Dry cleaning solvents containing DPTB and other surfactants
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United States of America Patent
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Jan 6, 2004
Grant Date -
Jul 4, 2002
app pub date -
Dec 12, 2001
filing date -
Apr 4, 1997
priority date (Note) -
Expired
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Abstract
A method for dry-cleaning garments which comprises treating the garments with a mixture of dipropylene glycol tertiary-butyl ether (DPTB) and water for a period of time sufficient to effect dry-cleaning, wherein the weight ratio of DPTB to water is at least 9:1.
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