- 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 19/36 - Coatings with pigments
Patent holdings for IPC class D21H 19/36
Total number of patents in this class: 183
10-year publication summary
|
14
|
18
|
15
|
8
|
9
|
8
|
6
|
5
|
10
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Paper Industries Co., Ltd. | 841 |
20 |
| Stora Enso Oyj | 1633 |
11 |
| Hewlett-Packard Development Company, L.P. | 25337 |
10 |
| WestRock MWV, LLC | 330 |
9 |
| Jujo Thermal Oy | 16 |
6 |
| Mitsubishi Paper Mills Limited | 228 |
5 |
| delfortgroup AG | 155 |
4 |
| Voith Patent GmbH | 2774 |
4 |
| BASF SE | 21150 |
3 |
| Agfa-Gevaert | 296 |
3 |
| Billerudkorsnas AB | 88 |
3 |
| COATEX une société par actions simplifiée | 172 |
3 |
| MeadWestvaco Corporation | 279 |
3 |
| Nippon Paper Papylia Co., Ltd. | 38 |
3 |
| Oji Holdings Corporation | 780 |
3 |
| UPM-Kymmene Corporation | 979 |
3 |
| Nutrition & Biosciences USA 4, Inc. | 234 |
3 |
| Coatex S.A.S. | 213 |
2 |
| Coldenhove Know How B.V. | 9 |
2 |
| FP-Pigments Oy | 31 |
2 |
| Other owners | 81 |