Inventor
OPITZ REINHARD
DE8 patents
⚠️ This page may combine multiple inventors who share the name “OPITZ REINHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
COLLARDIN GMBH GERHARD
4 patentsUS4944813AJul 31, 1990
Process for phosphating metal surfaces
COLLARDIN GMBH GERHARD16 citations70
US4622078ANov 11, 1986
Process for the zinc/calcium phosphatizing of metal surfaces at low treatment temperatures
COLLARDIN GMBH GERHARD11 citations70
US4707193ANov 17, 1987
Method for activating metal surfaces prior to zinc phosphation
COLLARDIN GMBH GERHARD4 citations59
US4956016ASep 11, 1990
Anticorrosive agents and use thereof
COLLARDIN GMBH GERHARD3 citations58