Global Patent Index - EP 1394241 A1

EP 1394241 A1 20040303 - Cyclic thioureas as additives for lubricating oils

Title (en)

Cyclic thioureas as additives for lubricating oils

Title (de)

Cyclische Thioharnstoffe als Zusatz für Schmieröle

Title (fr)

Thioureas comme additifs pour huiles lubrifiantes

Publication

EP 1394241 A1 20040303 (EN)

Application

EP 03254689 A 20030728

Priority

US 40154002 P 20020807

Abstract (en)

A composition comprising: (a) from 0.1% to 20% of at least one cyclic thiourea compound of formula I: <CHEM> wherein W is O or S; R<1> and R<2> independently are hydrogen, alkyl, alkenyl, aryl or aralkyl; R<3> and R<4> independently are hydrogen, alkyl, alkenyl, aryl or aralkyl, or R<3> and R<4> groups combine with ring carbon atoms to which they are attached to form a five- to seven-membered heterocyclic ring; and (b) a lubricating oil.

IPC 1-7

C10M 135/16

IPC 8 full level

C10M 135/32 (2006.01); C10M 105/24 (2006.01); C10M 107/04 (2006.01); C10M 135/16 (2006.01); C10M 135/36 (2006.01); C10N 30/06 (2006.01); C10N 30/10 (2006.01); C10N 30/12 (2006.01)

CPC (source: EP US)

C10M 105/24 (2013.01 - EP US); C10M 107/04 (2013.01 - EP US); C10M 135/16 (2013.01 - EP US); C10M 135/36 (2013.01 - EP US); C10M 2205/143 (2013.01 - EP US); C10M 2205/163 (2013.01 - EP US); C10M 2207/1253 (2013.01 - EP US); C10M 2219/09 (2013.01 - EP US); C10M 2219/102 (2013.01 - EP US); C10N 2010/04 (2013.01 - EP US); C10N 2030/06 (2013.01 - EP US); C10N 2030/10 (2013.01 - EP US); C10N 2030/12 (2013.01 - EP US); C10N 2050/023 (2020.05 - EP US)

Citation (search report)

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

US 2004029743 A1 20040212; EP 1394241 A1 20040303; JP 2004162027 A 20040610

DOCDB simple family (application)

US 63611103 A 20030807; EP 03254689 A 20030728; JP 2003287826 A 20030806