C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 163/00 (2006.01) C10M 135/08 (2006.01) C10M 137/10 (2006.01) C10M 159/12 (2006.01) C10M 167/00 (2006.01)
Patent
CA 2130035
MOTOR OIL COMPOSITIONS, ADDITIVE CONCENTRATES FOR PRODUCING SUCH MOTOR OILS, AND THE USE THEREOF Abstract Lubricants and additive concentrates comprising: (a) a dispersant made by reacting aminoguanidine or a basic salt thereof with an acyclic hydrocarbyl succinic acylating agent in a mole ratio of 0.4:1 to 1.3:1, respectively; b) a zinc dihydrocarbyl dithiophosphate in which at least 35 mol per- cent of the hydrocarbyl groups are secondary hydrocarbyl groups; and c) a basic calcium detergent additive complement exhibit excellent performance characteristics.
Nicholson Susan M.
Scattergood Roger
Ethyl Petroleum Additives Limited
Macrae & Co.
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