- 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 19/00 - Coated paperCoating material
Patent holdings for IPC class D21H 19/00
Total number of patents in this class: 166
10-year publication summary
|
6
|
7
|
16
|
14
|
11
|
11
|
14
|
11
|
6
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stora Enso Oyj | 1645 |
27 |
| Omya International AG | 774 |
7 |
| Société des Produits Nestlé S.A. | 9289 |
5 |
| UPM-Kymmene Corporation | 940 |
5 |
| 3m Innovative Properties Company | 17819 |
3 |
| Cargill, Incorporated | 2892 |
3 |
| Cascades Sonoco Inc. | 29 |
3 |
| Metso Paper, Inc. | 422 |
3 |
| Voith Patent GmbH | 2759 |
3 |
| BASF SE | 20915 |
2 |
| Philip Morris USA Inc. | 702 |
2 |
| Centre National de La Recherche Scientifique | 10442 |
2 |
| Dow Global Technologies LLC | 10349 |
2 |
| CJ Cheiljedang Corporation | 3424 |
2 |
| Kemira Oyj | 1207 |
2 |
| Kuraray Co., Ltd. | 3503 |
2 |
| Nalco Company | 561 |
2 |
| Nippon Paper Papylia Co., Ltd. | 39 |
2 |
| Oji Holdings Corporation | 724 |
2 |
| Omya Development AG | 92 |
2 |
| Other owners | 85 |