EP 0180848 A3 19870909 - CONCENTRATES OF VISCOSITY INDEX IMPROVERS FOR THE PREPARATION OF MULTIFUNCTIONAL OILS
Title (en)
CONCENTRATES OF VISCOSITY INDEX IMPROVERS FOR THE PREPARATION OF MULTIFUNCTIONAL OILS
Publication
Application
Priority
DE 3440196 A 19841103
Abstract (en)
[origin: EP0180848A2] The concentrates contain 2-40% by weight of the VI improver in a solution of a) 10-100% by weight of a mixture of araliphatic hydrocarbons having a boiling range at normal pressure between 250 and 450 DEG C and a mean molecular weight above 300, and b) 0-90% by weight of a saturated aliphatic oxygenated compound having 8-40 carbon atoms.
IPC 1-7
IPC 8 full level
C10M 143/06 (2006.01); C10M 143/12 (2006.01); C10M 163/00 (2006.01)
CPC (source: EP)
C10M 143/06 (2013.01); C10M 143/12 (2013.01); C10M 159/00 (2013.01); C10M 159/04 (2013.01); C10M 163/00 (2013.01); C10M 2203/06 (2013.01); C10M 2203/10 (2013.01); C10M 2203/102 (2013.01); C10M 2203/104 (2013.01); C10M 2203/106 (2013.01); C10M 2203/108 (2013.01); C10M 2205/00 (2013.01); C10M 2205/026 (2013.01); C10M 2205/06 (2013.01); C10M 2209/084 (2013.01); C10M 2227/00 (2013.01)
Citation (search report)
- [A] US 4077893 A 19780307 - KIOVSKY THOMAS E
- [A] FR 2298597 A1 19760820 - LUBRIZOL CORP [US]
- [A] US 4082680 A 19780404 - MITACEK BILL
- [A] GB 2127431 A 19840411 - EXXON RESEARCH ENGINEERING CO
Designated contracting state (EPC)
BE DE FR GB IT NL
DOCDB simple family (publication)
EP 0180848 A2 19860514; EP 0180848 A3 19870909; DE 3440196 A1 19860507
DOCDB simple family (application)
EP 85113422 A 19851023; DE 3440196 A 19841103