EP 1541665 A1 20050615 - Power transmission fluids with improved friction characteristics
Title (en)
Power transmission fluids with improved friction characteristics
Title (de)
Kraftübertragungsflüssigkeiten mit verbesserten Ribungeigenschaften
Title (fr)
Fluides de transmission avec des caractéristiques de frottement améliorées
Publication
Application
Priority
US 73180003 A 20031209
Abstract (en)
Reaction products of maleic and/or succinic acids or anhydrides and primary aliphatic amines are disclosed as effective in reducing the static friction in power transmission fluids.
IPC 1-7
IPC 8 full level
C10M 133/16 (2006.01); C10M 169/04 (2006.01); C10M 133/56 (2006.01); C10M 137/16 (2006.01); C10M 141/06 (2006.01); C10N 30/06 (2006.01); C10N 40/04 (2006.01)
CPC (source: EP US)
C10M 133/16 (2013.01 - EP US); C10M 2203/1006 (2013.01 - EP US); C10M 2207/123 (2013.01 - EP US); C10M 2215/02 (2013.01 - EP US); C10M 2215/04 (2013.01 - EP US); C10M 2215/08 (2013.01 - EP US); C10M 2215/086 (2013.01 - EP US); C10M 2215/24 (2013.01 - EP US); C10M 2215/26 (2013.01 - EP US); C10M 2215/28 (2013.01 - EP US); C10N 2030/06 (2013.01 - EP US); C10N 2040/04 (2013.01 - EP US); C10N 2040/042 (2020.05 - EP US); C10N 2040/044 (2020.05 - EP US); C10N 2040/046 (2020.05 - EP US)
C-Set (source: EP US)
Citation (search report)
- [X] US 2669555 A 19540216 - GIAMMARIA JOHN J
- [X] US 2971910 A 19610214 - CALBOUN GEORGE M
- [X] US 6613722 B1 20030902 - WATTS RAYMOND F [US], et al
- [X] WO 9517490 A1 19950629 - EXXON CHEMICAL PATENTS INC [US]
- [X] EP 1233054 A1 20020821 - ETHYL CORP [US]
Citation (examination)
US 4396516 A 19830802 - KINOSHITA HIROTSUGU [JP], et al
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1541665 A1 20050615; AU 2004237832 A1 20050623; AU 2004237832 B2 20100128; CA 2489622 A1 20050609; CA 2489622 C 20140128; CN 103131522 A 20130605; CN 1637123 A 20050713; JP 2005171254 A 20050630; JP 4939747 B2 20120530; US 2005124507 A1 20050609
DOCDB simple family (application)
EP 04257486 A 20041201; AU 2004237832 A 20041209; CA 2489622 A 20041209; CN 200410098566 A 20041209; CN 201210567592 A 20041209; JP 2004356843 A 20041209; US 73180003 A 20031209