Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4542168 | Denture fixative composition with partially neutralized and crosslinked polyacrylic acid | Tiang-Shing Chang, Lucy J. Zientek | 1985-09-17 |
| 4470814 | Method of adhering dentures | Tiang-Shing Chang, Lucy J. Zientek | 1984-09-11 |
| 4373036 | Denture fixative composition | Tiang-Shing Chang, Lucy J. Zientek, Marcy L. Scheps | 1983-02-08 |