C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
253/128, 400/202
C10M 143/00 (2006.01) C08F 8/34 (2006.01) C10M 143/10 (2006.01) C10M 143/12 (2006.01)
Patent
CA 2001210
Lubricating oil composition comprising a major proportion of a mineral lubricating oil and, as viscosity index improver, a hydrogenated block copolymer or olefin copolymer functionalised by the presence of carboxyl groups attached to the polymer chain by a sulphonamido linkage. As novel products, carboxyl functionalised hydrogenated polyalkadienes and star copolymers.
Bates Terence W.
Van Zon Arie
Shell Canada Limited
Smart & Biggar
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