- 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: 187
10-year publication summary
|
20
|
15
|
14
|
14
|
7
|
7
|
7
|
20
|
13
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stora Enso Oyj | 1650 |
18 |
| Essity Operations France | 45 |
7 |
| BASF SE | 20967 |
5 |
| The Procter & Gamble Company | 22031 |
4 |
| Mondi AG | 174 |
4 |
| Kimberly-clark Worldwide, Inc. | 5449 |
3 |
| Seiko Epson Corporation | 19458 |
3 |
| Sabic Innovative Plastics IP B.V. | 681 |
3 |
| Billerud AB | 126 |
3 |
| Xyleco, Inc. | 195 |
3 |
| GPCP IP Holdings LLC | 1637 |
3 |
| IPCO Germany GmbH | 21 |
3 |
| Hewlett-Packard Development Company, L.P. | 25841 |
2 |
| Murata Manufacturing Co., Ltd. | 24650 |
2 |
| Novozymes A/S | 3325 |
2 |
| Billerudkorsnas AB | 87 |
2 |
| Caraustar Industrial and Consumer Products Group, Inc. | 13 |
2 |
| CJ Cheiljedang Corporation | 3431 |
2 |
| Corn Products Development, Inc. | 674 |
2 |
| Daio Paper Corporation | 1377 |
2 |
| Other owners | 112 |