Hydroxyphenyl triazines
AssigneeCiba Specialty Chemicals Corporation
InventorsDietmar Hüglin, Vien Van Toan, Helmut Luther, Christophe Bulliard, Gerhard Rytz
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AssigneeCiba Specialty Chemicals Corporation
InventorsDietmar Hüglin, Vien Van Toan, Helmut Luther, Christophe Bulliard, Gerhard Rytz
Estimating the term…
A description is given of compounds of the formula I in which R1 is C1-C18alkyl; C5-C12cycloalkyl; C3-C6alkenyl; phenyl; C1-C18alkyl which is substituted by phenyl, OH, C1-C18alkoxy, C5-C12cycloalkoxy, C3-C18alkenyloxy, halogen, —COOH, —COOR4, —O—CO—R5, —O—CO—O—R6, —CO—NH2, —CO—NHR7, —CO—N(R7)(R8), CN, NH2, NHR7, —N(R7)(R8), —NH—CO—R5, phenoxy, C1-C18alkyl-substituted phenoxy, phenyl-C1-C4alkoxy, C6-C15bicycloalkoxy, C6-C15bicycloalkylalkoxy, C6-C15bicycloalkenylalkoxy, or C6-C15tricycloalkoxy; C5-C12cycloalkyl which is substituted by OH, C1-C4alkyl, C2-C6alkenyl or —O—CO—R5; glycidyl; —CO—R9 or —SO2—R10; or R1 is C3-C50alkyl which is interrupted by one or more oxygen atoms and/or substituted by OH, phenoxy or C7-C18alkylphenoxy; or R1 denotes the specific polymerizable radicals indicated in claim 1; R2 is C6-C18alkyl; C2-C6alkenyl; phenyl; C7-C11phenylalkyl; COOR4; CN; NH—CO—R5; halogen; trifluoromethyl; —O—R3; R3 embraces the definitions given for R1; the radicals R11 independently of one another are H; C1-C18alkyl; C3-C6alkenyl; phenyl; C7-C11phenylalkyl; halogen or C1-C18alkoxy, and the remaining radicals embrace the definitions given in claim 1, at least one of the radicals R1, R2 and R11 containing 4 or more carbon atoms. The novel compounds are effective as stabilizers for organic material against the damaging effect of light, oxygen and heat; they are also suitable for use in skin or hair protection preparations.
A compound of the formula I
2,4,6-Tris(2′-hydroxy-4′-isopropyloxyphenyl)-1,3,5-triazine;
Dependencies are inferred from the claim text.