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High performance process oil based on distilled aromatic extracts |
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High performance process oil |
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| 11332679 |
High performance process oil |
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2022-05-17 |
| 10800985 |
Process for producing naphthenic bright stocks |
Howard Don Davis, Edward William Casserly |
2020-10-13 |
| 10557093 |
Process for producing naphthenic base oils |
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2020-02-11 |
| 10479949 |
Process for producing naphthenic bright stocks |
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2019-11-19 |
| 10087379 |
Process for producing naphthenic base oils |
Howard Don Davis, Edward William Casserly |
2018-10-02 |
| 7666295 |
Uninhibited electrical insulating oil |
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2010-02-23 |