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. 30, 2024
Filed:
Jul. 23, 2020
Applicant:
Carl Freudenberg KG, Weinheim, DE;
Inventors:
Jasmin Menzel, Weinheim, DE;
Boris Traber, Hirschberg, DE;
Matthias Adler, Heppenheim, DE;
Eva Fleischmann, Alsbach-Haehnlein, DE;
Christine Portela Cubillo, Bickenbach, DE;
Assignee:
CARL FREUDENBERG KG, Weinheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 15/3284 (2016.01); C08K 3/04 (2006.01);
U.S. Cl.
CPC ...
F16J 15/3284 (2013.01); C08K 3/042 (2017.05);
Abstract
The invention relates to a dynamic shaft seal which comprises (a) elastomer material and (b) graphene without a chemically modified surface in an amount of from 0.1 to 2 phr, in relation to 100 parts by weight of the elastomer material, as the sole constituent of the dynamic shaft seal made of elemental carbon.