Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5868935 | Method and apparatus for extraction and recovery of ions from solutions | Zhifa Yang, Asim Kumar Guha | 1999-02-09 |
| 5858385 | Controlled release device and method based on aqueous--organic partitioning in porous membranes | Stephanie Farrell, Rahul Basu | 1999-01-12 |
| 5753009 | Method and apparatus for selectively removing a component from a multicomponent gas/vapor mixture | Jyh-yao Raphael Li | 1998-05-19 |
| 5714072 | Method for solvent extraction using a dual-skinned asymmetric microporous membrane | Bradley W. Reed | 1998-02-03 |
| 5637224 | Hollow fiber contained liquid membrane pervaporation for removal of volatile organic compounds from aqueous solutions | Dali Yang, Sudipto Majumdar, Suphan Kovenklioglu, Amitava Sengupta | 1997-06-10 |
| 5510257 | Hollow fiber immobilization with chopped microporous hollow fibers | Rajesh Shukla | 1996-04-23 |
| RE34828 | Immobilized-interface solute-transfer apparatus | — | 1995-01-17 |
| 5053132 | Asymmetrically-wettable porous membrane | — | 1991-10-01 |
| 4997569 | Immobilized-interface solute-transfer process | — | 1991-03-05 |
| 4921612 | Asymmetrically-wettable porous membrane process | — | 1990-05-01 |
| 4789468 | Immobilized-interface solute-transfer apparatus | — | 1988-12-06 |
| 4750918 | Selective-permeation gas-separation process and apparatus | — | 1988-06-14 |