- 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 19/12 - Coatings without pigments applied as a solution using water as the only solvent, e.g. in the presence of acid or alkaline compounds
Patent holdings for IPC class D21H 19/12
Total number of patents in this class: 367
10-year publication summary
|
19
|
17
|
24
|
25
|
20
|
30
|
49
|
49
|
64
|
27
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stora Enso Oyj | 1652 |
36 |
| BASF SE | 20979 |
10 |
| Daikin Industries, Ltd. | 10070 |
10 |
| WestRock MWV, LLC | 336 |
10 |
| Kimberly-clark Worldwide, Inc. | 5453 |
9 |
| The Procter & Gamble Company | 22000 |
8 |
| Dow Global Technologies LLC | 10402 |
7 |
| Kuraray Co., Ltd. | 3514 |
7 |
| Nippon Paper Papylia Co., Ltd. | 39 |
6 |
| Solenis Technologies, L.P. | 337 |
6 |
| Hewlett-Packard Development Company, L.P. | 25813 |
5 |
| Rohm and Haas Company | 2895 |
5 |
| Henkel AG & Co. KGaA | 10609 |
5 |
| Cascades Sonoco Inc. | 29 |
5 |
| Kemira Oyj | 1209 |
5 |
| OrganoClick AB | 72 |
5 |
| Daio Paper Corporation | 1381 |
4 |
| Oji Holdings Corporation | 728 |
4 |
| Omya International AG | 771 |
4 |
| DuPont Safety & Construction, Inc. | 704 |
4 |
| Other owners | 212 |