Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6623806 | Methods for the reduction of bleeding of lignosulfonates from lignosulfonate-treated substrates | Dimitris Ioannis Collias, Andrew Wnuk | 2003-09-23 |
| 6620461 | Methods for the reduction of bleeding of lignosulfonates from lignosulfonate-treated substrates | Dimitris Ioannis Collias, Andrew Wnuk | 2003-09-16 |