Corrosion inhibitor

Details Corrosion inhibitor Corrosion inhibitor

1979-04-25

1982-03-02

Padgett, Benjamin R.

Compositions

Preservative agents

Anti-corrosion

210749, 252390, 422 15, 422 16, 422 17, 106 1405, 106 1416, 106 1413, 106 1412, C09K 300

Patent

active

043177441

ABSTRACT:
Corrosion inhibitor comprised of corrosion inhibiting amounts of a water soluble phosphonic acid or salt thereof; polymer of acrylic, methacrylic, maleic acid or its anhydride; and tolyltriazole. The corrosion inhibitor is particularly employed for inhibiting corrosion of ferrous containing metal; e.g., mild steel employed in cooling water systems.

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patent: 3992318 (1976-11-01), Gaupp et al.
patent: 4076501 (1978-02-01), Hanis et al.
patent: 4101441 (1978-07-01), Hwa et al.
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patent: 4130524 (1978-12-01), Boerwinkle et al.
patent: 4134959 (1979-01-01), Menke et al.
patent: 4138353 (1979-02-01), Lipinski
patent: 4149969 (1979-04-01), Robitaille et al.
patent: 4176059 (1979-11-01), Suzuki
patent: 4202796 (1980-05-01), Jacobs et al.

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