C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
134/3, 260/625.1
C07C 41/58 (2006.01) C11D 3/40 (2006.01) C11D 3/43 (2006.01) C11D 7/22 (2006.01)
Patent
CA 1328283
ABSTRACT OF THE DISCLOSURE 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 composition having a basic pH when the stabilizer is the thiosulfate salt. In another aspect of the invention, the stabilizer incorporated into composition containing a solvent, a surfactant, and water, and optionally a dye provided a beneficial cleaning result. In yet another aspect of the invention, the stabilizer beneficially retards the development of malodors when the compositions of the prevent invention are contained in a PVC container. Broadly, the incorporation of the stabilizer in said solvent can be employed to neutralize said impurities.
572312
Ciolino Laura A.
Clancy Shaun F.
Gowling Lafleur Henderson Llp
S.c. Johnson & Son Inc.
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