SB

Stefan Birkenheuer

CG Chemetall Gmbh: 3 patents #51 of 196Top 30%
SF Specialty Operations France: 2 patents #7 of 62Top 15%
📍 Frankfurt am Main, DE: #461 of 1,925 inventorsTop 25%
Overall (All Time): #932,413 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12049571 Method for treating metallic surfaces with an acidic aqueous composition and a post rinsing composition to improve corrosion resistance Carina Hecker, Oliver Sauer, Daniel Schatz, Nawel Souad Khelfallah, Marie-Pierre Labeau +1 more 2024-07-30
12043753 Process for corrosion-protecting pretreatment of a metallic surface containing steel, galvanized steel, aluminum, an aluminum alloy, magnesium and/or a zinc-magnesium alloy Dietmar Chmielewski, Carina Hecker, Oliver Sauer, Daniel Schatz 2024-07-23
12043758 Method for treating metallic surfaces with an acidic aqueous composition to improve corrosion resistance Carina Hecker, Oliver Sauer, Daniel Schatz, Nawel Souad Khelfallah, Marie-Pierre Labeau +1 more 2024-07-23
11441226 Method for anti-corrosion pre-treatment of a metal surface containing steel, galvanised steel, aluminium, magnesium and/or a zinc-magnesium alloy Carina Hecker, Oliver Sauer, Daniel Schatz 2022-09-13
11346002 Composition for coating of metallic surfaces with good adhesion, in particular aluminum materials Lars Sebralla, Manfred Walter, Nawel Souad Khelfallah 2022-05-31