Dyes of improved optical brightness and/or fluorescence and compositions containing them
OwnerAndrea E. Holmesinventor
Life of this patent
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Abstract
Preparing dyes suitable for cosmetic use that start with known dyes and link them, for example, with 1,3,5 triazine to bulky organic groups that control solubility.
Claims4
The Compound I, N-(7-(4-(diphenylamino)-6-(octyloxy)-1,3,5-triazine-2-ylamino)-8-methyl-3H-phenothiazin-3-ylidene)-N-methylmethanaminium of the formula:
The Compound II, (E)-4,4′-(ethene-1,2-diyl)bis(N-(4-(octyloxy)-6-(4-tritylphenoxy)-1,3,5-triazine-2-yl)benzenamine) of the formula:
The Compound III, tris(4-(4,6-bis(2-isopropyl-4-methylcyclohexyloxy)-1,3,5-triazine-2-ylamino)phenyl)methanol of the formula:
The Compound IV, 2-(3-(4,6-bis(2-isopropyl-4-methylcyclohexyloxy)-1,3,5-triazine-2-yloxy)-6-oxo-6H-xanthen-9-yl)benzoic acid of the formula:
Dependencies are inferred from the claim text.