Biodegradable ether dry cleaning solvent
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United States of America Patent
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Mar 7, 2006
Grant Date -
Nov 18, 2004
app pub date -
Jan 6, 2004
filing date -
Apr 4, 1997
priority date (Note) -
Expired
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Abstract
Compositions for dry-cleaning garments containing dipropylene glycol tertiary-butyl ether (DPTB), water, and at least one other solvent selected from cyclic siloxanes and glycol ethers other than DPTB suitable for use as dry-cleaning solvents, wherein the water is present at a level of about 10% by weight or less.
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