Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5429748 | Polymide membrane for separation of solvents from lube oil | Lloyd S. White, I-Fan Wang | 1995-07-04 |
| 5264166 | Polyimide membrane for separation of solvents from lube oil | Lloyd S. White, I-Fan Wang | 1993-11-23 |
| 5096468 | Cellulose acetate butyrate gas separation membranes | — | 1992-03-17 |
| 5067970 | Asymmetric polyimide membranes | I-Fan Wang | 1991-11-26 |
| 4874405 | Coupling fluid separation membrane elements | — | 1989-10-17 |
| 4744807 | Method of manufacturing a cellulose acetate membrane and the membrane so produced | Takeshi Matsuura, Srinivasa Sourirajan | 1988-05-17 |