Polyethylene glycol ether low temperature foam suppressing agents in low-foam cleaning agents
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United States of America Patent
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Sep 4, 1990
Grant Date -
N/A
app pub date -
Jan 11, 1989
filing date -
Jan 11, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention is cleaning compositions containing Polyethylene-glycol ethers of the formula R.sub.1 --(CH.sub.2 CH.sub.2 O).sub.n --R.sub.2 (1) in which R.sub.1 is a straight-chain or branched alkyl- or alkenyl radical having from 20 to 28 carbon atoms R.sub.2 is an alkyl radical having from 4 to 8 carbon atoms and n is an integer from about 6 to about 20 as a foam-suppressing additive. The cleaning compositions are stable over a broad temperature range and having low foaming characteristics particularly at about ambient temperatures.
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