Method of dry cleaning using a highly fluorinated organic liquid

Details Method of dry cleaning using a highly fluorinated organic liquid Method of dry cleaning using a highly fluorinated organic liquid

1998-09-03

2000-04-25

Liott, Caroline D.

Bleaching and dyeing; fluid treatment and chemical modification

Cleaning or laundering

Dry cleaning

510285, 510288, 510290, 510408, 510412, D06L 104

Patent

active

060539526

ABSTRACT:
The invention provides dry cleaning liquid formulations and methods for their use based on a highly fluorinated organic solvent which contains at least one hydrogen atom per molecule, in particular, highly fluorinated hydrocarbons or highly fluorinated ethers. In a preferred embodiment the cleaning liquid contains an HFC or HFE in combination with dichloroethylene. The addition of a surfactant enhances the ability of the liquid to remove water-soluble soils.

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