C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
44/30, 253/90, 2
C07C 323/20 (2006.01) C10L 1/14 (2006.01) C10L 1/18 (2006.01) C10L 1/24 (2006.01) C10M 135/02 (2006.01) C10M 135/30 (2006.01)
Patent
CA 2030215
ABSTRACT OF THE DISCLOSURE A partially sulfurized, phenolic antioxidant having good copper corrosion properties is prepared by reacting a liquid mixture of phenols, which mixture includes at least one reactive, hindered phenol, with sulfur chloride in proportions to provide from about 0.3 to 0.7 gram atoms of sulfur per mole of reactive phenol.
Lam William Y.
Liesen Gregory P.
Ethyl Petroleum Additives Inc.
Lam William Y.
Liesen Gregory P.
Macrae & Co.
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