Reaction products of polyisobutenes and oxides of nitrogen or mi

Details Reaction products of polyisobutenes and oxides of nitrogen or mi Reaction products of polyisobutenes and oxides of nitrogen or mi

1998-11-05

1999-12-21

Howard, Jacqueline V.

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

Organic compounds

Amino nitrogen containing

44412, 44432, 564511, 508545, 508558, C07C20900

Patent

active

060051442

ABSTRACT:
Reaction products of polyisobutenes having an average degree of polymerization P of from 10 to 100 and a content E of from 60 to 90% of double bonds which can react with maleic anhydride, E=100% corresponding to the theoretical value for the case where each molecule of the polyisobutene has such a reactive double bond, with oxides of nitrogen or mixtures of oxides of nitrogen and oxygen, are suitable as additives for fuels, in particular for gasoline engines, and for lubricants.

REFERENCES:
patent: 2478243 (1949-08-01), Coe et al.
patent: 2811560 (1957-10-01), McKinnis
patent: 3328463 (1967-06-01), Lee
patent: 3576742 (1971-04-01), Honnen et al.
patent: 3681463 (1972-08-01), Lee
patent: 5879420 (1999-03-01), Kropp et al.

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