- 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 19/72 - Coated paper characterised by the paper substrate
Patent holdings for IPC class D21H 19/72
Total number of patents in this class: 96
10-year publication summary
|
2
|
5
|
13
|
5
|
6
|
6
|
3
|
5
|
8
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GPCP IP Holdings LLC | 1634 |
8 |
| Nippon Paper Industries Co., Ltd. | 835 |
7 |
| Stora Enso Oyj | 1660 |
6 |
| The Procter & Gamble Company | 21996 |
5 |
| Oji Holdings Corporation | 733 |
5 |
| Mitsubishi Paper Mills Limited | 230 |
4 |
| WestRock MWV, LLC | 338 |
4 |
| Cascades Sonoco Inc. | 29 |
3 |
| UPM-Kymmene Corporation | 945 |
3 |
| Hewlett-Packard Development Company, L.P. | 25753 |
2 |
| Agfa-Gevaert | 287 |
2 |
| Arjo Wiggins Fine Papers Limited | 26 |
2 |
| Billerud AB | 127 |
2 |
| FUJIFILM Manufacturing Europe B.V. | 259 |
2 |
| Nippon Paper Papylia Co., Ltd. | 38 |
2 |
| Omya International AG | 770 |
2 |
| DuPont Safety & Construction, Inc. | 703 |
2 |
| Nutrition & Biosciences USA 4, Inc. | 228 |
2 |
| Koehler Innovation & Technology GmbH | 48 |
2 |
| E. I. du Pont de Nemours and Company | 3973 |
1 |
| Other owners | 30 |