Metal cleaning

Details Metal cleaning Metal cleaning

1985-11-12

1986-11-11

Schofer, Joseph L.

Cleaning and liquid contact with solids

Processes

Hollow work, internal surface treatment

156344, 427155, 427156, 134 4, B08B 700

Patent

active

046220755

ABSTRACT:
A process for cleaning a metal, plastic or wood surface on which there is a residue resulting from contact with a cured resin which comprises applying to said surface a solution of a copolymer of N-vinyl-2-pyrrolidone and maleic acid, drying said solution of N-vinyl-2-pyrrolidone and maleic acid to form a film, and separating said film from the metal surface.

REFERENCES:
patent: 4200671 (1980-04-01), Krajewski et al.
patent: 4325744 (1982-04-01), Panayappan et al.
patent: 4368082 (1983-01-01), Poels
patent: 4424079 (1984-01-01), Barabas
patent: 4451296 (1984-05-01), Barabas

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