Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832953 | Method for preventing the formation of a crystalline hydrate in a dispersion of a liquid in a monaqueous matrix | Patricia S. Campbell, Robert M. Gale, Arnold S. Kaufman | 1989-05-23 |
| 4820720 | Transdermal drug composition with dual permeation enhancers | Harold F. Sanders, Yu-Ling Cheng, Shari B. Libicki | 1989-04-11 |