Inventor
MARMANN ANDREA
DE4 patents
Patents
4 patentsUS11401621B2Aug 2, 2022
Method of producing a metal strip coated with a coating of chromium and chromium oxide using an electrolyte solution with a trivalent chromium compound and electrolysis system for implementing the method
THYSSENKRUPP RASSELSTEIN GMBH1 citations49
US11396713B2Jul 26, 2022
Method for the production of a metal strip coated with a coating of chromium and chromium oxide using an electrolyte solution with a trivalent chromium compound
THYSSENKRUPP RASSELSTEIN GMBH0 citations42
US11274373B2Mar 15, 2022
Method for the production of a metal strip coated with a coating of chromium and chromium oxide using an electrolyte solution with a trivalent chromium compound
THYSSENKRUPP RASSELSTEIN GMBH0 citations41
US10550479B2Feb 4, 2020
Method of thermally treating black plate coated with a conversion coating
THYSSENKRUPP RASSELSTEIN GMBH0 citations36