| D714917 |
Waxless urinal gasket |
Jody D. Miller, Robert M. Grimmett |
2014-10-07 |
| 5635055 |
Membrane process for increasing conversion of catalytic cracking or thermal cracking units (LAW011) |
Tan-Jen Chen, Charles P. Darnell |
1997-06-03 |
| 5120900 |
Integrated solvent extraction/membrane extraction with retentate recycle for improved raffinate yield |
Tan-Jen Chen |
1992-06-09 |
| 5107059 |
Iso/normal paraffin separation by membrane extraction |
Tan-Jen Chen |
1992-04-21 |
| 5107056 |
Selective separation of naphthenes from paraffins by membrane extraction |
Tan-Jen Chen |
1992-04-21 |
| 5107058 |
Olefin/paraffin separation via membrane extraction |
Tan-Jen Chen |
1992-04-21 |
| 5095170 |
Intergrated membrane pre-extraction/solvent extraction of distillates |
Tan-Jen Chen |
1992-03-10 |
| 5045206 |
Selective multi-ring aromatics extraction using a porous, non-selective partition membrane barrier |
Tan-Jen Chen |
1991-09-03 |
| 4978454 |
Membrane assisted settling process |
— |
1990-12-18 |
| 4892660 |
Pressure induced surfactant recovery during ultrafiltration of water-oil emulsions |
— |
1990-01-09 |