- All sections
- D - Textiles; paper
- D21H - Pulp compositions; preparation thereof not covered by subclasses , ; impregnating or coating of paper; treatment of finished paper not covered by class or subclass ; paper not otherwise provided for
- D21H 19/60 - Polyalkenylalcohols; Polyalkenylethers; Polyalkenylesters
Patent holdings for IPC class D21H 19/60
Total number of patents in this class: 188
10-year publication summary
|
8
|
11
|
17
|
16
|
22
|
11
|
14
|
20
|
25
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| WestRock MWV, LLC | 335 |
21 |
| Kuraray Co., Ltd. | 3392 |
13 |
| Hewlett-Packard Development Company, L.P. | 28538 |
10 |
| Kemira Oyj | 1167 |
9 |
| Stora Enso Oyj | 1504 |
9 |
| BASF SE | 19740 |
5 |
| Imertech SAS | 224 |
5 |
| Nippon Paper Industries Co., Ltd. | 782 |
4 |
| UPM-Kymmene Corporation | 868 |
4 |
| Société des Produits Nestlé S.A. | 9672 |
3 |
| Dow Global Technologies LLC | 10147 |
3 |
| Imerys Minerals Limited | 131 |
3 |
| Mitsubishi Paper Mills Limited | 246 |
3 |
| Omya International AG | 816 |
3 |
| Wacker Chemical Corporation | 34 |
3 |
| Ahlstrom-munksjo Oyj | 242 |
3 |
| Rohm and Haas Company | 2805 |
2 |
| Agfa-Gevaert | 282 |
2 |
| Akzo Nobel Chemicals International B.V. | 520 |
2 |
| Billerud AB | 72 |
2 |
| Other owners | 79 |