Electrolysis: processes – compositions used therein – and methods – Electrolytic coating – Coating predominantly nonmetal substrate
Reexamination Certificate
2005-03-29
2005-03-29
Wong, Edna (Department: 1753)
Electrolysis: processes, compositions used therein, and methods
Electrolytic coating
Coating predominantly nonmetal substrate
C205S166000, C205S167000, C205S168000, C205S169000, C205S196000, C204S484000, C204S486000, C204S487000, C204S488000
Reexamination Certificate
active
06872294
ABSTRACT:
The quality of painted surfaces of polymer composites is improved by first forming an electroless metal coating on the molded surface of the composite and then electroplating a coating of zinc or zinc alloy on the metallized composite surface. The “galvanized” composite surface provides a good base for electrostatic deposition of either liquid or powder paint and the zinc surface prevents the formation of defects in the painted surface during heating of the composite to dry or cure the paint film.
REFERENCES:
patent: 3955017 (1976-05-01), Colebourne et al.
patent: 4039714 (1977-08-01), Roubal et al.
patent: 20040050703 (2004-03-01), Lee et al.
Lee Hsai-Yin
Wang Yar-Ming
Xie Tao
General Motors Corporation
Marra Kathryn A.
Wong Edna
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