| 摘要 |
1519743 Fuels: lubricants LUBRIZOL CORP 10 Sept 1976 [15 Sept 1975] 37647/76 Headings C5F and C5G [Also in Division C3] A fuel or lubricant composition contains a major proportion of a normally liquid fuel or lubricating oil of lubricating viscosity and a minor proportion of a compound providing detergency/dispersancy properties and having (a) at least one hydroxyl substituent bonded directly to a carbon atom of an aromatic moiety Ar, (b) at least one hydrocarbonbased substituent of at least 70 aliphatic carbon atoms bonded directly to a carbon atom of the aromatic moiety Ar, and (c) at least one methylol substituent bonded directly to a carbon atom of the aromatic moiety Ar, the methylol substituent(s) optionally being substituted with a lower hydrocarbon-based substituent (see Division C3). |
