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
Application
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
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)
- [XY] US 3939084 A 19760217 - SULLIVAN JAMES D
- [Y] US 4189587 A 19800219 - HOLT BRIAN [GB], et al
- [DY] WO 0053703 A1 20000914 - UNIROYAL CHEM CO INC [US]
- [Y] US 3901815 A 19750826 - REALE JR JOHN
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