C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 39/06 (2006.01) C07C 39/12 (2006.01) C08K 5/13 (2006.01) C09K 15/08 (2006.01)
Patent
CA 2100406
A-19156/A 2,4-Dialkyl-6-sec-alkylphenols Abstract of the Disclosure Compounds of formula I Image (I), wherein R1 is C1-C4n-alkyl, isopropyl, s-butyl, cyclopentyl, cyclohexyl or .alpha.-methylbenzyl, R2 is C4-C18tert-alkyl or .alpha.,.alpha.-dimethylbenzyl, R3 is C1-C28alkyl, and R4 is methyl or ethyl, with the proviso that the -CHR3R4 group contains at least 4 carbon atoms, are suitable for stabilising organic material which is susceptible to degradation induced by heat, oxidation or actinic light.
Dubs Paul
Pitteloud Rita
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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