N-substituted succinimides, their preparation and use as motor fuel additives

Patent · Tue Dec 27 04:00:00 EST 1983

OSTI ID:6714781

Maldonado, P; Cohen, C; Sillion, B

N-substituted succinimides are obtained by reacting in a first stage, maleic anhydride with an oxyalkylated or polyoxyalkylated monoalcohol of formula R/sup 1/-(-O-A-)- /SUB n/ OH wherein R/sup 1/ is an aliphatic radical having from 12 to 25 carbon atoms, A is an alkylene radical having 2 to 4 carbon atoms and n is an integer from 1 to 50, and by further reacting the reaction product of the first stage either with a monoprimary amine of formula R/sup 2/-(-X-Z-)- /SUB m/ NH/sub 2/ or a bi-primary amine of the formula H/sub 2/N-(-Z-NH-)- /SUB p/ H, wherein R/sup 2/ is an aliphatic radical having from 8 to 25 carbon atoms, Z is an alkylene radical having from 2 to 4 carbon atoms, X is -NH- or -O-, m is an integer from 0 to 4 and p an integer from 2 to 6. The resultant succinimides are useful as anti-rust and detergent additives for motor fuels.

• Assignee: Institut Francais du Petrole (France) Elf-France (France)
• Patent Number(s): US 4422856
• OSTI ID: 6714781
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020500* -- Petroleum-- Products & By-Products
ADDITIVES
ALCOHOLS
ALKYL RADICALS
ALKYLATION
AMINES
ANHYDRIDES
AUTOMOTIVE FUELS
CARBOXYLIC ACIDS
CHEMICAL PREPARATION
CHEMICAL REACTIONS
CORROSION INHIBITORS
DETERGENTS
DICARBOXYLIC ACIDS
EMULSIFIERS
FUEL ADDITIVES
FUELS
HYDROXY COMPOUNDS
IMIDES
MALEIC ACID
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
RADICALS
SUCCINIC ACID
SURFACTANTS
SYNTHESIS
WETTING AGENTS