C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/44, 253/69
C08G 8/36 (2006.01) C10M 159/16 (2006.01)
Patent
CA 1041247
ABSTRACT OF THE DISCLOSURE A dispersant-antiwear lubricating oil additive is made by reacting a high molecular weight hydrocarbon-substituted phenol with aldehyde and ammonia or amines having a reactive hydrogen atom to form a Mannich condensation product which is reacted with an alkylene oxide and P2S5 to form the additive.
233199
Corporation Ethyl
Na
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