Compositions – Compositions containing a single chemical reactant or plural... – Organic reactant
Patent
1989-09-22
1991-07-30
Lieberman, Paul
Compositions
Compositions containing a single chemical reactant or plural...
Organic reactant
252132, 252173, 25217411, 25217412, 25217421, 25217422, 25217424, 252DIG1, 252DIG14, 252DIG12, C11D 932, C11D 922, C11D 1708
Patent
active
050358260
ABSTRACT:
A liquid detergent composition which is in liquid crystal form comprises a synthetic organic surface active agent, as the detergent component, which preferably includes one or more nonionic detergents of the ethoxylated higher fatty alcohol type, and a lesser proportion of anionic or cationic surfactant, such as sodium dialkyl sulfosuccinate or dicoco dimethyl ammonium chloride, a cosurfactant, such as tripropylene glycol butyl ether, a solvent for the soil, such as an isoparaffin of 9 to 11 carbon atoms or methyl cocoate (ester of methyl alcohol and coco acids) and water, with the water usually being the major component. Such compositions are useful for cold or room temperature cleaning of lipophilic soils, such as animal fats, from hard surfaces and from fabrics, and may be used as pre-treatments to loosen such soils from substrates to facilitate easier cleaning of dishes and laundry with conventional or the invented detergent compositions.
The invention also relates to concentrated versions of the compositions, which are not in liquid crystal state but which upon dilution with water are converted to such state. Also within the invention are processes for pre-treating and cleaning materials soiled with lipophilic soils, using the invented liquid crystal detergent compositions. Additional processes of the invention are those in which liquid crystal detergent compositions are made by diluting concentrated compositions with water, and those in which lipophilic materials convert liquid crystal detergent compositions to microemulsion form, which latter processes occur during pre-spotting and cleaning applications when the liquid crystal detergent composition contacts the oily soil on surfaces being treated.
REFERENCES:
patent: 4659497 (1987-04-01), Akred
patent: 4767625 (1988-08-01), Mitsuno
patent: 4869842 (1989-09-01), Denis
Broze Guy J.
Durbut Patrick J.
Mondin Myriam M.
Colgate-Palmolive Company
Grill Murray M.
Lieberman Bernard
Lieberman Paul
McCarthy Kevin
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