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:
Nov. 23, 2021
Filed:
Jan. 22, 2019
Evonik Operations Gmbh, Essen, DE;
Stephan Wieber, Karlsruhe, DE;
Sofia Sirak, Plymouth Meeting, PA (US);
Daniel Neß, Hanau, DE;
Roland Wilkens, Gernsheim, DE;
Rebecca Jüstel, Frankfurt am Main, DE;
Günter Schmitt, Darmstadt, DE;
Michael Hagemann, Shanghai, CN;
Evonik Operations GmbH, Essen, DE;
Abstract
The invention relates to polymeric-inorganic nanoparticle compositions and preparation processes thereof. The invention also relates to an additive and lubricant composition comprising these polymeric-inorganic nanoparticle compositions, as well as to the use of these polymeric-inorganic nanoparticle compositions in an oil lubricant formulation to improve tribological performance, in particular to improve anti-friction performance on metal parts.