Inventor
WENNEMANN HARALD
DE3 patents
Patents
3 patentsUS4844744AJul 4, 1989
Liquid, phosphate-free single phase degreasing compositions
HENKEL KGAA51 citations93
US5584946ADec 17, 1996
Chromium-free conversion coating treatment of aluminum
HENKEL KGAA100 citations88
US4445983AMay 1, 1984
Sealing anodically produced oxide layers, on aluminum
HENKEL KGAA12 citations66