- All sections
- D - Textilespaper
- D21J - Fibreboardmanufacture of articles from cellulosic fibrous suspensions or from papier-mâché
- D21J 1/00 - Fibreboard
Patent holdings for IPC class D21J 1/00
Total number of patents in this class: 93
10-year publication summary
|
3
|
9
|
4
|
6
|
8
|
10
|
3
|
8
|
3
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Solenis Technologies, L.P. | 304 |
4 |
| Daio Paper Corporation | 1415 |
3 |
| EXP Services Inc. | 14 |
3 |
| Kemira Oyj | 1262 |
3 |
| Uniboard Canada Inc. | 69 |
3 |
| BLH Technologies Inc. | 26 |
2 |
| General Mills, Inc. | 1040 |
2 |
| Graphenea S.A. | 13 |
2 |
| Nichiha Corporation | 167 |
2 |
| State of Oregon acting by and through the State Board of Higher Education on behalf of Oregon State University | 79 |
2 |
| Stora Enso Oyj | 1660 |
2 |
| Swiss Krono Tec AG | 515 |
2 |
| University of Maine System Board of Trustees | 286 |
2 |
| USG Interiors, Inc. | 42 |
2 |
| Footprint International, LLC | 86 |
2 |
| Covestro (Netherlands) B.V. | 301 |
2 |
| Centre National de La Recherche Scientifique | 11092 |
1 |
| Evonik Degussa GmbH | 1346 |
1 |
| Kao Corporation | 5096 |
1 |
| Rohm and Haas Company | 2943 |
1 |
| Other owners | 51 |