C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
400/9131, 400/91
C08K 5/25 (2006.01) C08K 5/30 (2006.01) C08K 5/372 (2006.01)
Patent
CA 1121380
Case 3-10904/GC 805/+ Canada Hindered phenol hydrazones and compositions stabilized therewith Abstract of the Disclosure Hindered phenol hydrazones of the formula Image wherein R1 and R2 are alkyl of 1 to 8 carbons or R1 can also be hydrogen, n is 1 to 6, R' is hydrogen or alkyl, R3 is alkyl, phenyl, substituted phenyl, alkylenethioalkyl or alkylenethioether ester of a carboxylic acid or a group Image where T is a direct bond, alkylene, sulfur or oxygen interrupted alkylene or phenylene, said compounds being useful as diene rubber stabilizers.
293996
Dexter Martin
Steinberg David H.
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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