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:
Apr. 01, 2014
Filed:
Aug. 06, 2010
Applicants:
Ulrich Notheis, Dormagen, DE;
Hans-dieter Gerriets, Duisburg, DE;
Michael Friederich, Krefeld, DE;
Inventors:
Assignee:
LANXESS Deutschland GmbH, Cologne, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 29/141 (2006.01); C07C 29/74 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a method for producing trimethylolpropane having a low color number by processing a raw reaction solution obtained according to the inorganic Cannizarro process while adhering to precisely defined pH values.