- 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 25/00 - After-treatment of paper not provided for in groups
Patent holdings for IPC class D21H 25/00
Total number of patents in this class: 240
10-year publication summary
|
12
|
25
|
22
|
14
|
25
|
13
|
23
|
14
|
29
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Procter & Gamble Company | 21912 |
38 |
| GPCP IP Holdings LLC | 1543 |
25 |
| Kimberly-clark Worldwide, Inc. | 5298 |
20 |
| HexcelPack, LLC | 70 |
13 |
| Billerudkorsnas AB | 88 |
9 |
| Mondi AG | 204 |
9 |
| Domtar Paper Company, LLC | 123 |
8 |
| Voith Patent GmbH | 2752 |
5 |
| Packaging Acquisitions I, LLC | 20 |
5 |
| Pharmotech SA | 12 |
4 |
| H.B. Fuller Company | 492 |
3 |
| Neenah Gessner GmbH | 96 |
3 |
| Omya International AG | 778 |
3 |
| Solenis Technologies, L.P. | 305 |
3 |
| IPCO Germany GmbH | 22 |
3 |
| Philip Morris USA Inc. | 664 |
2 |
| Albany International Corp. | 231 |
2 |
| Cascades Sonoco Inc. | 26 |
2 |
| Enterprises International, Inc. | 51 |
2 |
| Giorgio Trani | 13 |
2 |
| Other owners | 79 |