Cleaning and liquid contact with solids – Processes – For metallic – siliceous – or calcareous basework – including...
Patent
1976-01-15
1977-03-01
Bashore, S. Leon
Cleaning and liquid contact with solids
Processes
For metallic, siliceous, or calcareous basework, including...
134 42, B08B 308
Patent
active
040100421
ABSTRACT:
A phosphosilicate coating is removed from a metallic substrate by contacting the coating with an aqueous solution containing an alkali metal fluoride. The solution is maintained in contact with the coating for a time sufficient to remove the coating without harming the substrate.
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patent: 3642549 (1972-02-01), Couture et al.
patent: 3703419 (1972-11-01), Esler et al.
patent: 3798074 (1974-03-01), Esler et al.
Allegheny Ludlum Industries, Inc.
Bashore S. Leon
Caroff Marc L.
Dropkin Robert F.
Gioia Vincent G.
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