TRIORGANOSILANE DERIVATIVES OF BENZOTRIAZOLE, COSMETIC COMPOSITION FOR PROTECTION OF SKIN AND/OR HAIR FROM UV-RADIATION AND A METHOD OF PROTECTION OF SKIN AND/OR HAIR FROM ULTRAVIOLET RADIATION Russian patent published in 1999 - IPC

Abstract RU 2125057 C1

FIELD: organic chemistry, cosmetology. SUBSTANCE: invention relates to derivatives of benzotriazole of the formula (I) where n = 0-3; R¹ is C_1-8-alkyl; R² - H or C_1-4-alkyl; R³ is C_1-8-alkyl, phenyl; p = 2-10. Use of compounds of the formula (I) improves quality of cosmetic compositions since these compounds show increased solubility in lipids and photochemical stability. EFFECT: improved method of synthesis, enhanced effectiveness of compounds. 16 cl, 3 ex

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RU 2 125 057 C1

Authors

Ehrve Rishar

Madlen Ledjuk

Alan Ljagranzh

Dates

1999-01-20—Published

1995-11-03—Filed