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Home › Lubricating oil compositions containing overbased calcium sulfonates and metal salts of alkyl catechol dithiophosphoric acid

Lubricating oil compositions containing overbased calcium sulfonates and metal salts of alkyl catechol dithiophosphoric acid

US Patent 4668409 · Granted May 26, 1987

Estimated economic value: $28,221,000 ⓘ

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