Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4940586 | Skin permeation enhancer compositions using sucrose esters | Yu-Ling Cheng, Robert M. Gale, Harold F. Sanders | 1990-07-10 |
| 4900555 | Skin permeation enhancer compositions using sucrose esters | Yu-Ling Cheng, Robert M. Gale, Harold F. Sanders | 1990-02-13 |
| 4865848 | Skin permeation enhancer compositions using sucrose esters | Yu-Ling Cheng, Robert M. Gale, Harold F. Sanders | 1989-09-12 |
| 4746515 | Skin permeation enhancer compositions using glycerol monolaurate | Yu-Ling Cheng, Diane E. Nedberge | 1988-05-24 |