Modified terpolymer dispersant - VI improver
Patent
·
OSTI ID:6540492
Lubricating oil additives having both dispersant and viscosity index improving properties are prepared by reacting terpolymers of ethylene, a C/sup 3/ to C/sup 8/ alpha-olefin, and a non-conjugated diene with maleic anhydride and certain polyamines.
- Assignee:
- Shell Oil Co
- Patent Number(s):
- US 4235731
- OSTI ID:
- 6540492
- Country of Publication:
- United States
- Language:
- English
Similar Records
Succinimide lubricating oil dispersant
Haze-free polymer additives for fuels and lubricants
Ethylene polymer useful as a lubricating oil viscosity modifier E-25
Patent
·
Tue Aug 11 00:00:00 EDT 1987
·
OSTI ID:6105979
Haze-free polymer additives for fuels and lubricants
Patent
·
Mon Nov 16 23:00:00 EST 1987
·
OSTI ID:5889859
Ethylene polymer useful as a lubricating oil viscosity modifier E-25
Patent
·
Tue May 19 00:00:00 EDT 1987
·
OSTI ID:6390786