Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7435483 | Process for coating paper, paperboard, and molded fiber with a water-dispersible polyester polymer | Robert Lee, Gerald A. Hutchinson | 2008-10-14 |
| 7201826 | High performance natural zeolite microparticle retention aid for papermaking | Martin D. Sikora | 2007-04-10 |
| 6679973 | High performance purified natural zeolite pigment for papermaking and paper coating | Margaret Joyce | 2004-01-20 |
| 6616748 | High performance purified natural zeolite pigment for papermaking and paper coating | Margaret Joyce | 2003-09-09 |