- All sections
- D - Textiles; paper
- D21H - Pulp compositions; preparation thereof not covered by subclasses , ; impregnating or coating of paper; treatment of finished paper not covered by class or subclass ; paper not otherwise provided for
- D21H 25/06 - Physical treatment, e.g. heating or irradiating of impregnated or coated paper
Patent holdings for IPC class D21H 25/06
Total number of patents in this class: 123
10-year publication summary
|
12
|
8
|
13
|
11
|
15
|
7
|
9
|
11
|
10
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
5 |
| Stora Enso Oyj | 1504 |
5 |
| Metso Paper, Inc. | 528 |
4 |
| University of Southampton | 444 |
4 |
| Vits Technology GmbH | 19 |
4 |
| Technische Universitat Darmstadt | 258 |
3 |
| Trespa International B.V. | 79 |
3 |
| Voith Patent GmbH | 2727 |
3 |
| Wilsonart LLC | 103 |
3 |
| Cellulotech Inc | 5 |
3 |
| Xerox Corporation | 7503 |
2 |
| Philip Morris Products S.A. | 6751 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
2 |
| Henkel AG & Co. KGaA | 10129 |
2 |
| Arjo Wiggins Fine Papers Limited | 28 |
2 |
| Buschman Corporation | 4 |
2 |
| Daio Paper Corporation | 1407 |
2 |
| Kolon Industries, Inc. | 1506 |
2 |
| MP Global Products, LLC | 80 |
2 |
| Solenis Technologies, L.P. | 306 |
2 |
| Other owners | 66 |