C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
253/89, 260/628.
C07C 323/12 (2006.01) C10M 135/24 (2006.01)
Patent
CA 1340293
Compounds of the formula (see fig. I) in which R1 and R2 are identical or different and are tert-C4 to tert-C7alkyl, C5 to C10cycloalkyl or pinane-10-yl, and Q is -S-, -S-S-, -S-CH2-S- or -S-CH2-CH2-S-, and compositions which comprise a functional fluid of the series of lubricants, hydraulic fluids or metalworking fluids and at least one compound of the formula I. The compositions may be employed especially in the lubrication system of diesel and spark-ignition engines and they reduce especially the wear on the cams of the camshafts and on the tappets of the valve train.
602279
Friedrich Hans-Helmut
Muller Klaus
Wirth Hermann O.
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
Friedrich Hans-Helmut
Muller Klaus
Wirth Hermann O.
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