Use of benzotriazole UV absorbers

Details Use of benzotriazole UV absorbers Use of benzotriazole UV absorbers

2006-10-31

2006-10-31

Elhilo, Eisa (Department: 1751)

Cleaning compositions for solid surfaces, auxiliary compositions

Cleaning compositions or processes of preparing

C510S461000, C548S255000, C548S257000, C548S260000, C424S070900, C424S059000

Reexamination Certificate

active

07129198

ABSTRACT:
The use of benzotriazole UV absorbers of formulawhereinA is a radical of formulaB is a radical of formulaR1, R2, R3, R4, R5and R6are each independently of the others hydrogen, C1–C16alkyl; C5–C7cycloalkyl; halogen;R9is hydrogen, C1–C12alkyl; or C5–C7cycloalkyl;R7, R8and R10are each independently of the others hydrogen, C1–C12alkyl, C5–C7cycloalkyl, C1–C12hydroxyalkyl;X is halogen; a radical of formulasulfate, phosphate, lactate, citrate, tartrate;R11is C1–C12alkyl; or C5–C7cycloalkyl;R12and R13are each independently of the other hydrogen; or C1–C5alkyl;x is from 0 to 10; andy is from 1 to 20;in the cosmetic treatment of human hair for protection against UV radiation is described.

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