Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE41552 | Composition for the production of improved pulp | Wei Li, Ulrike Waltraud Tschirner, Sheldon Phillip Verrett | 2010-08-24 |
| 7300542 | Method for inhibiting calcium salt scale | Sheldon Phillip Verrett, Jeremy E. Loy, Steven John Severtson | 2007-11-27 |
| 7172677 | Method for inhibiting calcium salt scale | Sheldon Phillip Verrett, Steven John Severtson, Jeremy E. Loy | 2007-02-06 |
| 7097739 | Method for the production of improved pulp | Sheldon Phillip Verrett, Wei Li, Ulrike Waltraud Tschimer | 2006-08-29 |
| 6890404 | Composition for the production of improved pulp | Sheldon Phillip Verrett, Wei Li, Ulrike Waltraud Tschimer | 2005-05-10 |
| 6869503 | Composition for inhibiting calcium salt scale | Sheldon Phillip Verrett, Jeremy E. Loy, Steven John Severtson | 2005-03-22 |