Metal treatment – Process of modifying or maintaining internal physical... – Processes of coating utilizing a reactive composition which...
Patent
1988-06-22
1990-11-06
Silverberg, Sam
Metal treatment
Process of modifying or maintaining internal physical...
Processes of coating utilizing a reactive composition which...
148287, 606222, C23C 814
Patent
active
049683624
ABSTRACT:
A metallic product having a dark, nonreflective and nonflaking surface is disclosed. A method of manufacturing the dark, nonreflective and nonflaking surface is also disclosed.
REFERENCES:
patent: 1549022 (1925-08-01), Otte
patent: 2915420 (1959-12-01), Hardy
patent: 3437532 (1969-04-01), Helgezt
patent: 3920486 (1915-11-01), Howell
patent: 4026737 (1977-05-01), Takahari
American Cyanamid Company
Costello, Jr. Charles F.
Silverberg Sam
Warmbold David A.
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