Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7470346 | Aqueous compositions and their use in the manufacture of paper and paperboard | Simon Donnelly, Laurence Rys | 2008-12-30 |
| 7407561 | Use of water-soluble crosslinked cationic polymers for controlling deposition of pitch and stickies in papermaking | Zhiqiang Song | 2008-08-05 |
| 5681480 | Dewatering of aqueous suspensions | John Langley, Stephen Robert Tremont, Brian Frederic Satterfield | 1997-10-28 |
| 5223098 | Clay compositions and their use in paper making | Jean Achille Emile Robert Cluyse, John Langley, Peter Lowry | 1993-06-29 |