C - Chemistry – Metallurgy – 23 – F
Patent
C - Chemistry, Metallurgy
23
F
31/59
C23F 11/18 (2006.01) C02F 1/50 (2006.01) C10M 173/02 (2006.01) C23F 11/16 (2006.01)
Patent
CA 1335235
The present invention is, in one form, an aqueous alkaline metalworking fluid composition in the form of a concentrate which includes a salt of orthophosphoric acid; a dibasicdioic acid in an amount of up to about 5.0% by weight of the concentrate; an essentially phosphonate-free chelating agent; and, a neutralizing base. The composition may also include a lubricating agent, a coupling agent, a passavating agent, a biocide, and a colorant.
613438
Andrews Gary M.
Cutcher John A.
Castrol Limited
Mccarthy Tetrault Llp
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