- All sections
- D - Textiles; paper
- D21H - Pulp compositions; preparation thereof not covered by subclasses , ; impregnating or coating of paper; treatment of finished paper not covered by class or subclass ; paper not otherwise provided for
- D21H 15/08 - Flakes
Patent holdings for IPC class D21H 15/08
Total number of patents in this class: 15
10-year publication summary
|
0
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Teijin Aramid B.V. | 182 |
4 |
| Cellucomp Limited | 35 |
2 |
| Cosun Biobased Products B.V. | 7 |
2 |
| E. I. du Pont de Nemours and Company | 4253 |
1 |
| Philip Morris Products S.A. | 7276 |
1 |
| Kao Corporation | 4898 |
1 |
| KTH Holding AB | 14 |
1 |
| Envioneer Co., Ltd. | 18 |
1 |
| Enerpaper S.r.l. | 1 |
1 |
| Tor Corporation Ltd | 3 |
1 |
| Other owners | 0 |