Title: Method for improving performance of corrosion inhibitors in industrial colling waters
Application Number: 87102313 Application Date: 1987.03.25
Publication Number: 1016638 Publication Date: 1988.02.24
Approval Pub. Date: 1993.03.03 Granted Pub. Date: 1993.03.03
International Classifi-cation: C23F11/10
Applicant(s) Name: Nalco Chemical Co. Address:
Inventor(s) Name: Donald A. Johnson;John E. Hoots
Attorney & Agent: FAN WEIMIN MU DEJUN
Abstract:
    A composition and the use of the composition for inhibiting corrosion in industrial cooling waters which contain hardness and have a pH of at least 8, which composition comprises a water-soluble organic phosphonate capable of inhibiting corrosion in an aqueous alkaline environment and a co- or terpolymer of acrylic acid and certain substituted acrylamides such as t-butyl acrylamide.
Time: 6
<- Previous Patent:Process for producing heat pipe   |  Next Patent:Etch-out metallic print ->