Low-foam detergent comprising a cationic surfactant and a glycol ether
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United States of America Patent
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Feb 13, 2001
Grant Date -
N/A
app pub date -
Feb 8, 2000
filing date -
Jun 6, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A cleaning agent concentrate is presented having (a) at least one glycol ether corresponding to the formula: R--O--(CH.sub.2 --CH(CH.sub.3)O).sub.n --H where R is an alkyl group having 1 to 4 carbon atoms or a phenyl group, and n is a number of from 1 to 5; and (b) at least one cationic surfactant, where the weight ratio of (a) to (b) is from 8:1 and 100:1, and where the cleaning agent concentrate comprises less than 0.1 percent by weight of fatty alcohol alkoxylates, amphoteric surfactants, or mixtures thereof. When diluted to 0.5 to 5% by weight with water, a cleaning agent is formed that is low-foaming. The cleaning agent is especially useful for cleaning and passivating metal surfaces using a spray application.
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