Macrocyclic polyamide and polycyclic polyamine multifunctional f

Fuel and related compositions – Liquid fuels – Heterocyclic carbon compound containing a hetero ring having...

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540474, 544242, 44329, 44335, C10L 122

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active

053243340

ABSTRACT:
There are disclosed macrocyclic and polycyclic polyamine lubricating oil additives formed by cyclodehydration of reaction products of hydrocarbon substituted succinic anhydrides or carboxylic acids with poly 3-amino propyl compounds or by acylation of macrocyclic polyamines and polycyclic polyamines with hydrocarbon substituted succinic anhydride or carboxylic acids. These compounds are useful as dispersants and dispersants-V.I. improvers in both gasoline and diesel engine lubricating oil compositions and are also useful fuel additives.

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patent: 4003718 (1977-01-01), Gattuso
patent: 4054422 (1977-10-01), Garth
patent: 4880923 (1989-11-01), Brois et al.
patent: 5162049 (1992-11-01), Bostick et al.
patent: 5162526 (1992-11-01), Brois et al.

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