Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9388533 | Method for increasing the advantages of strength aids in the production of paper and paperboard | Ludwig Krapsch, Christopher John McGregor | 2016-07-12 |
| 8758562 | Method for increasing the advantages of starch in pulped cellulosic material in the production of paper and paperboard | Ludwig Krapsch, Christopher John McGregor | 2014-06-24 |
| 5756358 | Colorimetric processes for the determination and control of the peracid content in a solution, in the presence of hydrogen peroxide | Pascal Crisinel | 1998-05-26 |
| 5438002 | Colorimetric processes for the determination and control of the peracid content in a solution, in the presence of hydrogen peroxide | Pascal Crisinel | 1995-08-01 |