EP 0639632 B1 19980422 - Use of an additive for lead-free, spark-ignited internal combustion engine fuels for reducing valve seat recession.
Title (en)
Use of an additive for lead-free, spark-ignited internal combustion engine fuels for reducing valve seat recession.
Title (de)
Verwendung eines Additivs für unverbleite Ottokraftstoffe zur Verhinderung von Ventilsitzverschleiss.
Title (fr)
Utilisation d'un additif pour combustibles sans plomb pour moteurs à combustion interne à allumage commandé pour réduire l'érosion du siège de soupape.
Publication
Application
Priority
AT 163693 A 19930817
Abstract (en)
[origin: EP0639632A1] A novel anti-wear additive to unleaded internal combustion engine fuels (petrols) contains at least one alkali metal salt or alkaline earth metal salt of an alkyl sulphosuccinate in combination with a detergent and, if appropriate, with other fuel additives known per se.
IPC 1-7
IPC 8 full level
C10L 10/00 (2006.01); C10L 1/14 (2006.01); C10L 1/24 (2006.01); C10L 10/04 (2006.01); C10L 1/22 (2006.01)
CPC (source: EP)
C10L 1/143 (2013.01); C10L 1/2437 (2013.01); C10L 10/02 (2013.01); C10L 10/08 (2013.01); C10L 1/2383 (2013.01)
Designated contracting state (EPC)
AT BE CH DE DK FR GB GR IE IT LI MC NL SE
DOCDB simple family (publication)
EP 0639632 A1 19950222; EP 0639632 B1 19980422; AT 400149 B 19951025; AT A163693 A 19950215; AT E165389 T1 19980515; CZ 198594 A3 19950315; CZ 285397 B6 19990811; DE 59405767 D1 19980528; DK 0639632 T3 19990215; HU 214907 B 19980728; HU 9402368 D0 19941128; HU T69325 A 19950928; SI 0639632 T1 19980831; SK 280988 B6 20001009; SK 97094 A3 19950308
DOCDB simple family (application)
EP 94890107 A 19940621; AT 163693 A 19930817; AT 94890107 T 19940621; CZ 198594 A 19940817; DE 59405767 T 19940621; DK 94890107 T 19940621; HU 9402368 A 19940816; SI 9430135 T 19940621; SK 97094 A 19940815