- 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: 172
10-year publication summary
|
5
|
13
|
11
|
11
|
7
|
11
|
10
|
6
|
16
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stora Enso Oyj | 1646 |
26 |
| Omya International AG | 768 |
7 |
| Société des Produits Nestlé S.A. | 9928 |
5 |
| UPM-Kymmene Corporation | 967 |
5 |
| Kemira Oyj | 1232 |
4 |
| 3m Innovative Properties Company | 17607 |
3 |
| Cargill, Incorporated | 2953 |
3 |
| Cascades Sonoco Inc. | 29 |
3 |
| Voith Patent GmbH | 2764 |
3 |
| BASF SE | 21149 |
2 |
| Philip Morris USA Inc. | 678 |
2 |
| Centre National de La Recherche Scientifique | 10802 |
2 |
| Dow Global Technologies LLC | 10699 |
2 |
| CJ Cheiljedang Corporation | 3531 |
2 |
| Kuraray Co., Ltd. | 3564 |
2 |
| Nalco Company | 559 |
2 |
| Nippon Paper Papylia Co., Ltd. | 38 |
2 |
| Oji Holdings Corporation | 757 |
2 |
| Papierfabrik August Koehler SE | 43 |
2 |
| Solenis Technologies, L.P. | 331 |
2 |
| Other owners | 91 |