Inventor
BERTKAU WALTER
DE8 patents
⚠️ This page may combine multiple inventors who share the name “BERTKAU WALTER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BASF SE
5 patentsUS10131831B2Nov 20, 2018
Process for acidizing using retarded acid formulations
BASF SE8 citations80
US7905964B2Mar 15, 2011
Method for the passivation of metal surfaces with compositions comprising polymers with acid groups and waxes
BASF SE3 citations61
US7749337B2Jul 6, 2010
Method for the passivation of metal surfaces with polymers containing acid groups
BASF SE4 citations60
US11001902B2May 11, 2021
Production of leather
BASF SE0 citations57
US8372216B2Feb 12, 2013
Continuous method for treating the surface of metal strips
BASF SE0 citations33