Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5602260 | Selected O-quinonediazide sulfonic acid esters of phenolic compounds and their use in radiation-sensitive compositions | Andrew J. Blakeney, Medhat A. Toukhy, Lawrence Ferreira, Sobhy Tadros | 1997-02-11 |