- All sections
- D - Textilespaper
- D21H - Pulp compositionspreparation thereof not covered by subclasses , impregnating or coating of papertreatment of finished paper not covered by class or subclass paper not otherwise provided for
- D21H 25/04 - Physical treatment, e.g. heating or irradiating
Patent holdings for IPC class D21H 25/04
Total number of patents in this class: 201
10-year publication summary
|
17
|
16
|
15
|
10
|
10
|
11
|
23
|
13
|
25
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stora Enso Oyj | 1657 |
18 |
| Essity Operations France | 38 |
7 |
| BASF SE | 21306 |
5 |
| Voith Patent GmbH | 2741 |
5 |
| The Procter & Gamble Company | 21852 |
4 |
| Seiko Epson Corporation | 20337 |
4 |
| Billerud AB | 163 |
4 |
| Mondi AG | 216 |
4 |
| Kimberly-clark Worldwide, Inc. | 5261 |
3 |
| Sabic Innovative Plastics IP B.V. | 584 |
3 |
| UPM-Kymmene Corporation | 1005 |
3 |
| Xyleco, Inc. | 186 |
3 |
| IPCO Germany GmbH | 22 |
3 |
| Hewlett-Packard Development Company, L.P. | 25170 |
2 |
| Murata Manufacturing Co., Ltd. | 25809 |
2 |
| Billerudkorsnas AB | 88 |
2 |
| Caraustar Industrial and Consumer Products Group, Inc. | 13 |
2 |
| CJ Cheiljedang Corporation | 3667 |
2 |
| Daio Paper Corporation | 1413 |
2 |
| DuPont Teijin Advanced Papers (Japan), Ltd. | 32 |
2 |
| Other owners | 121 |