- 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 17/17 - Ketenes, e.g. ketene dimers
Patent holdings for IPC class D21H 17/17
Total number of patents in this class: 145
10-year publication summary
|
5
|
9
|
8
|
13
|
4
|
8
|
10
|
11
|
13
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kemira Oyj | 1239 |
26 |
| Footprint International, LLC | 82 |
17 |
| Stora Enso Oyj | 1640 |
12 |
| Billerud AB | 145 |
7 |
| BASF SE | 21135 |
6 |
| Solenis Technologies, L.P. | 327 |
6 |
| Solenis Technologies Cayman, L.P. | 310 |
4 |
| Omya International AG | 772 |
3 |
| Eco-Products, PBC | 55 |
3 |
| Beaver Paper & Graphic Media, Inc. | 5 |
2 |
| delfortgroup AG | 154 |
2 |
| Ecolab USA Inc. | 5702 |
2 |
| Mondi AG | 199 |
2 |
| Northeastern University | 1251 |
2 |
| Seiko PMC Corporation | 85 |
2 |
| Footprint International, Inc. | 2 |
2 |
| Kemira (Asia) Co., Ltd. | 23 |
2 |
| Mativ Holdings, Inc. | 85 |
2 |
| 3m Innovative Properties Company | 17565 |
1 |
| Hewlett-Packard Development Company, L.P. | 25415 |
1 |
| Other owners | 41 |