EP 3921392 A1 20211215 - CLEAN-BURNING GASOLINE ADDITIVE TO ELIMINATE VALVE SEAT RECESSION AND TOXIC DEPOSITS
Title (en)
CLEAN-BURNING GASOLINE ADDITIVE TO ELIMINATE VALVE SEAT RECESSION AND TOXIC DEPOSITS
Title (de)
SAUBERBRENNENDER BENZINZUSATZ ZUR BESEITIGUNG VON VENTILSITZVERSCHLEISS UND TOXISCHEN ABLAGERUNGEN
Title (fr)
ADDITIF POUR ESSENCE À COMBUSTION PROPRE PERMETTANT D'ÉLIMINER UNE USURE DE SIÈGE DE SOUPAPE ET DES DÉPÔTS TOXIQUES
Publication
Application
Priority
- US 201862771292 P 20181126
- US 2019063353 W 20191126
Abstract (en)
[origin: US2020165534A1] A fuel additive for fuel formulations comprising calcium sulfonates in an amount effective to limit or eliminate valve seat recession in engines utilizing such fuel formulations. The fuel additive may also include a detergent, particularly in an amount to enhance the VSR limiting effect of the calcium sulfonates. Also included are fuel formulations containing calcium sulfonates in a concentration effective to limit vale seat recession in engines utilizing the fuel formulations. Methods for treating VSR in piston engines are also provided.
IPC 8 full level
C10L 1/12 (2006.01); C10L 1/183 (2006.01); C10L 1/234 (2006.01); C10L 10/18 (2006.01)
CPC (source: EP US)
C10L 1/14 (2013.01 - EP); C10L 1/143 (2013.01 - EP); C10L 1/1832 (2013.01 - US); C10L 1/2468 (2013.01 - US); C10L 1/2493 (2013.01 - US); C10L 1/303 (2013.01 - US); C10L 10/04 (2013.01 - EP US); C10L 10/08 (2013.01 - EP); C10L 1/1608 (2013.01 - EP); C10L 1/1832 (2013.01 - EP); C10L 1/221 (2013.01 - EP); C10L 1/223 (2013.01 - EP); C10L 1/226 (2013.01 - EP); C10L 1/234 (2013.01 - EP); C10L 1/238 (2013.01 - EP); C10L 1/2437 (2013.01 - EP); C10L 1/303 (2013.01 - EP); C10L 2200/0213 (2013.01 - EP); C10L 2200/0423 (2013.01 - EP); C10L 2230/081 (2013.01 - EP US); C10L 2230/083 (2013.01 - EP US); C10L 2230/16 (2013.01 - EP US); C10L 2230/18 (2013.01 - EP US); C10L 2250/04 (2013.01 - US); C10L 2270/023 (2013.01 - EP US); C10L 2270/04 (2013.01 - EP US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
US 2020165534 A1 20200528; CA 3121161 A1 20200604; EP 3921392 A1 20211215; EP 3921392 A4 20230111; US 2023250349 A1 20230810; WO 2020112842 A1 20200604
DOCDB simple family (application)
US 201916696429 A 20191126; CA 3121161 A 20191126; EP 19888587 A 20191126; US 2019063353 W 20191126; US 202318300800 A 20230414