Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4929400 | Production of monodisperse, polymeric microspheres | Won-Kyu Rhim, Michael T. Hyson, Manchium Chang | 1990-05-29 |
| 4707523 | Magnetic particles | Manchium Chang, Michael S. Colvin, Gil F. Richards | 1987-11-17 |
| 4678814 | Polyacrolein microspheres | — | 1987-07-07 |
| 4622362 | Polyacrolein microspheres | — | 1986-11-11 |
| 4534996 | Hybrid microspheres | Richard C. K. Yen | 1985-08-13 |
| 4460560 | Drug delivery by polymeric carriers | Zoltan A. Tokes, Kathryn Rogers | 1984-07-17 |
| 4438239 | Microsphere coated substrate containing reactive aldehyde groups | Richard C. K. Yen | 1984-03-20 |
| 4414080 | Photoelectrochemical electrodes | Roger M. Williams | 1983-11-08 |
| 4413070 | Polyacrolein microspheres | — | 1983-11-01 |
| 4369226 | Polyglutaraldehyde synthesis and protein bonding substrates | — | 1983-01-18 |
| 4326008 | Protein specific fluorescent microspheres for labelling a protein | — | 1982-04-20 |
| 4285819 | Functional magnetic microspheres | Shiao-Ping S. Yen, Robert F. Landel | 1981-08-25 |
| 4267234 | Polyglutaraldehyde synthesis and protein bonding substrates | — | 1981-05-12 |
| 4267235 | Polyglutaraldehyde microspheres | Shlomo Margel | 1981-05-12 |
| 4259223 | Cross-linked polyvinyl pyridine coated glass particle catalyst support and aqueous composition or polyvinyl pyridine adducted microspheres | Amitava Gupta, Willi Volksen | 1981-03-31 |
| 4224359 | Polyvinyl pyridine microspheres | Amitava Gupta, Willi Volksen | 1980-09-23 |
| 4224198 | Protein specific polymeric immunomicrospheres | Shiao-Ping S. Yen, William J. Dreyer | 1980-09-23 |
| 4219411 | Cell sorting apparatus | Shiao-Ping S. Yen, Robert S. Molday | 1980-08-26 |
| 4206094 | Method for producing a biological reagent | Shiao-Ping S. Yen, Robert S. Molday | 1980-06-03 |
| 4197220 | Impregnated metal-polymeric functional beads | Willi Volksen | 1980-04-08 |
| 4187333 | Ion-exchange hollow fibers | Shiao-Ping S. Yen, Elias Klein | 1980-02-05 |