C - Chemistry – Metallurgy – 23 – F
Patent
C - Chemistry, Metallurgy
23
F
253/133, 31/34
C23F 11/12 (2006.01) C10M 173/00 (2006.01) C23F 11/14 (2006.01)
Patent
CA 1190541
Abstract Corrosion inhibiting aqueous functional fluid compositions are provided which comprise a) water b) a water soluble or dispersible, surface active, corrosion inhibiting alkali metal, ammonium or organic amine salt of a water insoluble C4 to C9 aliphatic monohydric secondary alcohol half ester of a hydrocarbon cyclic dicarboxylic acid or anhydride, said half ester having a molecular weight of from 240 to 297, (e.g. monoethanolamine salt of the 2-octanol half ester of phthalic acid) and optionally c) a substance selected from the group consisting of an anionic surfactant, a nonionic surfactant, a cationic surfactant, an amphoteric surfactant and a lubricant or mixture thereof the fluid having a pH in the range of 8 to 12. Such aqueous fluids are useful as metal working fluids.
411342
Borden Ladner Gervais Llp
Cincinnati Milacron Inc.
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