Use of benzotriazole UV absorbers

Details Use of benzotriazole UV absorbers Use of benzotriazole UV absorbers

2006-06-27

2006-06-27

Elhilo, Eisa (Department: 1751)

Toilet

Methods

Hair treatment by application of specific chemical composition

C132S208000, C424S070900, C548S255000, C548S257000, C548S260000

Reexamination Certificate

active

07066184

ABSTRACT:
The use of benzotriazole UV absorbers of formula (1), wherein A is a radical of formula (1a); (1b); or (1c); B is a radical of formula (1d); (1e); (1f), (1g); (1h); (1i); (1k); (1l); (1m); or (1n); R1, 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–C7cycloalky, C1–C12hydroxyalkyl; X is halogen; a radical of formula (1s); (1t); or (1u); sulfate, 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; and y is from 1 to 20; in the cosmetic treatment of human hair for protection against UV radiation is described.

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STIC Search Report.

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