Inventor
ROLAND WOLF-ACHIM
DE11 patents
⚠️ This page may combine multiple inventors who share the name “ROLAND WOLF-ACHIM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HENKEL KGAA
10 patentsUS5935656AAug 10, 1999
Short duration hot seal for anodized metal surfaces
HENKEL KGAA31 citations89
US5891269AApr 6, 1999
Method of compacting anodized metals with lithium and fluoride-containing solutions without using heavy metals
HENKEL KGAA24 citations89
US5207840AMay 4, 1993
Process for preparing zinc phosphate coatings containing manganese and magnesium
HENKEL KGAA20 citations81
US5792283AAug 11, 1998
Nickel-free phosphating process
HENKEL KGAA9 citations73
US5112414AMay 12, 1992
Titanium free composition and process for activating metal surfaces prior to zinc phosphating
HENKEL KGAA7 citations73
US4957568ASep 18, 1990
Composition and process for activating metal surfaces prior to zinc phosphating and process for making said composition
HENKEL KGAA12 citations73
US6197126B1Mar 6, 2001
Nickel-free phosphating process
HENKEL KGAA14 citations72
US4288225ASep 8, 1981
Fluid, cold-stable, two-component washing compositions and method of washing textiles
HENKEL KGAA17 citations71
US5961809AOct 5, 1999
Chromium-free process for improving paint adhesion after thin-layer anodization
HENKEL KGAA11 citations68
US5039362AAug 13, 1991
Titanium free composition and process for activating metal surfaces prior to zinc phosphating
HENKEL KGAA3 citations62