Biodegradable ether dry cleaning solvent
OwnerWilliam A. Haydayinventor
Life of this patent
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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.
Claims24
A glycol ether composition for dry-cleaning garments consisting essentially of dipropylene glycol tertiary-butyl ether (DPTB), water, and at least one other solvent selected from the group consisting of glycol ethers other than DPTB suitable for use as dry-cleaning solvents, wherein said water is present at a level of about 10% by weight or less.
A method of cleaning scoured and milled wool, comprising treating the scoured and milled wool with a glycol ether composition to effect cleaning, said glycol ether composition comprising dipropylene glycol tertiary-butyl ether (DPTB) and water at a level of about 10% by weight or less.
A composition for dyeing fabrics comprising a solution of a water-insoluble aliphatic glycol ether-soluble dye dissolved in a solvent comprising dipropylene glycol tertiary-butyl ether (DPTB) and water at a level of about 10% by weight or less.
A method of scouring raw wool comprising scouring raw wool with a glycol ether composition comprising dipropylene glycol tertiary-butyl ether (DPTB) and water at a level of about 10% by weight or less.
A method of milling scoured raw wool comprising milling said scoured raw wool with a glycol ether composition comprising dipropylene glycol tertiary-butyl ether (DPTB) and water at a level of about 10% by weight or less.
Dependencies are inferred from the claim text.