C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 77/26 (2006.01) C07F 7/08 (2006.01) C07F 7/21 (2006.01) C08G 77/388 (2006.01) C08K 5/54 (2006.01) C08K 5/544 (2006.01) C08L 83/08 (2006.01) C08L 101/00 (2006.01)
Patent
CA 2140707
New stabilizers of the formula (I) (I) Image in which m + n is a number from 1 to 100 and n varies from zero to 90 % of the sum of m + n, A is -O- or Image , where R6 is e.g. hydrogen or C1-C18alkyl, R1 and R4 which can be identical or different are C1-C8alkyl, phenyl, C1-C8alkoxy, OH, ONa or OK, R2 is C2-C12alkylene or also a direct bond if A is -O- and R1 and R4 are C1-C8alkyl or phenyl, R3 is C1-C18alkyl, C5-C12cycloalkyl, C2-C18alkenyl, C5-C12cycloalkenyl, C7-C12aralkyl, a saturated or unsaturated radical of a bicyclic or tricyclic C7-C12hydrocarbon or C6-C10aryl which is unsubstituted or substituted by C1-C8alkyl, R5 is hydrogen, C1-C18alkyl, C5-C12cycloalkyl or phenyl, X1 is as defined for R1 or is a group (R7)3SiO- with R7 being C1-C8alkyl, X2 is e.g. hydrogen, Na, K, C1-C8alkyl or a group (R7)3Si-, and, if m + n is a number from 3 to 10, X1 and X2 together can also be a direct bond.
Borzatta Valerio
Carrozza Primo
Ravichandran Ramanathan
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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