Macrocyclic polyamide and polycyclic polyamine multifunctional f

Details Macrocyclic polyamide and polycyclic polyamine multifunctional f Macrocyclic polyamide and polycyclic polyamine multifunctional f

1992-10-28

1994-06-28

Springer, David B.

Fuel and related compositions

Liquid fuels

Heterocyclic carbon compound containing a hetero ring having...

540474, 544242, 44329, 44335, C10L 122

Patent

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.

REFERENCES:
patent: 2802770 (1957-08-01), Monroe et al.
patent: 2813862 (1957-11-01), Arens
patent: 3251853 (1966-05-01), Hoke
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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