Hydroxy polycarboxylic acid built non-aqueous liquid cleaning co

Details Hydroxy polycarboxylic acid built non-aqueous liquid cleaning co Hydroxy polycarboxylic acid built non-aqueous liquid cleaning co

1988-03-21

1989-12-12

Lieberman, Paul

Compositions

Electrolytes for electrical devices

252 92, 252 95, 252 99, 252139, 252170, 252174, 25217419, 25217421, 252DIG14, C11D 1700, C11D 1722, C11D 3395, C11D 343

Patent

active

048866156

ABSTRACT:
A package construction for non-aqueous liquid detergent composition includes an outer package of water-permeable, water-insoluble plastic film or textile fabric and an inner package formed of water-soluble material, with an appropriate quantity, e.g. 100 grams, of the non-aqueous liquid composition sealed within the inner bag. A water-impermeable, water-insoluble outer bag or wrapper protects the package and its contents from exposure to moisture or high humidity prior to actual use in the aqueous wash bath. A preferred composition for use with this package construction is a non-aqueous liquid heavy duty no- or low-phosphate built laundry detergent composition which comprises a suspension of hydroxy polycarboxylic acid, e.g. sodium citrate, builder salt in liquid nonionic surfactant. The stability of the composition is improved by the addition of alkylene glycol monoalkyl ether solvents. Stability may be further enhanced by grinding the solid particulate matter, including builder salt, bleach and other minor ingredients to a particle size below about 15 microns. The non-aqueous liquid formulations remain pourable at temperatures as low as about 5.degree. C.

REFERENCES:
patent: 3277009 (1966-10-01), Freifeld et al.
patent: 3671294 (1972-06-01), Hopermann
patent: 4289815 (1981-09-01), Lee
patent: 4348293 (1982-09-01), Clarke et al.
patent: 4622173 (1986-11-01), Broze et al.
patent: 4647393 (1987-02-01), Ouhadi et al.
patent: 4743394 (1988-05-01), Kaufmann et al.

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