Patent ID: 6881355
Filing Date: 2005-04-19
Classification: C09K,C23F

Abstract:
1. An antifreeze concentrate comprising a) from 0.05 to 10% by weight of one or more sulfonated or sulfated polyglycols of the formula in which A is C R is H, C X is H, an alkali metal or alkaline earth metal, K is a number from 0 to 10, L is 0 or 1, M is a number from 1 to 200, b) from 0.05 to 5% by weight of one or more carbamates of the formula in which X is O or S, R is C c) from 0.05 to 5% by weight of an aliphatic or aromatic amine, d) from 0.01 to 1% by weight of a hydrocarbon-triazole, e) alkylene glycols to 100% by weight.