Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11274397 | Copolymer, aqueous solution comprising the copolymer and method for reducing negative effects of natural pitch and adhesive contaminants in both pulping and papermaking operations | Paul Dekock, Damien Corpet | 2022-03-15 |
| 10829895 | Use of an acrylate copolymer as retention aid in a method of making a substrate comprising cellulosic fibres | Damien Corpet, Paul Dekock, Achim Kohler | 2020-11-10 |
| 9809929 | Polyester for the paper industry | Achim Kohler, Roman Morschhaeuser, Antonella Leone-Kammler | 2017-11-07 |
| 9057155 | Method for reducing negative effects of adhesive contaminants in systems of substances comprising waste paper | Achim Kohler, Damien Corpet, Antonella Leone-Kammler | 2015-06-16 |
| 8784606 | Method for reducing negative effects of adhesive contaminants in systems of substances comprising waste paper | Achim Kohler, Damien Corpet, Antonella Leone-Kammler | 2014-07-22 |
| 5873913 | Optical brightening agents | John Martin Farrar, Mark D. Graham, Neil MacKinnon | 1999-02-23 |