Thickening system for incorporating fluorescent whitening agents

Compositions – Organic luminescent material containing compositions – Optical brightening compositions

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Details

252 95, 252 96, 252100, 252102, 25218626, 25218628, 25218629, 25230121, 2523151, 252545, 252558, C09K 1106

Patent

active

054258987

ABSTRACT:
A freeze-thaw stable thickening system for laundry products incorporating low levels of an acid-insoluble fluorescent whitening agent, a nonionic surfactant that comprises substantially of hydrophilic polyethoxylated alcohol oligomers, a fatty acid soap, and acidic pH adjusting agent is provided. The thickening system may be formulated with a bleaching product and preferably with a peroxide bleach product. Preferred polyethoxylated alcohol oligomers comprise a mixture of alcohols having the structure

REFERENCES:
patent: 4764302 (1988-08-01), Baker et al.

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