Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Reexamination Certificate
2011-03-08
2011-03-08
Douyon, Lorna M (Department: 1764)
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
C008S137000, C008S137500
Reexamination Certificate
active
07902139
ABSTRACT:
A laundry treatment composition comprising: (i) from 2 to 70 wt % of a surfactant, and from 0.0001 to 0.1 wt % of an azine dye, wherein the dye is of the following core structure (I), wherein Ra, Rb, Rc, and Rdare selected from: H, an branched or linear C1 to C7-alkyl chain, benzyl a phenyl, and a naphthyl; the dye is substituted with at least one SO3−or —COO−group; the B ring does not carry a negatively charged group or salt thereof; and the A ring may further substituted to form a naphthyl; the dye is optionally substituted by groups selected from: amine, methyl, ethyl, hydroxyl, methoxy, ethoxy, phenoxy, Cl, Br, I, F, and NO2.
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Batchelor Stephen Norman
Bird Jayne Michelle
Conopco Inc.
Douyon Lorna M
Khan Amina
Mitelman Rimma
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