Patent ID: 8535567
Filing Date: 2013-09-17
Classification: C09K,C23F

Abstract:
1. A composition comprising: one or more tetrahydrobenzotriazoles having the general formulas Ia or Ib: wherein R one or more other triazoles having the general formula II: wherein R wherein the tetrahydrobenzotriazoles are solubilized in the activating solvents in an amount effective to inhibit corrosion of a metal or metal alloy which is corrodible in the presence of copper or copper corroding agents; and wherein the combination of the tetrahydrobenzotriazoles and the activating solvents comprise from about 10 to about 90% by weight of the tetrahydrobenzotriazoles and from about 10 to about 90% by weight of the activating solvents.