Process for removing contaminating coatings from metal surfaces

Details Process for removing contaminating coatings from metal surfaces Process for removing contaminating coatings from metal surfaces

1996-04-16

1998-04-14

Soderquist, Arlen

Cleaning and liquid contact with solids

Processes

For metallic, siliceous, or calcareous basework, including...

134 29, 134 38, 134 39, 134 40, 134 42, B08B 700, C03C 2300, C23D 1700

Patent

active

057381275

ABSTRACT:
A process for removing contaminating coatings from metal surfaces in which the metal surface to be cleaned is brought into contact with an aqueous alkaline solution containing as an additive 0.1 to 10% by weight, based on the aqueous alkaline solution, of at least one compound of the formula

REFERENCES:
patent: 1812321 (1931-06-01), Davidson
patent: 2710843 (1955-07-01), Stebleton
patent: 3058918 (1962-10-01), Gatza
patent: 4094701 (1978-06-01), Fekete
patent: 4537705 (1985-08-01), Mahoney et al.
patent: 4780237 (1988-10-01), Schmid et al.
patent: 5308401 (1994-05-01), Geke et al.

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