Compositions – Preservative agents – Anti-corrosion
Patent
1981-09-21
1983-05-17
Gluck, Irwin
Compositions
Preservative agents
Anti-corrosion
106 1413, 106 1415, 252 336, 252 347, 252392, 252396, 422 16, 422 17, C23F 1112, C23F 1114
Patent
active
043839371
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 C.sub.4 to C.sub.9 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.
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patent: 4252743 (1981-02-01), Quinlan
patent: 4273664 (1981-06-01), Brandolese
Cincinnati Milacron Inc.
Dunn Donald
Gluck Irwin
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