Electrodeposition of chromium on metal base lithographic sheet

Chemistry: electrical and wave energy – Processes and products

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204 33, 204 34, 204 51, 430276, 430525, C25D 544, G03C 194

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active

043714307

ABSTRACT:
Electrodeposition of chromium of selectively constituted crystalline character and grain texture on metal substrates, such as aluminum or steel base lithographic sheet to provide improved and directly chromium plated aluminum or steel base lithographic sheet capable of operatively functioning as a surface plate after exposure of an applied photo sensitive coating thereon.

REFERENCES:
patent: 2091386 (1937-08-01), Viers
patent: 2847371 (1958-08-01), Topelian
patent: 2992171 (1961-07-01), MacLean
patent: 3098804 (1963-07-01), Wittrock
patent: 3493474 (1970-02-01), Weber
patent: 3672964 (1972-06-01), Bellis
patent: 3929594 (1975-12-01), Fromson
patent: 3979212 (1976-09-01), Peters et al.
F. A. Lowenheim, Electroplating, McGraw-Hill, New York, 1978, p. 129.
Metal Finishing Guidebook and Directory for 1978, Metals and Plastics Publications, Inc., Hackensack, N.J., pp. 156, 160-161.

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