- 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 19/42 - Coatings with pigments characterised by the pigments at least partly organic
Patent holdings for IPC class D21H 19/42
Total number of patents in this class: 85
10-year publication summary
|
2
|
7
|
10
|
5
|
5
|
7
|
4
|
2
|
5
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Omya International AG | 771 |
17 |
| WestRock MWV, LLC | 336 |
6 |
| International Paper Company | 785 |
3 |
| Nippon Paper Industries Co., Ltd. | 832 |
3 |
| CCL Label, Inc. | 514 |
2 |
| Kemira Oyj | 1212 |
2 |
| M-real Oyj | 26 |
2 |
| MeadWestvaco Corporation | 330 |
2 |
| Stora Enso Oyj | 1656 |
2 |
| Sun Chemical Corporation | 839 |
2 |
| Wacker Chemical Corporation | 30 |
2 |
| Zeon Corporation | 4082 |
2 |
| Graphic Packaging International, LLC | 1497 |
2 |
| BASF SE | 20991 |
1 |
| Canon Inc. | 40398 |
1 |
| Hewlett-Packard Development Company, L.P. | 25793 |
1 |
| Ricoh Company, Ltd. | 13338 |
1 |
| Eastman Kodak Company | 2842 |
1 |
| Dow Global Technologies LLC | 10413 |
1 |
| Kyocera Document Solutions Inc. | 5706 |
1 |
| Other owners | 31 |