Issued Patents 1989
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876093 | Dispenser with dispersing member for delivering beneficial agent | Patrick S. L. Wong | 1989-10-24 |
| 4874388 | Multi-layer delivery system | Patrick S. L. Wong, James B. Eckenhoff | 1989-10-17 |
| 4871360 | System for intravenous delivery of a beneficial drug at a regulated rates | — | 1989-10-03 |
| 4867969 | Hydrogel formulation for administering non-steroidal drugs | Paul R. Magruder, Patrick S. L. Wong, George V. Guittard | 1989-09-19 |
| 4865585 | Method of administering drug by using cell comprising drug | — | 1989-09-12 |
| 4863744 | Intestine drug delivery | John Urquhart | 1989-09-05 |
| 4859470 | Dosage form for delivering diltiazem | George V. Guittard, Patrick S. L. Wong, Richard Cortese | 1989-08-22 |
| 4857052 | Intravenous system for delivering a beneficial agent | — | 1989-08-15 |
| 4853229 | Method for adminstering tiny pills | — | 1989-08-01 |
| 4851232 | Drug delivery system with means for obtaining desirable in vivo release rate pattern | John Urquhart | 1989-07-25 |
| 4851231 | System for delivering drug in selected environment of use | John Urquhart | 1989-07-25 |
| 4851229 | Composition comprising a therapeutic agent and a modulating agent | Paul R. Magruder, Brian L. Barclay, Patrick S. L. Wong | 1989-07-25 |
| 4842867 | Pulsed drug delivery of doxylamine | Atul D. Ayer, Patrick S. L. Wong | 1989-06-27 |
| 4837111 | Dosage form for dispensing drug for human therapy | Joseph C. Deters, Patrick S. L. Wong, Brian L. Barclay, David R. Swanson | 1989-06-06 |
| 4824675 | Dispenser with movable matrix comprising a plurality of tiny pills | Patrick S. L. Wong, Richard Cortese, James B. Eckenhoff | 1989-04-25 |
| 4814180 | Agent dispenser comprising a semipermeable wall surrounding single-piece or two-piece container | James B. Eckenhoff, Joseph C. Deters | 1989-03-21 |
| 4800056 | Process for making dispenser with cooperating elements | James B. Eckenhoff, Joseph C. Deters | 1989-01-24 |