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.

Date of Patent:
Sep. 29, 2020

Filed:

Feb. 27, 2018
Applicant:

Evonik Operations Gmbh, Essen, DE;

Inventors:

Sofia Sirak, Norristown, PA (US);

Holger Pletsch, Essen, DE;

Marius Kemper, Heiden, DE;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10L 1/16 (2006.01); C10M 143/14 (2006.01); C08F 236/06 (2006.01); C10M 169/04 (2006.01); C08F 136/06 (2006.01); C08F 8/04 (2006.01);
U.S. Cl.
CPC ...
C10M 143/14 (2013.01); C08F 8/04 (2013.01); C08F 136/06 (2013.01); C08F 236/06 (2013.01); C10M 169/041 (2013.01); C08F 2800/20 (2013.01); C10M 2205/08 (2013.01); C10N 2240/04 (2013.01); C10N 2240/042 (2013.01); C10N 2240/044 (2013.01); C10N 2240/045 (2013.01); C10N 2240/08 (2013.01); C10N 2240/10 (2013.01); C10N 2270/00 (2013.01);
Abstract

The invention relates to low molecular weight hydrogenated polybutadienes and to a method for the preparation of these polymers. The invention is also directed to lubricant compositions comprising these polymers and uses thereof.


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