Adhesive bonding and miscellaneous chemical manufacture – Delaminating processes adapted for specified product – Delaminating in preparation for post processing recycling step
Patent
1986-03-03
1987-03-24
Powell, William A.
Adhesive bonding and miscellaneous chemical manufacture
Delaminating processes adapted for specified product
Delaminating in preparation for post processing recycling step
156903, 252 792, C23F 100, B44C 122, C03C 1500, C03C 2506
Patent
active
046523405
ABSTRACT:
The chemical polishing of steel surfaces is carried out by bringing the latter into contact with a bath comprising, in aqueous solution, hydrochloric acid, phosphoric acid, nitric acid and ferricyanide complex ions. The invention is in particular applicable to the polishing of vessels of large dimensions made from stainless steel alloyed with chromium and with nickel.
REFERENCES:
patent: 1809041 (1931-06-01), Jenkins et al.
patent: 2502621 (1950-04-01), Fine
patent: 2662814 (1953-12-01), Swihart
patent: 3072515 (1963-01-01), Smolinski et al.
patent: 3457107 (1969-07-01), Mickelson et al.
patent: 4289576 (1981-09-01), Wilson et al.
Lefevre Pierre
Marechal Michel
Tytgat Daniel
Powell William A.
Solvay & Cie (Societe Anonyme)
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