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US 8,523,953 B2Granted
Use of an amine and/or a quaternary ammonium compound for protecting colour of artificially coloured hair with respect to the washing and process therefore
AssigneeKao Germany GmbH
InventorMartin Hoffmann
Life of this patent
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Abstract
The present invention relates to the use of amine and quaternary ammonium compounds for protecting hair color of artificially colored hair with respect to the washing, according to general structure R1-A-R2—B Wherein R1, A, R2 and B are defined in the claims and in the specification or —R2-A-R1 Wherein R1, A, R2 have the above meaning.
Claims14
A method for protecting color of artificially colored hair with respect to washing, comprising applying to the hair at least one first compound according to general structure
- R1-A-R2—B
- wherein R1 is a saturated or unsaturated, straight or branched alkyl group with 8 to 24 C atoms, R2 is a straight or branched alkyl group with 1 to 4 C atoms, A is a group selected from O,
- and B is selected from
- R3 and R4 are the same or different, H or an alkyl with 1 to 4 C atoms, hydroxyl alkyl with 1 to 4 C atoms and dihydroxyl alkyl with 2 to 4 C atoms, R5, and R6 are the same or different, an alkyl with 1 to 4 C atoms, hydroxyl alkyl with 1 to 4 C atoms and dihydroxyl alkyl with 2 to 4 C atoms, R7 is an alkyl with 1 to 4 C atoms, hydroxyl alkyl with 1 to 4 C atoms or di hydroxyl alkyl with 2 to 4 C atoms or
- —R2-A-R1
- wherein R1, A and R2 have the above meaning and X is an anion selected from the group consisting of chloride, bromide, and methosulfate, for protecting colour of artificially coloured hair with respect to the washing.
3 more elements
Dependencies are inferred from the claim text.