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U.S. Department of Energy
Office of Scientific and Technical Information

Deposit control additives and fuel compositions containing the same

Patent ·
OSTI ID:5356226
This patent describes a fuel composition comprising a major amount of a fuel and an additive which imparts intake valve deposit inhibiting properties to the fuel. It comprises a polyisobutenyl succinimide which is the reaction product of a polyisobutenyl succinic anhydride and a polyalkylene polyamine; a polymer of isobutylene; an ester which is an adipate, phthalate, isophthalate, terephthalate and trimellitate of iso-octanol, iso-nonanol, iso-decanol, or iso-tridecanol or mixture thereof, polyol ester of neopentyl glycol, pentaerythritol or trimethylol-propane with corresponding monocarboxylic acid, oligomer and polymer ester of dicarboxylic acid, polyol and monoalcohol; and a polyether which is a polymer or copolymer of ethylene oxide, propylene oxide, butylene oxide, pentene oxide, hexene oxide, octene oxide, decene oxide or isomer thereof.
Assignee:
Mobil Oil Corp., Fairfax, VA (United States)
Patent Number(s):
US 5089028; A
Application Number:
PPN: US 7-564909
OSTI ID:
5356226
Country of Publication:
United States
Language:
English