Patent ID: 9404188
Filing Date: 2016-08-02
CPC Classification: C02F,C11D,C23F

Claim Text:
1. A corrosion inhibiting composition for metal comprising a mixture of at least one salt of a hydroxycarboxylic acid and at least one salt of an oxoacid anion, wherein the at least one salt of a hydroxycarboxylic acid comprises about 40% to about 60% by weight of at least one glucarate salt, about 5% to about 15% by weight of at least one gluconate salt, about 3% to about 9% by weight of at least one 5-keto-gluconate salt, about 5% to about 10% by weight of at least one tartrate salt, about 5% to 10% by weight of at least one tartronate salt, and about 1% to 5% by weight of at least one glycolate salt.