US 5,634,947 AGranted

Method for cleaning clothes with propylene glycol monomethyl ether

AssigneeKabushiki Kaisha Mihama

InventorKen Kazama

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Abstract

Disclosed is a method for cleaning clothes which comprises bringing the clothes into contact with a cleaning solvent, removing the contaminated solvent, rinsing and then drying the clothes, the improvement wherein said cleaning solvent consists of propylene glycol monomethyl ether containing 4 to 50% by volume of water.

Claims5

Dependent claims

A method for cleaning clothes which comprises bringing the clothes into contact with a cleaning solvent, removing the contaminated solvent, rinsing and then drying the clothes, the improvement wherein said cleaning solvent consists of propylene glycol monomethyl ether containing 4 to 50% by volume of water.

Dependencies are inferred from the claim text.

Facts

Application: 08/004,522Filed 14 Jan 1993 · continuation in part
Priority: JP 2-2630022 Oct 1990
Granted: 3 Jun 1997
Term ends: Not estimatedThe source records don’t support an estimate.

Classification3 codes

D06L 1/12
Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods: using aqueous solvents
D06L 1/02
Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods: using organic solvents
D06L
Dry-cleaning, washing or bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up

Family

Serial765,584Parent of this continuation-in-part · filed 25 Sep 1991
US 5,634,947 AThis patent

From the US filing history. Foreign family members aren’t listed.

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