Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679220 | Process for enhanced deposition and retention of particulate filler on papermaking fibers | M. C. Matthew, Sanjay Patnaik, Paul Hart | 1997-10-21 |
| 5665205 | Method for improving brightness and cleanliness of secondary fibers for paper and paperboard manufacture | Narendra R. Srivatsa, Sanjay Patnaik, Paul Hart, Jean J. Renard | 1997-09-09 |