Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679766 | Purification process of novolar resins using acid treated chelating cation exchange resin | — | 1997-10-21 |
| 5618932 | Photoactive compounds and compositions | Ashish A. Pandya | 1997-04-08 |