C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
31/43, 31/51, 31
C09K 15/32 (2006.01) C23F 11/167 (2006.01)
Patent
CA 1115041
-7- PHOSPHONATE CORROSION INHIBITOR ABSTRACT OF THE DISCLOSURE Use of amino tris(methylene phosphonic acid) and 1-hydroxyethylidene-1,1-diphosphonic acid in a ratio of from about 1:1 to about 3:1 by weight to inhibit corrosion of low carbon steel in aqueous systems.
326559
Calgon Corporation
Goudreau Gage & Associates
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