Compositions – Electrolytes for electrical devices
Patent
1990-12-11
1992-02-18
Howard, Jacqueline V.
Compositions
Electrolytes for electrical devices
252 39, 252 25, 252 333, 252 377, C10M13510
Patent
active
050891553
ABSTRACT:
Overbased magnesium sulphonates having increased resistance to interactions are prepared from sulphonic acids prepared from alkylates with long and medium chain alkyl groups. Compositions comprising such overbased magnesium sulphonate are particularly suitable for use in combination with high molecular weight dispersants and/or friction modifiers. Stable sediment-free lubricating oil compositions (including lubricants and concentrates therefor) can be prepared which can meet SG quality and the Tier II fuel economy requirements.
REFERENCES:
patent: 3772198 (1973-11-01), Cease et al.
patent: 3857790 (1974-12-01), Saunders et al.
patent: 3865737 (1975-02-01), Kemp
patent: 4140642 (1979-02-01), Kistler et al.
Hamey Graham W.
Marsh John F.
Vernet Marc R. M.
Exxon Chemical Patents Inc.
Howard Jacqueline V.
Murray, Jr. J. B.
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