Bleaching and dyeing; fluid treatment and chemical modification – Cleaning or laundering – Removing formation impurities from artifical fiber
Patent
1977-01-26
1978-09-19
Kight, III, John
Bleaching and dyeing; fluid treatment and chemical modification
Cleaning or laundering
Removing formation impurities from artifical fiber
8142, 252162, 252173, D06L 108, D06L 122
Patent
active
041150619
ABSTRACT:
A method for cleaning greatly soiled textiles with organic solvents and aqueous detergent solutions consisting essentially of (1) contacting greatly soiled textiles with a cleaning liquor consisting of a customary water-immiscible, organic dry-cleaning solvent and an aqueous solution of a detergent composition containing from 3.5% to 35% by weight of said solution of an anionic surface-active compound with a low solubility in said organic dry-cleaning solvent, wherein from 0.5 to 10 gm of said detergent composition are present per liter of said cleaning liquor for a time sufficient to clean said soiled textiles and to have said textiles absorb said aqueous solution, (2) removing the soiled organic dry-cleaning solvent from said textiles containing absorbed aqueous solution, (3) contacting said textiles containing absorbed aqueous solution with water for a time sufficient to completely wash said textiles, (4) rinsing said textiles with water, and (5) recovering said cleaned textiles.
REFERENCES:
patent: 3701627 (1972-10-01), Grunewalder
patent: 3707508 (1972-12-01), Blomfield
patent: 3907496 (1975-09-01), Neel et al.
patent: 3926831 (1975-12-01), Sonnengruber
patent: 3933425 (1976-01-01), Grunewalder et al.
patent: 4014805 (1977-03-01), Castrantas
Henkel Kommanditgesellschaft auf Aktien
Kight III John
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