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Dive into the research topics where Karl-Heinz Gottwald is active.

Publication


Featured researches published by Karl-Heinz Gottwald.


Archive | 1994

NICKEL-FREE PHOSPHATIZATION PROCESS

Wolf-Achim Roland; Karl-Heinz Gottwald; Karl Dieter Brands; Jan-Willem Brouwer; Bernd Mayer


Archive | 1994

Nickel-free phosphating process

Wolf-Achim Roland; Karl-Heinz Gottwald; Karl Dieter Brands; Jan-Willem Brouwer; Bernd Mayer


Archive | 1990

Process for preparing zinc phosphate coatings containing manganese and magnesium

Joerg Riesop; Karl-Heinz Gottwald; Wolf-Achim Roland


Archive | 1996

Phosphating process with a copper-containing re-rinsing stage

Winfried Wichelhaus; Helmut Endres; Karl-Heinz Gottwald; Horst-Dieter Speckmann; Jan-Willem Brouwer


Archive | 1995

Nickel- and copper-free phosphating process

Roland Dr Wolf-Achim; Jan-Willem Brouwer; Karl-Heinz Gottwald; Bernd Mayer; Karl Dieter Brands


Archive | 1991

Process for the passivating post-treatment of phosphatized metal surfaces

Reinhard Seidel; Karl-Dieter Brands; Karl-Heinz Gottwald


Archive | 1990

Process not using chlorate or nitrite for the production of nickel and manganese-containing zinc phosphate films

Joerg Riesop; Kurt Hosemann; Karl-Heinz Gottwald


Archive | 1996

Phosphating process with a metalliferous re-rinsing stage

Winfried Wichelhaus; Helmut Endres; Karl-Heinz Gottwald; Horst-Dieter Speckmann; Jan-Willem Brouwer


Archive | 1993

Phosphating solns contg hydroxylamine and/or nitrobenzene sulphonate

Wolf-Achim Roland; Karl-Heinz Gottwald; Jan-Willem Brouwer


Archive | 1989

Verfahren zur herstellung von mangan- und magnesiumhaltigen zinkphosphatueberzuegen

Joerg Riesop; Karl-Heinz Gottwald; Wolf-Achim Roland

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