Corrosion inhibitor formulation for molybdenum tungsten and othe

Details Corrosion inhibitor formulation for molybdenum tungsten and othe Corrosion inhibitor formulation for molybdenum tungsten and othe

1986-09-26

1988-01-12

Thexton, Matthew A.

Compositions

Preservative agents

Anti-corrosion

422 12, C09K 300, C23F 1104

Patent

active

047190353

ABSTRACT:
The corrosion of molybdenum metal surfaces which come in contact with water-coolant systems is inhibited by the addition of a small amount of a composition containing a combination of a triazole inhibitor, a biocide and a buffering agent. A corrosion inhibiting composition containing benzotriazole as the inhibitor and benzoic acid as both a biocide and buffer proved to be especially effective in preventing the corrosion of molybdenum, tungsten and other metals.

REFERENCES:
patent: 3425954 (1969-02-01), Ruzevick et al.
patent: 3553137 (1971-01-01), Woods
patent: 4134959 (1979-01-01), Wenke et al.
patent: 4138353 (1979-02-01), Lipinski
patent: 4149969 (1979-04-01), Robitaille et al.
patent: 4219433 (1980-08-01), Manabe et al.
patent: 4317744 (1982-03-01), Levi
patent: 4324675 (1982-04-01), Barthold et al.

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