, 2014
Filed:
Aug. 11, 2009
Applicants:
Gunter Rauchschwalbe, Leverkusen, DE;
Ulrich Notheis, Dormagen, DE;
Michael Friederich, Krefeld, DE;
Hans-dieter Gerriets, Duisburg, DE;
Carsten Hummelt, Köln, DE;
Christiane Oppenheimer-stix, Neuss, DE;
Paul Wagner, Düsseldorf, DE;
Inventors:
Gunter Rauchschwalbe, Leverkusen, DE;
Ulrich Notheis, Dormagen, DE;
Michael Friederich, Krefeld, DE;
Hans-Dieter Gerriets, Duisburg, DE;
Carsten Hummelt, Köln, DE;
Christiane Oppenheimer-Stix, Neuss, DE;
Paul Wagner, Düsseldorf, DE;
Assignee:
LANXESS Deutschland GmbH, Cologne, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 43/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a method for isolating ditrimethylol propane from secondary trimethylol propane production streams.