Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6451169 | Structurally rigid polymer coagulants as retention and drainage aids in papermaking | Andrew J. Dunham | 2002-09-17 |
| 6444091 | Structurally rigid nonionic and anionic polymers as retention and drainage aids in papermaking | Andrew J. Dunham, Phillip W. Carter, Andrei Zelenev | 2002-09-03 |
| 6403726 | Water soluble polymer containing dithiocarbamate functionalities | — | 2002-06-11 |