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:
Mar. 23, 2021
Filed:
Jul. 20, 2018
Gerresheimer Bünde Gmbh, Bünde, DE;
Stefan Josten, Bielefeld, DE;
Frank Wittland, Enger, DE;
Stephan Brückner, Mackenrode, DE;
Christoph Gerhard, Friedland, DE;
Wolfgang Viöl, Adelebsen, DE;
GERRESHEIMER BÜNDE GMBH, Bünde, DE;
Abstract
A coating method is provided, in which at least one emulsion and/or one solution is applied at least to a first partial area of a surface of a component, said emulsion and/or solution containing at least one layer-forming substance, and then the component is heat-treated, wherein at least one second partial area of the first partial area is subsequently exposed to a plasma, wherein the carbon content of the coating decreases to less than about 80% or less than about 75% or less than about 70% or less than about 60% of the initial value prior to the plasma treatment. A workpiece and a method for the production thereof is provided.