Inventor

KARMASCHEK UWE

DE2 patents

Patents

2 patents

US5868872AFeb 9, 1999

Chromium-free process for the no-rinse treatment of aluminum and its alloys and aqueous bath solutions suitable for this process

HENKEL KGAA35 citations88

US5584946ADec 17, 1996

Chromium-free conversion coating treatment of aluminum

HENKEL KGAA100 citations88