Global Patent Index - EP 2292722 A1

EP 2292722 A1 20110309 - Method of operating internal combustion engine by introducing detergent into combustion chamber

Title (en)

Method of operating internal combustion engine by introducing detergent into combustion chamber

Title (de)

Verfahren zum Betrieb einer Brennkraftmaschine durch Einführung von Detergentien in der Brennkammer

Title (fr)

Procédé de fonctionnement de moteur à combustion interne par l'introduction de détergent dans une chambre de combustion

Publication

EP 2292722 A1 20110309 (EN)

Application

EP 10178930 A 20030328

Priority

  • EP 03721631 A 20030328
  • US 36835402 P 20020328
  • US 44101203 P 20030117

Abstract (en)

In a method operating an internal combustion engine, a nitrogen-containing detergent composition is introduced into a combustion chamber of the engine wherein the detergent composition can improve the performance of both a fuel composition and a lubricating oil of the engine. The detergent composition contains (A) a reaction product of a hydrocarbyl-substituted acylating agent and an amine and, optionally, one or more components taken from (B) a hydrocarbyl-substituted amine, (C) a Mannich reaction product and (D) a high molecular weight polyetheramine.

IPC 8 full level

C10M 163/00 (2006.01); F02M 25/00 (2006.01); C10L 1/22 (2006.01); C10M 167/00 (2006.01); C11D 7/32 (2006.01); F02D 19/12 (2006.01); F02M 25/07 (2006.01); F02M 37/00 (2006.01); C10L 1/18 (2006.01); C10N 30/04 (2006.01); C10N 40/25 (2006.01)

CPC (source: EP KR)

C10L 1/22 (2013.01 - KR); C10L 1/221 (2013.01 - EP); C10L 10/18 (2013.01 - EP); C10M 163/00 (2013.01 - EP KR); C10M 167/00 (2013.01 - EP); C10L 1/1985 (2013.01 - EP); C10L 1/222 (2013.01 - EP); C10L 1/224 (2013.01 - EP); C10L 1/2387 (2013.01 - EP); C10M 2215/042 (2013.01 - EP); C10M 2215/102 (2013.01 - EP); C10M 2215/28 (2013.01 - EP); C10M 2217/043 (2013.01 - EP); C10M 2217/06 (2013.01 - EP); C10N 2030/04 (2013.01 - EP); C10N 2040/25 (2013.01 - EP KR); C10N 2040/252 (2020.05 - EP); C10N 2040/255 (2020.05 - EP)

Citation (applicant)

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 03083020 A2 20031009; WO 03083020 A3 20040122; AU 2003224933 A1 20031013; AU 2003224933 B2 20080508; BR 0304226 A 20040713; CA 2480644 A1 20031009; EP 1490461 A2 20041229; EP 2292722 A1 20110309; JP 2005521824 A 20050721; JP 2010196071 A 20100909; JP 4546093 B2 20100915; KR 100984581 B1 20101018; KR 20050006136 A 20050115

DOCDB simple family (application)

US 0311199 W 20030328; AU 2003224933 A 20030328; BR 0304226 A 20030328; CA 2480644 A 20030328; EP 03721631 A 20030328; EP 10178930 A 20030328; JP 2003580457 A 20030328; JP 2010121021 A 20100526; KR 20047015272 A 20030328