Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6111009 | Deinking processes polymers-in-water emulsion for use in deinking processes | John Oliver Stockwell, Howard Roger Dungworth | 2000-08-29 |
| 5746885 | Method for deinking printed paper using an emulsion of crosslinked, insoluble, ionizable and swellable polymer particles | John Oliver Stockwell, Howard Roger Dungworth | 1998-05-05 |
| 5637191 | Treatment of cellulosic material and compositions for use in this | John Langley, John Oliver Stockwell | 1997-06-10 |