Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9388533 | Method for increasing the advantages of strength aids in the production of paper and paperboard | Ludwig Krapsch, Jean Victor Mallard de La Varende | 2016-07-12 |
| 8758562 | Method for increasing the advantages of starch in pulped cellulosic material in the production of paper and paperboard | Ludwig Krapsch, Jean Victor Mallard de La Varende | 2014-06-24 |