- 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 19/80 - Paper comprising more than one coating
Patent holdings for IPC class D21H 19/80
Total number of patents in this class: 83
10-year publication summary
|
8
|
3
|
5
|
1
|
8
|
6
|
7
|
12
|
2
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stora Enso Oyj | 1633 |
12 |
| Solenis Technologies Cayman, L.P. | 314 |
3 |
| UPM-Kymmene Corporation | 979 |
3 |
| Amcor Flexibles North America, Inc. | 310 |
3 |
| Xerox Corporation | 4713 |
2 |
| Hewlett-Packard Development Company, L.P. | 25337 |
2 |
| Imerys Minerals Limited | 115 |
2 |
| SOLENIS TECHNOLOGIES, L.P., Solenis International, L.P., a Delaware limited partnership, DBA Solenis Technologies, L.P. | 224 |
2 |
| WestRock MWV, LLC | 330 |
2 |
| Ahlstrom Oyj | 193 |
2 |
| Graphic Packaging International, LLC | 1577 |
2 |
| Nfinite Nanotechnology Inc. | 16 |
2 |
| The Procter & Gamble Company | 21900 |
1 |
| BASF SE | 21150 |
1 |
| Philip Morris Products S.A. | 8013 |
1 |
| Agfa-Gevaert | 296 |
1 |
| Arjo Wiggins Fine Papers Limited | 25 |
1 |
| Arjowiggins Papiers Couches | 8 |
1 |
| Billerud AB | 146 |
1 |
| Billerudkorsnas AB | 88 |
1 |
| Other owners | 38 |