EP 0406894 A1 19910109 - Diurea grease composition.
Title (en)
Diurea grease composition.
Title (de)
Diharnstoff-Schmierfettzusammensetzung.
Title (fr)
Composition de graisse à base de diurée.
Publication
Application
Priority
- JP 15533890 A 19900615
- JP 17408489 A 19890707
Abstract (en)
A diurea grease composition contains a base oil and 2 to 25 wt.%, based on the total weight of the composition, of a diurea compound, the diurea grease compound being produced by reacting a mixed system of two or more different diisocyanates represented by the formula (I) OCN-R-NCO wherein R stands for a straight-chained or branched alkylene group, a straight-chained or branched alkenylene group, a cycloalkylene group or an aromatic group, with an amine compound of a primary amine represented by the formula (II) R1-NH2 wherein R1 stands for a hydrocarbon residue having 6 to 20 carbon atoms, a secondary amine represented by the formula (III) <CHEM> wherein R2 and R3 each stand for hydrocarbon residues having 6 to 20 carbon atoms, or mixtures thereof.
IPC 1-7
IPC 8 full level
C10M 115/08 (2006.01); C10M 121/04 (2006.01); C10N 30/08 (2006.01); C10N 40/02 (2006.01); C10N 50/10 (2006.01)
CPC (source: EP)
C10M 115/08 (2013.01); C10M 2201/103 (2013.01); C10M 2201/105 (2013.01); C10M 2205/026 (2013.01); C10M 2205/04 (2013.01); C10M 2207/40 (2013.01); C10M 2207/404 (2013.01); C10M 2209/084 (2013.01); C10M 2215/102 (2013.01); C10M 2215/22 (2013.01); C10M 2215/221 (2013.01); C10M 2215/225 (2013.01); C10M 2215/226 (2013.01); C10M 2215/30 (2013.01); C10M 2219/10 (2013.01); C10M 2219/102 (2013.01); C10M 2219/104 (2013.01); C10M 2219/106 (2013.01); C10M 2223/045 (2013.01); C10N 2010/04 (2013.01)
Citation (search report)
- [X] US 3374170 A 19680319 - HEDENBURG JOHN F, et al
- [X] US 3082170 A 19630319 - MCCARTHY PAUL R, et al
- [A] US 4115284 A 19780919 - KINOSHITA HIROTUGU, et al
- [A] US 4780231 A 19881025 - KINOSHITA HIROTUGU [JP], et al
- [A] US 4668411 A 19870526 - YASUI HIROYOSHI [JP], et al
- [XD] DATABASE JAPS; & JP-A-1 139 696 (SHOWA SHELL SEKIYU) 01-06-1989
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0406894 A1 19910109; EP 0406894 B1 19931222; DE 69005380 D1 19940203; DE 69005380 T2 19940505; JP 2777928 B2 19980723; JP H03128993 A 19910531
DOCDB simple family (application)
EP 90112952 A 19900706; DE 69005380 T 19900706; JP 15533890 A 19900615