Lubricant composition containing a dispersant which is a condens

Details Lubricant composition containing a dispersant which is a condens Lubricant composition containing a dispersant which is a condens

1976-11-15

1978-10-17

Gantz, Delbert E.

Compositions

Electrolytes for electrical devices

260879, C10M 136, C10M 330

Patent

active

041208030

ABSTRACT:
Mono-alkenes, aliphatic conjugated dienes and unsaturated fatty acids or esters thereof copolymerize with a Friedel-Crafts catalyst to yield a copolymer containing carboxylic acid or ester groups which are reacted with a polyamine to amidate the carboxyl group leaving free amine groups. The free amine groups are reacted with polycarboxylic acids to form inter- and intra-molecular bridged polyamides. These compounds are effective ashless dispersants in lubricating oil and have detergency properties in distillate fuels.

REFERENCES:
patent: 2568876 (1951-09-01), White et al.
patent: 2908649 (1959-10-01), Cunningham et al.
patent: 3216936 (1965-11-01), Le Suer
patent: 3373111 (1968-03-01), Le Suer et al.
patent: 3374174 (1968-03-01), Le Suer
patent: 3455827 (1969-07-01), Mehmedbasich
patent: 3539603 (1970-11-01), Clough

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