C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
253/110, 402/45,
C08F 8/28 (2006.01) C08F 8/00 (2006.01) C08F 8/32 (2006.01) C10L 1/22 (2006.01) C10L 1/24 (2006.01) C10M 145/20 (2006.01) C10M 159/16 (2006.01)
Patent
CA 2034694
The present invention is directed to oil-soluble lubricating oil additives comprising Mannich Base condensates of an alkyl substituted hydroxy aromatic compound with formaldehyde and an amine, wherein the alkyl- moiety of the aromatic compounds is derived from at least one ethylene alpha-olefin copolymer of greater or above 20,000 to about 500,000 number average molecular weight, wherein at least about 30% of the polymer's chains contain terminal ethenylidene unsaturation. The Mannich Base condensates of this invention are useful as multifunctional viscosity index improvers for oleaginous compositions, particularly lubricating oil compositions.
Gutierrez Antonio
Lundberg Robert Dean
Song Won R.
Borden Ladner Gervais Llp
Exxonmobil Chemical Patents Inc.
Gutierrez Antonio
Lundberg Robert Dean
Song Won R.
LandOfFree
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