EP 0894844 A1 19990203 - Fuel additive and fuel composition containing the additive
Title (en)
Fuel additive and fuel composition containing the additive
Title (de)
Brennstoffzusatz und den Zusatz enthaltende Brennstoffzusammensetzung
Title (fr)
Additif pour combustible et composition de combustible contenant l'additif
Publication
Application
Priority
JP 21906997 A 19970730
Abstract (en)
The present invention is directed to a fuel additive excellent in the cleanliness performance for the intake system and combustion chamber(s) of a gasoline engine and also to a fuel composition containing the additive. A fuel additive is described having as a principal component a polyoxyalkylene glycol having an average molecular weight of from 500 to 5,000 and represented by the following formula (1): HO-(AO)n-H wherein (AO)n represents a mixture of oxyethylene groups and oxypropylene groups or solely oxypropylene groups, the A representing an ethylene group or propylene group, and the n representing a positive integer, provided that the content of oxypropylene group(s) is 50 wt% or higher based on the total weight of the oxyalkylene groups and a fuel composition comprising a petroleum fraction as a principal component and 0.001 to 5 wt%, based on the whole weight of the fuel composition, of the fuel additive.
IPC 1-7
IPC 8 full level
C10L 1/06 (2006.01); C10L 1/14 (2006.01); C10L 1/182 (2006.01); C10L 1/185 (2006.01); C10L 1/198 (2006.01); C10L 10/00 (2006.01)
CPC (source: EP)
C10L 1/143 (2013.01); C10L 1/1985 (2013.01); C10L 10/04 (2013.01); C10L 10/06 (2013.01)
Citation (search report)
- [X] US 4548616 A 19851022 - SUNG RODNEY L [US], et al
- [X] US 3030939 A 19620424 - BRANDT PRESTON L, et al
- [X] FR 2096298 A5 19720211 - SHELL INT RESEARCH
- [X] GB 2261441 A 19930519 - ETHYL PETROLEUM ADDITIVES INC [US]
- [X] EP 0647700 A1 19950412 - ETHYL CORP [US]
- [X] EP 0654524 A2 19950524 - TONEN CORP [JP]
- [X] US 2425845 A 19470819 - TOUSSAINT WALTER J, et al
- [X] EP 0569228 A1 19931110 - ETHYL PETROLEUM ADDITIVES INC [US]
- [DX] DATABASE WPI Section Ch Week 9218, Derwent World Patents Index; Class A17, AN 92-146873, XP002084179
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
EP 0894844 A1 19990203; CA 2241518 A1 19990130; JP H1150068 A 19990223
DOCDB simple family (application)
EP 98306034 A 19980729; CA 2241518 A 19980730; JP 21906997 A 19970730