Method and fuel composition for control or reversal of octane requirement increase and for improved fuel economy
Patent
·
OSTI ID:6773074
The control or reversal of octane requirement increase phenomenon together with improved fuel economy in a spark ignition internal combustion engine is achieved by introducing with the combustion charge a fuel composition containing an octane requirement increase-inhibiting amount of (A) certain oil soluble aliphatic polyamines and (B) certain low molecular weight polymers and/or copolymers of monoolefins having up to 6 carbon atoms, in certain ratio.
- Assignee:
- Shell Oil Co
- Patent Number(s):
- US 4357148
- OSTI ID:
- 6773074
- Resource Relation:
- Patent File Date: Filed date 13 Apr 1981; Other Information: PAT-APPL-253344
- Country of Publication:
- United States
- Language:
- English
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