- 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 19/60 - PolyalkenylalcoholsPolyalkenylethersPolyalkenylesters
Patent holdings for IPC class D21H 19/60
Total number of patents in this class: 226
10-year publication summary
|
17
|
16
|
22
|
11
|
14
|
20
|
28
|
22
|
13
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| WestRock MWV, LLC | 330 |
20 |
| Kuraray Co., Ltd. | 3589 |
13 |
| Kemira Oyj | 1258 |
9 |
| Stora Enso Oyj | 1653 |
9 |
| Hewlett-Packard Development Company, L.P. | 25184 |
8 |
| UPM-Kymmene Corporation | 994 |
8 |
| Billerud AB | 162 |
7 |
| Dow Global Technologies LLC | 10944 |
5 |
| Société des Produits Nestlé S.A. | 10108 |
4 |
| BASF SE | 21303 |
4 |
| Rohm and Haas Company | 2951 |
4 |
| Nippon Paper Industries Co., Ltd. | 849 |
4 |
| Ahlstrom Oyj | 203 |
4 |
| Koehler Innovation & Technology GmbH | 56 |
4 |
| delfortgroup AG | 156 |
3 |
| Huhtamaki Flexible Packaging Germany GmbH & Co. KG | 55 |
3 |
| Imerys Minerals Limited | 115 |
3 |
| Mitsubishi Paper Mills Limited | 225 |
3 |
| Wacker Chemical Corporation | 30 |
3 |
| Ahlstrom-munksjo Oyj | 157 |
3 |
| Other owners | 105 |