Metal salt fuel additive stabilized with a thiadiazole

Details Metal salt fuel additive stabilized with a thiadiazole Metal salt fuel additive stabilized with a thiadiazole

1993-03-05

1994-01-04

McAvoy, Ellen M.

Fuel and related compositions

Liquid fuels

Heterocyclic carbon compound containing a hetero ring having...

44358, 44363, C10L 124

Patent

active

052756300

ABSTRACT:
A two component additive and a liquid hydrocarbon based fuel composition, containing the additive are disclosed. The fuel composition is comprised of a major amount of a liquid hydrocarbon diesel fuel and a minor fuel efficiency improving amount of the additive. The additive is composed of: (A) an overbased transition metal salt of a carboxylic acid; and (B) a compound represented by the general formula II: ##STR1## wherein R.sub.1 and R.sub.2 are independently hydrocarbyl. The additive may include a third component (C) which is a hydrocarbon-soluble ashless dispersant. The dispersant (C) is preferably a derivative of a substituted succinic acid wherein the hydrocarbyl substituent is derived from a polyalkylene characterized by a Mn value of about 500 to about 10,000 and a Mw/Mn value of about 1.0 to about 4.0.

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