C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
253/92, 260/523.
C07C 323/58 (2006.01) C07C 323/52 (2006.01) C07C 323/60 (2006.01) C07C 327/22 (2006.01) C07C 327/30 (2006.01) C10M 135/00 (2006.01) C10M 135/26 (2006.01)
Patent
CA 2034891
Lubricants are stabilized against oxidative degradation by the incorporation therein of hydroxylamines substituted with thioalkanoic acid residues of the formula Image (I) wherein R and R1 are independently H, alkyl or aryl, X is independently OR2, SR2 or NR3R4 wherein R2 is H, alkyl, cycloalkyl or aralkyl, and R3 and R4 are independently H, alkyl or aryl and n is 1 or 2.
Chasan David
Evans Samuel
Seltzer Raymond
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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