Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Maintaining environment nondestructive to metal
Patent
1985-07-30
1987-06-23
Terapane, John F.
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
Maintaining environment nondestructive to metal
252391, 252390, C23F 1104, C09K 300
Patent
active
046751580
ABSTRACT:
The present invention is directed to a composition which is useful for inhibiting the corrosion of copper and copper alloy metals in contact with an aqueous system which comprises mercaptobenzothiazole and tolyltriazole.
The present invention is also directed to a method of inhibiting the corrosion of copper and copper alloy metals in contact with an aqueous system comprising maintaining in the aqueous system at least about 0.1 ppm (parts per million) of a composition comprising mercaptobenzothiazole and tolyltriazole.
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Japanese Patent Office, Patent Abstracts of Japan, vol 7, No. 263, No. 58-144479, (Nov. 1983), "Formation of Film on Copper Parts".
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O'Neal, Jr. et al., "The Effect of Chlorine . . . ", Materials Performance, Nov. 1977, pp. 12-16.
Derwent Abstract 20889E/11; "Corrosion Inhibitor for Metal Parts . . . ", Japan No. 570026/071; 7/16/80.
Derwent Abstract 83-780026/40; "Surface Finishing Copper or Copper Alloy . . . "; Japan No. 58144-479A; 2/23/82.
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Calgon Corporation
Mitchell W. C.
Olson R. B.
Sudol, Jr. M. C.
Terapane John F.
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