Metal treatment – Process of modifying or maintaining internal physical... – Processes of coating utilizing a reactive composition which...
Patent
1997-10-28
1999-03-02
Simmons, David A.
Metal treatment
Process of modifying or maintaining internal physical...
Processes of coating utilizing a reactive composition which...
106 1421, 148265, 148266, 148267, 148268, 148273, 148274, C23C 2224
Patent
active
058765174
ABSTRACT:
Process for finishing zinc, zinc alloy or cadmium surfaces which consists in bringing the components to be treated into contact first with an acidic chromate-plating bath based on chromium, cobalt and silver salts and then with a top coat bath comprising a colloidal silica, a corrosion inhibitor, a complexing agent, a surfactant and a black dye.
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English language translation of RO-A-94 238 Marinescu of which relates to the above Chemical Abstract, vol. 111, No. 16, abstract No. 138906s.
Atotech Deutschland GmbH
Koehler Robert R.
Simmons David A.
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