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| 8282816 |
Extractive distillation process and system |
— |
2012-10-09 |
| 8273938 |
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Raffinate line flush in simulated continuous moving bed adsorptive separation process |
— |
1999-06-15 |
| 5595665 |
Process vessel head flush apparatus |
— |
1997-01-21 |
| D374119 |
Carrying case for spools of thread |
— |
1996-10-01 |
| 5415773 |
Process vessel head flush apparatus |
— |
1995-05-16 |