Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6521342 | Cationic core-shell particles with acid-swellable shells | G. Frederick Hutter | 2003-02-18 |
| 6521343 | Cationic core-shell particles with stabilizer-containing acid-swellable shells | Gamini S. Samaranayake, G. Frederick Hutter | 2003-02-18 |