Compositions – Fluent dielectric – N-containing
Patent
1993-09-03
1995-05-16
Lieberman, Paul
Compositions
Fluent dielectric
N-containing
252548, 252551, 252552, 252554, 252171, 252173, 25217421, 252DIG14, 25217422, C11D 165, C11D 112, C11D 162, C11D 344
Patent
active
054158125
ABSTRACT:
A light duty microemulsion liquid detergent composition, useful for removing greasy soils from surfaces with both neat and diluted forms of the detergent composition, includes a moderately water soluble complex of anionic and cationic surfactants, in which complex the anionic and cationic moieties are in essentially equivalent or equimolar proportions, an anionic detergent, a co-surfactant, an organic solvent and water. Preferably, the complex component is one in which the anionic and cationic moieties include hydrophilic portions or substituents, in addition to the complex forming portions thereof, the anionic detergent is a mixture of higher paraffin sulfonate and higher alkyl polyoxyethylene sulfate, the co-surfactant is a polypropylene glycol ether, a poly-lower alkylene glycol lower alkyl ether or a poly-lower alkylene glycol lower alkanoyl ester, and the organic solvent is a non-polar oil, such as an isoparaffin, or an oil having polar properties, such as a lower fatty acid ester or a lower fatty alcohol ester. Also within the invention are the described complex, preferably one of equimolar proportions of sodium C.sub.12-14 alkyl diethoxy ether sulfate and C.sub.12-14 alkyl-bis(2-hydroxyethyl) methylammonium halide, and processes for manufacturing the liquid detergent composition and for removing grease from laundry and hard surfaces by use of such a liquid detergent composition, especially in neat form, in which latter process significantly improved cleaning results, compared to that obtained when using control detergent compositions.
REFERENCES:
patent: 4000077 (1972-05-01), Wixon
patent: 4264457 (1981-04-01), Becks
patent: 4888119 (1989-12-01), Klewsaat
patent: 4919839 (1990-04-01), Durbut
patent: 5204010 (1993-04-01), Klewsaat
Broze Guy
Durbut Patrick
Mehreteab Ammanuel
Mondin Myriam
Colgate-Palmolive Co.
Grill Murray
Higgins Erin M.
Lieberman Paul
Nanfeldt Richard E.
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