C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
253/111, 400/706
C08L 101/00 (2006.01) C07C 59/52 (2006.01) C07C 69/73 (2006.01) C07C 69/732 (2006.01) C07C 323/16 (2006.01) C08K 5/134 (2006.01) C08K 5/17 (2006.01) C08K 5/3435 (2006.01) C08K 5/37 (2006.01) C08K 5/375 (2006.01) C09K 5/04 (2006.01) C10M 129/76 (2006.01) C10M 133/08 (2006.01) C10M 133/16 (2006.01) C10M 135/24 (2006.01)
Patent
CA 2001241
A-17278/+ Phenol group-containing compounds as anti-oxidants in organic materials Abstract Compositions containing a) an organic material subject to oxidative, thermal or actinic degradation and b) compounds of general formula I Image (I), wherein, for example, R1 is alkyl having from 1 to 18 carbon atoms, cycloalkyl having from 5 to 12 carbon atoms, phenyl or aralkyl having from 7 to 9 carbon atoms, R2 is -H, alkyl having from 1 to 18 carbon atoms, cycloalkyl having from 5 to 12 carbon atoms, phenyl or aralkyl having from 7 to 9 carbon atoms, and R3 is -H or CH3, and n is a number from 1 to 4 or 6, and, when n is 1, A is -OR4 or Image , and, for example, R4 is -H, alkyl having from 1 to 45 carbon atoms, cycloalkyl having from 5 to 12 carbon atoms or alkenyl having from 2 to 18 carbon atoms, and each of R5 and R6, independently of the other, is -H, alkyl having from 1 to 20 carbon atoms, phenyl or cycloalkyl having from 5 to 12 carbon atoms, or, when n is 2, for example A is -O-CxH2x-O-, -O-(CH2CH2O)aCH2CH2O-, -O-CH2-CH2-B-CH2CH2O-, Image , Image , Image , -O-CH2CH=CHCH2-O-, -O-CH2C=CCH2-O-, Image or Image wherein a is a number from 1 to 30, x is a number from 2 to 20, B is, for example, -S-, and R7 and R8 are as defined above and b1 is a number from 2 to 10, or, when n is 3, A is Image , or, when n is 4, A is Image , Image or Image or, when n is 6, A is Image The compounds exhibit anti-oxidative properties in the compositions. Some of the compounds are novel.
Ag Ciba-Geigy
Evans Samuel
Fetherstonhaugh & Co.
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