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US 12,364,262 B2Granted
Water based semi-synthetic metal working fluid composition containing an aminopropenediol
AssigneeDow Global Technologies LLC
InventorsQi Jiang, Xue Chen
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Abstract
The present invention describes a water-based metal working fluid comprising a base oil, an organic acid, optionally emulsifiers, a concentrate additive, water and a microbial growth control agent which comprises an aminopropanediol.
Claims13
A metal working fluid, comprising:
- a. at least one base oil;
- b. at least one microbial growth control agent comprising an aminopropanediol with a structure that corresponds to the formula:
- wherein R1 is propane-2,3-diol;
- R2 is hydrogen or methyl;
- and R3 is hydrogen or methyl;
- c. one or more organic acids;
- d. optionally, one or more emulsifiers;
- e. one or more concentrate additives;
- and
- f. water;
- wherein at least one of R2 and R3 is methyl.
8 more elements
Dependencies are inferred from the claim text.