C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
31/60
C09K 5/00 (2006.01) B01D 19/04 (2006.01) C09K 5/20 (2006.01)
Patent
CA 1078162
GLYCOL ANTIFREEZE MIXTURES Abstract Of The Disclosure A glycol-based antifreeze formulation containing as a defoaming agent, from 0.001% to about 1.0% by weight of the reaction product of a polyglycerol having from 5 to 30 glycerol units, and a glycidyl ether having the formula Image wherein n is an integer from 1 to 20, R is hydrogen, methyl or ethyl, and Z is an alkyl group having from 1 to 8 carbon atoms or the group having the formula: Image .
294155
Dutton Daniel R.
Langdon William K.
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