EP 0082574 B1 19850717 - DISPERSANT-VISCOSITY INDEX IMPROVER PRODUCT
Title (en)
DISPERSANT-VISCOSITY INDEX IMPROVER PRODUCT
Publication
Application
Priority
- US 33269081 A 19811221
- US 33269281 A 19811221
Abstract (en)
[origin: EP0082574A2] Lubricating oil additives having both dispersant and viscosity index-improving properties comprise a poly(polyalkenyl aromatic)nucleus, at least three hydrogenated conjugated diene homopolymer or copolymer arms linked to the nucleus, and at least one polymerized nitrogen containing polar compound arm linked to the nucleus.
IPC 1-7
IPC 8 full level
C10M 149/06 (2006.01); C10M 149/10 (2006.01); C10M 151/02 (2006.01)
CPC (source: EP)
C10M 143/10 (2013.01); C10M 143/12 (2013.01); C10M 149/06 (2013.01); C10M 149/10 (2013.01); C10M 151/02 (2013.01); C10M 2205/04 (2013.01); C10M 2205/06 (2013.01); C10M 2217/024 (2013.01); C10M 2217/028 (2013.01); C10M 2217/06 (2013.01); C10M 2221/02 (2013.01)
Designated contracting state (EPC)
BE DE FR GB NL
DOCDB simple family (publication)
EP 0082574 A2 19830629; EP 0082574 A3 19830803; EP 0082574 B1 19850717; CA 1205590 A 19860603; DE 3264798 D1 19850822
DOCDB simple family (application)
EP 82201623 A 19821217; CA 417246 A 19821208; DE 3264798 T 19821217