- 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: 83
10-year publication summary
|
7
|
10
|
6
|
5
|
8
|
4
|
2
|
5
|
0
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Omya International AG | 777 |
17 |
| WestRock MWV, LLC | 330 |
6 |
| Nippon Paper Industries Co., Ltd. | 848 |
3 |
| CCL Label, Inc. | 503 |
2 |
| International Paper Company | 601 |
2 |
| Kemira Oyj | 1258 |
2 |
| MeadWestvaco Corporation | 272 |
2 |
| Stora Enso Oyj | 1648 |
2 |
| Sun Chemical Corporation | 816 |
2 |
| Wacker Chemical Corporation | 30 |
2 |
| Zeon Corporation | 4145 |
2 |
| Graphic Packaging International, LLC | 1615 |
2 |
| BASF SE | 21303 |
1 |
| Canon Inc. | 43768 |
1 |
| Ricoh Company, Ltd. | 13346 |
1 |
| Eastman Kodak Company | 2607 |
1 |
| Rohm and Haas Company | 2946 |
1 |
| Dow Global Technologies LLC | 10930 |
1 |
| Kyocera Document Solutions Inc. | 6242 |
1 |
| Agfa-Gevaert | 299 |
1 |
| Other owners | 31 |