Cleaning composition containing a colorant stabilized against fa

Details Cleaning composition containing a colorant stabilized against fa Cleaning composition containing a colorant stabilized against fa

1987-09-23

1989-02-07

Lieberman, Paul

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

252170, 252171, 252172, 252364, 252397, 106311, 8904, 8906, 8907, 8909, 424150, C09D 900, C11D 722, C11D 750

Patent

active

048030082

ABSTRACT:
An aqueous cleaning composition comprising a surfactant; up to about 50% of a higher boiling solvent, typically an alkyl ether of an alkylene glycol, said solvent introducing impurities into the composition in an amount and of a nature normally chemically incompatible with oxidizable dye chromophores; a dye in an amount to provide a desired tinctorial value, and a stabilizer selected from the group consisting of salts suitable to provide iodide and thiosulfate anions in an amount effective to retard fading of the dye, said compositions having a basic pH when the stabilizer is the thiousulfate salt. In another aspect of the invention, the stabilizer incorporated into compositions containing a solvent, a surfactant, and water, and optionally a dye provides a beneficial cleaning result. In yet another aspect of the invention, the stabilizer beneficially retards the development of malodors when the compositions of the present invention are contained in a PVC container. Broadly, the incorporation of the stabilizer in said solvent can be employed to neutralize said impurities.

REFERENCES:
patent: 3214380 (1965-10-01), Gangwisch
patent: 3338837 (1967-08-01), Hodes
patent: 3503885 (1970-03-01), Langenfeld
patent: 3558263 (1971-01-01), Baitinger, Jr.
patent: 4298491 (1981-11-01), Coxon et al.
patent: 4412933 (1983-11-01), Klahr et al.
patent: 4427566 (1984-01-01), Clemants
patent: 4526701 (1985-07-01), Rubin
patent: 4606842 (1986-08-01), Keyes et al.

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