Dry cleaning process
AssigneeUnilever Home & Personal Care USA, Division of Conopco, Inc.
InventorsJohannes Maria Evers, Machiel Goedhart, Freddie Kerpels, Cornelis Gerhard Van Kralingen, Pieter Everhardus Overdevest, Hank Robert Reinhoudt, Karin Vrieswijk
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Abstract
A dry cleaning process for in-home dry cleaning comprising a low aqueous dry cleaning step of contacting a laundry article with a low aqueous dry cleaning composition wherein the liquor to cloth ratio (w/w) (LCR) is at most 20, and wherein said low aqueous composition comprises: a) at least one non-flammable, non-chlorine containing organic dry cleaning solvent; b) 0.01 to 0.9 wt. % water and c) a cleaning effective amount of a surfactant wherein said surfactant comprises at least one anionic headgroup.
Claims8
A dry cleaning process for in-home dry cleaning consisting of a first step of contacting a laundry article with a low aqueous dry cleaning composition wherein the liquor to cloth ratio (w/w) (LCR) is at most 10,
- wherein said low aqueous composition comprises
- a) at least one non-flammable, non-chlorine containing organic dry cleaning solvent;
- b) 0.1 to 0.7 wt. % water and
- c) a cleaning effective amount of a surfactant wherein said surfactant comprises at least one anionic headgroup and a subsequent step of rinsing the article with only clean dry cleaning solvent comprising
- 0 to 0.000 1 wt. % of a surfactant;
- 0 wt. % of water;
- 0 to 50 wt. % of a cosolvent and
- a non-flammable, non-chlorine containing organic dry cleaning solvent.
Dependencies are inferred from the claim text.