E.i. Dupont De Nemours and Company

Herberts Gesellschaft MIT Beschrankter Haftung

Herberts Ag

Heinz-Peter Katzmann

Klausjoerg Klein

Johann Hirtl

Klausjorg Klein

Gabriele Buettner

Norbert David

A process for the production of coated substrates comprising the successive steps of:

Process for the production of coated substrates

Cathodic electrodeposition coating compositions containing, in addition to conventional self-cross-linking or external cross-linking film-forming binders as well as optionally cross-linking agents, pigments, extenders, additives conventionally used in coating agents and solvents, from 0.1 to 5 wt-%, based on the resin solids content of the coating compositions, of one or more sulphonamides, when coated on a galvanized surface, produce coatings that are substantially free of pinholes.

Cathodic electrodeposition coating compositions and process for using same

Aqueous baths for electrophoretic lacquering containing binding agents capable of cathodic deposition and containing as additives for enhancing surface appearance, in particular as anti-cratering agents,

Baths for electrophoretic lacquering capable of cathodic deposition with

Aqueous electrodeposition coating baths containing cathodically depositable binders and having a content of homopolymers or copolymers of an alkyl vinyl ether, characterized in that the baths contain the following surface-improving additives:

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Wuppertal, Germany

Heinz-Peter Katzmann