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:
May. 01, 2007
Filed:
Dec. 18, 2002
Applicants:
Dirk Müller, Bergisch Gladbach, DE;
Paul Wagner, Düsseldorf, DE;
Brian Schwegler, Visp, CH;
Ulrich Notheis, Dormagen, DE;
Ralph Armbrust, Dormagen, DE;
Hans-detlef Heinz, Leverkusen, DE;
Alexander Wagner, Krefeld, DE;
Inventors:
Dirk Müller, Bergisch Gladbach, DE;
Paul Wagner, Düsseldorf, DE;
Brian Schwegler, Visp, CH;
Ulrich Notheis, Dormagen, DE;
Ralph Armbrust, Dormagen, DE;
Hans-Detlef Heinz, Leverkusen, DE;
Alexander Wagner, Krefeld, DE;
Assignee:
Lanxess Deutschland GmbH, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 31/22 (2006.01); C07C 29/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for preparing trimethylolpropane having a low APHA color number.