Patent ID: 6627108
Filing Date: 2003-09-30
Classification: B01D,C01B

Abstract:
A catalytic composition comprising:salicylic acid, nitrilotriacetic acid, sodium hydroxide, N,Nâ€²-di-sec-butylaminophenol, polyalkylene methylpolysiloxane and water wherein the concentrations are: salicylic acid, 2.7% by weight, based on the weight of the composition; nitrilotriacetic acid, 0.3% by weight based on the weight of the composition; sodium hydroxide, 6.6% by weight, based on the weight of the composition; N,Nâ€²-di-sec-butylaminophenol, 0.05% by weight, based on the weight of the composition; polyalkylene methylpolysiloxane, 0.01% by weight, based on the weight of the composition; and water is the balance of the composition.