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. 10, 2017
Filed:
Feb. 06, 2012
Rene Koschabek, Weinheim, DE;
Torsten Stoehr, Frankfurt, DE;
Markus Weber, Brensbach, DE;
Andre Unglert, Frankfurt, DE;
Wolfgang Tschepat, Darmstadt, DE;
Rene Koschabek, Weinheim, DE;
Torsten Stoehr, Frankfurt, DE;
Markus Weber, Brensbach, DE;
Andre Unglert, Frankfurt, DE;
Wolfgang Tschepat, Darmstadt, DE;
Evonik Oil Additives GmbH, Darmstadt, DE;
Abstract
The present invention relates to a lubricant composition for a process for reducing the paraffin content of mineral oil compositions, by providing a mineral oil composition with a dewaxing aid, cooling to form a paraffin precipitate and at least partly removing the paraffin precipitate formed. The dewaxing aid used is a copolymer mixture comprising at least three copolymers, the copolymers differing in the composition of the repeat units.