Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6444091 | Structurally rigid nonionic and anionic polymers as retention and drainage aids in papermaking | William J. Ward, Andrew J. Dunham, Andrei Zelenev | 2002-09-03 |
| 6431953 | CMP process involving frequency analysis-based monitoring | Jeffrey P. Chamberlain | 2002-08-13 |