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1959-05-07 |
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1962-11-29 |
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1963-02-12 |
1966-11-01 |
Lubrizol Corp |
Carbonated bright stock sulfonates and lubricants containing them
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1963-03-18 |
1965-07-13 |
Lubrizol Corp |
Organic complexes
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1963-03-20 |
1966-03-22 |
Texaco Inc |
Hyperbasic metal complex
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1963-06-03 |
1966-05-10 |
Continental Oil Co |
Preparation of over-based sulfonate composition
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1963-11-15 |
1966-10-25 |
Exxon Research Engineering Co |
Stable colloidal dispersions of molybdenum sulfide
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1964-01-02 |
1967-04-18 |
Mobil Oil Corp |
Fuels and lubricants containing inclusion compounds
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1965-05-11 |
1968-06-25 |
Exxon Research Engineering Co |
Polyester additives for hydrocarbon oil compositions and process of preparing the same
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1965-12-28 |
1968-01-23 |
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1966-02-04 |
1968-05-21 |
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1966-04-12 |
1968-03-12 |
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Method of preparing overbased calcium sulfonate oil concentrates
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1972-11-06 |
1976-12-14 |
Bell & Howell Company |
Wide latitude toner
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1973-01-15 |
1975-10-21 |
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1976-04-27 |
Continental Oil Company |
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Bell & Howell Company |
Method of developing electrostatic images using wide latitude toner
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1976-04-29 |
1978-03-11 |
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1978-05-01 |
1980-03-11 |
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Overbased magnesium sulfonate process
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1979-10-02 |
1980-09-30 |
Ethyl Corporation |
Process for producing overbased alkaline earth hydrocarbyl sulfonates
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1982-11-10 |
1984-10-09 |
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Alkali earth metal oxide-based coating compositions
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1986-07-01 |
Witco Corporation |
One-step process for preparation of overbased calcium sulfonate greases and thickened compositions
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1983-09-14 |
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Witco Chemical Corporation |
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1984-05-11 |
1985-12-10 |
Phillips Petroleum Company |
Continuous process for overbasing petroleum sulfonate in a pipe reactor with multiple entry of countercurrent carbon dioxide
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1992-04-28 |
The Lubrizol Corporation |
Method of overbasing with a hydroxy sulfonic acid copromoter
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1993-03-02 |
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2011-10-31 |
2016-10-04 |
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Composition and method of manufacturing calcium sulfonate greases using alkali metal hydroxide and delayed addition of non-aqueous converting agents
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Composition and method of manufacturing calcium sulfonate and calcium magnesium sulfonate greases using a delay after addition of facilitating acid
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2019-08-27 |
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2016-05-18 |
2018-10-02 |
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Composition and method of manufacturing calcium magnesium sulfonate greases
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Nch Corporation |
Composition and method of manufacturing calcium magnesium sulfonate greases
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2023-05-30 |
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Composition and method of manufacturing and using extremely rheopectic sulfonate-based greases
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