C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
253/124, 44/31,
C07C 323/20 (2006.01) C07G 99/00 (2009.01) C10L 1/24 (2006.01) C10M 105/16 (2006.01) C10M 129/14 (2006.01) C10M 135/30 (2006.01)
Patent
CA 2021225
Case EI-6004 SULFUR-BRIDGED PHENOLIC ANTIOXIDANTS Abstract A liquid, sulfur-bridged, hindered phenol antioxidant composition is prepared by reacting a mixture of hindered phenols with a sulfur chloride in the presence of a polar modifier. The composition is an effective antioxidant in lubricating oils without causing excessive copper corrosion.
Lam William Yuk-Lun
Liesen Gregory Peter
Ethyl Petroleum Additives Inc.
Macrae & Co.
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