Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847250 | Pyroglutamic acid esters used as dermal penetration enhancers for drugs | Jose Alexander | 1989-07-11 |
| 4845233 | Imidazolin-2-ones | by Kenji W. Higuchi, co-executor, Ooi Wong | 1989-07-04 |
| 4837166 | Assaying method for primary amines using aromatic dialdehydes | Pierre M. R. de Montigny, Larry A. Sternson, Arnold J. Repta, John F. Stobaugh, Kenji Higuchi | 1989-06-06 |