Lactone modified mono-or dicarboxylic acid based adduct dispersant compositions
This patent describes a C{sub 5}-C{sub 9} lactone adduct material useful as an oil additive formed by reacting an aliphatic hydrocarbyl saturated or unsaturated, natural or synthetic, straight chain or branched chain monocarboxylic or dicarboxylic acylating agent heaving from about 1 to about 165 total carbon atoms with the reaction product of a C{sub 5}-C{sub 9} lactone with a member selected from the group consisting of a polyamine having from bout 2 to 60 total carbon atoms and from about 2 to about 12 nitrogen atoms, an amino alcohol containing up to about 50 total carbon atoms, from 1 to about 5 nitrogen atoms and from 1 to about 15 hydroxyl groups, and mixtures thereof. The aliphatic acylating agent having at least about twelve carbon atoms in said straight or branched chain to produce lactone adduct material that is hydrocarbon soluble.
- Assignee:
- Exxon Chemical Patents Inc., Linden, NJ
- Patent Number(s):
- A; US 4906394
- Application Number:
- PPN: US 6-916108A
- OSTI ID:
- 7183015
- Country of Publication:
- United States
- Language:
- English
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