Patent Number: 6,200,499

Title: Compositions for corrosion inhibition of ferrous metals

Abstract: Compositions comprising certain amino acids such as aspartic acid, when fully ionized at alkaline pH, function effectively as corrosion inhibitors for ferrous metals in the presence of an aqueous medium. This effect is enhanced with increased fluid velocity.

Inventors: Kalota; Dennis J. (Fenton, MO), Silverman; David C. (Chesterfield, MO)


International Classification: C23F 11/10 (20060101); C23F 11/06 (20060101); C23F 11/173 (20060101); C23G 1/08 (20060101); C23F 11/14 (20060101); C09K 003/00 (); C23F 011/04 ()

Expiration Date: 03/12013