Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6599326 | Inhibition of pulp and paper yellowing using hydroxylamines and other coadditives | Raymond Seltzer, David Devore, Glen T. Cunkle, John Schmidt, Peter F. McGarry +2 more | 2003-07-29 |
| 6500303 | Inhibition of pulp and paper yellowing using nitroxides, hydroxylamines and other coadditives | Raymond Seltzer, Jean-Pierre Wolf, John Schmidt, Peter F. McGarry, Glen T. Cunkle +1 more | 2002-12-31 |
| 6447644 | Inhibition of pulp and paper yellowing using nitroxides, hydroxylamines and other coadditives | Raymond Seltzer, Jean-Pierre Wolf, John Schmidt, Peter F. McGarry, Glen T. Cunkle +1 more | 2002-09-10 |
| 6254724 | Inhibition of pulp and paper yellowing using nitroxides, hydroxylamines and other coadditives | Raymond Seltzer, Jean-Pierre Wolf, John Schmidt, Peter F. McGarry, Glen T. Cunkle +1 more | 2001-07-03 |
| 4804440 | Multistage brightening of high yield and ultra high-yield wood pulps | Norman Liebergott | 1989-02-14 |