Process for cleaning of tin-plated steel cans

Details Process for cleaning of tin-plated steel cans Process for cleaning of tin-plated steel cans

1980-02-08

1981-05-05

Caroff, Marc L.

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

134 40, 134 2, 25217416, C23G 114, C23G 118, C11D 706

Patent

active

042657806

ABSTRACT:
A process for cleaning of tin-plated steel cans which comprises washing the surface of a tin-plated steel can with an alkaline solution comprising at least one of esters of myoinositol with 2 to 6 molecules of phosphoric acid and their alkali metal salts, alkaline earth metal salts, ammonium salts and amine salts in a concentration of at least 0.05 g/l and having a pH of 8 to 13, whereby oils and fats adhering to the said surface as well as the oxide film formed on such surface are eliminated without dissolution or corrosion of tin and substrate iron.

REFERENCES:
patent: 2739942 (1956-03-01), Eckey
patent: 2748035 (1956-05-01), Duncan
patent: 2836566 (1958-05-01), Duncan
patent: 3653095 (1972-04-01), Dupre et al.
patent: 3888783 (1975-06-01), Rodzewich
patent: 3895910 (1975-07-01), Juchniewicz
patent: 4094701 (1978-06-01), Fekete
patent: 4187127 (1980-02-01), Yashiro et al.

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