- All sections
- D - Textiles; paper
- D21H - Pulp compositions; preparation thereof not covered by subclasses , ; impregnating or coating of paper; treatment 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: 68
10-year publication summary
|
2
|
7
|
8
|
3
|
5
|
1
|
8
|
6
|
4
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stora Enso Oyj | 1504 |
9 |
| UPM-Kymmene Corporation | 868 |
3 |
| Xerox Corporation | 7503 |
2 |
| Hewlett-Packard Development Company, L.P. | 28538 |
2 |
| Imerys Minerals Limited | 131 |
2 |
| WestRock MWV, LLC | 335 |
2 |
| Graphic Packaging International, LLC | 1364 |
2 |
| Imertech SAS | 224 |
2 |
| Amcor Flexibles North America, Inc. | 220 |
2 |
| The Procter & Gamble Company | 22178 |
1 |
| BASF SE | 19740 |
1 |
| Honeywell International Inc. | 13799 |
1 |
| Agfa-Gevaert | 282 |
1 |
| Arjo Wiggins Fine Papers Limited | 28 |
1 |
| Arjowiggins Papiers Couches | 12 |
1 |
| Billerud AB | 72 |
1 |
| Billerudkorsnas AB | 91 |
1 |
| Cascades Sonoco Inc. | 29 |
1 |
| Dart Container Corporation | 166 |
1 |
| Depco-trh Pty Ltd | 13 |
1 |
| Other owners | 31 |