C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 159/16 (2006.01) C08F 8/28 (2006.01) C08F 8/32 (2006.01)
Patent
CA 2201778
The present invention is directed to lubricating oil and fuel dispersants comprising hydroxy aromatic succinimide Mannich Base condensates of heavy polyamine. A heavy polyamine is a mixture of polyalkylenepolyamines comprising small amounts of lower polyamine oligomers such as tetraethylene pentamine and pentahexamine but primarily oligomers with 7 or more nitrogens, 2 or more primary amines per molecule, and more extensive branching than conventional polyamine mixtures.
L'invention concerne des dispersants de carburant et d'huile lubrifiante comprenant des condensats de base de Mannich de succinimide aromatique hydroxy de polyamine lourde. Une polyamine lourde est un mélange de polyalkylènepolyamines comprenant de petites quantités d'oligomères inférieurs de polyamine, tels que tétraéthylène pentamine et pentahexamine, mais, en premier lieu, des oligomères comportant au moins 7 azotes, au moins 2 amines primaires par molécule et une ramification plus importante que les mélanges classiques de polyamine.
Borden Ladner Gervais Llp
Exxon Chemical Patents Inc.
LandOfFree
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