Plastic and nonmetallic article shaping or treating: processes – Disparate treatment of article subsequent to working,... – Washing of article
Patent
1984-03-22
1985-09-24
Derrington, James
Plastic and nonmetallic article shaping or treating: processes
Disparate treatment of article subsequent to working,...
Washing of article
264332, 264344, 423 84, C04B 3560
Patent
active
045432279
ABSTRACT:
Hot pressed refractory boride shapes are treated with molten alkali metal hydroxide such as by immersion in a bath of the molten hydroxide. The treatment cleans and removes residual carbon from the surface layer of the shapes.
REFERENCES:
patent: 2913312 (1959-11-01), Dubeck
patent: 3329513 (1967-07-01), Murata et al.
Derrington James
Thornton James R.
United States Borax & Chemical Corporation
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