Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5660683 | Process for deinking waste paper using a mixture of thiol ethoxylate and alcohol alkoxylates | — | 1997-08-26 |
| 5626718 | Use of polymers in the recycled fiber washing/deinking process | Irenee J. Philippe, Thomas Taggart, Mary Beth Letscher, Michael Schuster, John C. Harrington | 1997-05-06 |