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:
Dec. 02, 2008
Filed:
Dec. 19, 2003
Applicants:
Christiane Richard-elsner, Düsseldorf, DE;
Wilhelm Johannisbauer, Erkrath, DE;
Erich Reuter, Düsseldorf, DE;
Albrecht Schwerin, Düsseldorf, DE;
Inventors:
Christiane Richard-Elsner, Düsseldorf, DE;
Wilhelm Johannisbauer, Erkrath, DE;
Erich Reuter, Düsseldorf, DE;
Albrecht Schwerin, Düsseldorf, DE;
Assignee:
Cognis IP Management GmbH, Duesseldorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11B 3/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for reducing the odor of an oil. The oil being treated is first distilled by a carrier vapor or carrier gas distillation to form a distilled oil. The distilled oil is then contacted with a polymeric adsorbent; whereby the odor of the oil is reduced. The polymeric adsorbent is regenerated. The polymeric adsorbent can be a cross-linked polymer with an internal surface area of from 900 to 1500 m/gram.