- 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: 79
10-year publication summary
|
7
|
8
|
3
|
5
|
1
|
8
|
6
|
6
|
9
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stora Enso Oyj | 1632 |
12 |
| UPM-Kymmene Corporation | 937 |
3 |
| Xerox Corporation | 7027 |
2 |
| Hewlett-Packard Development Company, L.P. | 25933 |
2 |
| Imerys Minerals Limited | 120 |
2 |
| Solenis Technologies Cayman, L.P. | 298 |
2 |
| SOLENIS TECHNOLOGIES, L.P., Solenis International, L.P., a Delaware limited partnership, DBA Solenis Technologies, L.P. | 192 |
2 |
| WestRock MWV, LLC | 339 |
2 |
| Graphic Packaging International, LLC | 1472 |
2 |
| Amcor Flexibles North America, Inc. | 274 |
2 |
| The Procter & Gamble Company | 22043 |
1 |
| BASF SE | 20874 |
1 |
| Honeywell International Inc. | 13573 |
1 |
| Philip Morris Products S.A. | 7607 |
1 |
| Agfa-Gevaert | 286 |
1 |
| Arjo Wiggins Fine Papers Limited | 26 |
1 |
| Arjowiggins Papiers Couches | 10 |
1 |
| Billerud AB | 124 |
1 |
| Billerudkorsnas AB | 88 |
1 |
| Cascades Sonoco Inc. | 29 |
1 |
| Other owners | 38 |