- 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: 182
10-year publication summary
|
14
|
18
|
15
|
8
|
9
|
8
|
6
|
5
|
10
|
5
|
| 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. | 855 |
19 |
| Stora Enso Oyj | 1661 |
12 |
| Hewlett-Packard Development Company, L.P. | 25139 |
10 |
| WestRock MWV, LLC | 332 |
9 |
| Jujo Thermal Oy | 16 |
6 |
| Mitsubishi Paper Mills Limited | 224 |
5 |
| delfortgroup AG | 157 |
4 |
| Oji Holdings Corporation | 807 |
4 |
| Voith Patent GmbH | 2740 |
4 |
| BASF SE | 21320 |
3 |
| Agfa-Gevaert | 301 |
3 |
| Billerudkorsnas AB | 88 |
3 |
| COATEX une société par actions simplifiée | 176 |
3 |
| MeadWestvaco Corporation | 268 |
3 |
| Nippon Paper Papylia Co., Ltd. | 38 |
3 |
| UPM-Kymmene Corporation | 1007 |
3 |
| Nutrition & Biosciences USA 4, Inc. | 244 |
3 |
| Coatex S.A.S. | 209 |
2 |
| Coldenhove Know How B.V. | 9 |
2 |
| FP-Pigments Oy | 30 |
2 |
| Other owners | 79 |