Halogen resistant copper corrosion inhibitors

Details Halogen resistant copper corrosion inhibitors Halogen resistant copper corrosion inhibitors

1999-04-12

2000-08-15

Warden, Jill

Compositions

Preservative agents

Anti-corrosion

252387, 252388, 252390, 422 7, 422 12, 422 13, 422 14, 148282, C09K 300

Patent

active

061031445

ABSTRACT:
Non-halogen substituted, nitrogen containing, aromatic compounds are disclosed which are effective copper corrosion inhibitors in aqueous systems being treated with a halogen biocide. The materials of the present invention exhibit copper corrosion inhibition comparable to tolyltriazole in the absence of halogen, copper corrosion rates of less than about 2.5 mills per year in aqueous systems where halogen is present; and do not exhibit a detrimental effect on halogen demand in an aqueous system being treated.

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patent: 5772919 (1998-06-01), Reichgott et al.
patent: 5773627 (1998-06-01), Anderson et al.

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