Cathodic electrodeposition coating agents containing bismuth...

Details Cathodic electrodeposition coating agents containing bismuth... Cathodic electrodeposition coating agents containing bismuth...

2008-05-20

2008-05-20

Mayekar, Kishor (Department: 1795)

Chemistry: electrical and wave energy

Processes and products

Electrophoresis or electro-osmosis processes and electrolyte...

C204S499000, C523S411000

Reexamination Certificate

active

07374650

ABSTRACT:
Waterborne cathodic electrodeposition (CED) coating agents comprising resin solids and optionally pigments, fillers, organic solvents and conventional coating additives, wherein said CED coating agents comprise at least one bismuth salt selected from the group consisting of bismuth hydroxycarboxylic acid salts and bismuth sulfonic acid salts in a quantity of 0.1 to 2.5 wt-%, calculated as bismuth and relative to resin solids content, together with at least one compound selected from the group consisting of yttrium and neodymium compounds in a quantity of 0.1 to 1 wt-%, calculated as metal and relative to resin solids content.

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