Rust removal process

Details Rust removal process Rust removal process

1982-12-29

1984-05-29

Childs, Sadie L.

Cleaning and liquid contact with solids

Processes

Including forming a solidified or hardened coating for cleaning

134 2211, 252 82, 427444, B08B 700

Patent

active

044512961

ABSTRACT:
Rust is removed from metal surfaces by applying a coating of an aqueous solution of a copolymer of maleic acid and monomer of the formula CH.sub.2 .dbd.CHR wherein R represents H, CH.sub.3, OR.sup.1 or OCOR.sup.1 and R.sup.1 represents CH.sub.3 or CH.sub.2 CH.sub.3. The rust becomes incorporated into the coating during drying and the coating detaches itself from the metal surface for easy removal.

REFERENCES:
patent: 3277008 (1966-10-01), Heit
patent: 3696498 (1972-10-01), Leontaritis et al.
patent: 3922394 (1975-11-01), Lozier
patent: 4200671 (1980-04-01), Krajewski et al.
patent: 4325744 (1982-04-01), Panayappan et al.
patent: 4351673 (1982-09-01), Lawson

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