Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5223581 | Polymers for the release of photographically useful groups | David T. Southby, Katherine Root, Hwei-Ling Yau | 1993-06-29 |
| 5196502 | Method for the preparation of multiply-branched aromatic polyesters | S. Richard Turner, Brigitte Voit | 1993-03-23 |