- 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 17/16 - Addition products thereof with hydrocarbons
Patent holdings for IPC class D21H 17/16
Total number of patents in this class: 54
10-year publication summary
|
7
|
3
|
1
|
3
|
1
|
2
|
1
|
2
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kemira Oyj | 1207 |
15 |
| Ecolab USA Inc. | 5505 |
4 |
| Kemira Chemie GesmbH | 4 |
4 |
| Seiko PMC Corporation | 92 |
4 |
| WestRock MWV, LLC | 336 |
4 |
| Billerud AB | 126 |
3 |
| Solenis Technologies, L.P. | 335 |
3 |
| Hewlett-Packard Development Company, L.P. | 25850 |
2 |
| Roquette Freres | 1030 |
2 |
| BASF SE | 20945 |
1 |
| Dow Global Technologies LLC | 10371 |
1 |
| Georgia-Pacific Gypsum LLC | 220 |
1 |
| Billerudkorsnas AB | 87 |
1 |
| Buckman Laboratories International, Inc. | 237 |
1 |
| Chemstone, Inc. | 24 |
1 |
| Monash University | 711 |
1 |
| Nalco Company | 573 |
1 |
| Stora Enso Oyj | 1648 |
1 |
| Wilsonart LLC | 99 |
1 |
| Giesecke+Devrient Currency Technology GmbH | 895 |
1 |
| Other owners | 2 |