| 5435918 |
Solvent extraction process involving membrane separation of extract phase and/or intermediate zone phase |
Adrianus Welmers |
1995-07-25 |
| 5234597 |
Solvent extraction process involving membrane separation of extract phase and/or intermediate zone phase with pseudo extract/pseudo raffinate recycle, preferably employing interfacially polymerized membranes |
Adrianus Welmers |
1993-08-10 |
| 5173191 |
Interfacially polymerized membranes for the reverse osmosis separation of organic solvent solutions |
— |
1992-12-22 |
| 4962271 |
Selective separation of multi-ring aromatic hydrocarbons from distillates by perstraction |
Robert C. Schucker |
1990-10-09 |
| 4885096 |
Aromatics - non-armoatics separation by permeation through thermally crosslinked nitrile rubber membranes |
— |
1989-12-05 |
| 4857201 |
Reverse osmosis cellulose and cellulosic membranes prepared by repeated drying and rewetting |
Wan-Kei Wan |
1989-08-15 |
| 4802987 |
Selective permeation of aromatic hydrocarbons through polyethylene glycol impregnated regenerated cellulose or cellulose acetate membranes |
— |
1989-02-07 |
| 4606903 |
Membrane separation of uncoverted carbon fiber precursors from flux solvent and/or anti-solvent |
Mahmoud M. Hafez |
1986-08-19 |
| 4571444 |
Process for separating alkylaromatics from aromatic solvents and the separation of the alkylaromatic isomers using membranes |
Heather A. Boucher |
1986-02-18 |
| 4532029 |
Aromatic solvent upgrading using membranes |
Peter G. Miasek, Georges Adriaens |
1985-07-30 |