Metal cleaning

B - Operations – Transporting – 08 – B

Patent

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149/12.1

B08B 3/08 (2006.01) B08B 7/00 (2006.01) B22C 7/00 (2006.01) C11D 3/37 (2006.01)

Patent

CA 1229779

METAL CLEANING Abstract of the Disclosure 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.

492853

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