Macrocyclic polyamine and polycyclic polyamine multifunctional l

Details Macrocyclic polyamine and polycyclic polyamine multifunctional l Macrocyclic polyamine and polycyclic polyamine multifunctional l

1991-07-29

1992-11-10

Springer, David B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Unsubstituted hydrocarbyl chain between the ring and the -c-...

544242, 544296, C07D25702, C07D25502, C07D23704

Patent

active

051625261

ABSTRACT:
There are disclosed macrocyclic and polycyclic polyamide 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:
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patent: 3219666 (1965-11-01), Norman et al.
patent: 3254025 (1966-05-01), LeSuer et al.
patent: 3341542 (1967-09-01), LeSuer et al.
patent: 3977981 (1976-08-01), Dunlop et al.
patent: 4144181 (1979-03-01), Elliott et al.

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