Low level chromate-based corrosion inhibition in aqueous mediums

Details Low level chromate-based corrosion inhibition in aqueous mediums Low level chromate-based corrosion inhibition in aqueous mediums

1980-03-28

1981-10-27

Richman, Barry

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Maintaining environment nondestructive to metal

252389R, 252392, 422 17, 422 19, C23F 1112, C23F 1114, C23F 1118

Patent

active

042973171

ABSTRACT:
A method and composition are disclosed for treating corroding aqueous mediums to reduce the corrosion of metal surfaces exposed thereto. The treatment comprises water-soluble chromate and a copolymer of acrylic acid and hydroxy alkyl acrylate.

REFERENCES:
patent: 3658710 (1972-04-01), Puckonus et al.
patent: 3963636 (1976-06-01), Harns et al.
patent: 4029577 (1977-06-01), Godlewski et al.
patent: 4209398 (1980-06-01), Ii et al.

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