- All sections
- D - Textilespaper
- D21C - Production of cellulose by removing non-cellulose substances from cellulose- containing materialsregeneration of pulping liquorsapparatus therefor
- D21C 11/08 - Deodorisation
Patent holdings for IPC class D21C 11/08
Total number of patents in this class: 36
10-year publication summary
|
0
|
0
|
4
|
8
|
5
|
3
|
1
|
3
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Valmet Technologies Oy | 287 |
12 |
| Andritz Oy | 282 |
4 |
| International Paper Company | 789 |
4 |
| Metso Power AB | 19 |
4 |
| Valmet AB | 505 |
3 |
| BASF SE | 20926 |
1 |
| Buckman Laboratories International, Inc. | 237 |
1 |
| Ecolab USA Inc. | 5478 |
1 |
| Metso Fiber Karlstad AB | 19 |
1 |
| NORAM Engineering and Constructors Ltd. | 29 |
1 |
| Suncoal Industries GmbH | 75 |
1 |
| Technische Universität Dresden | 558 |
1 |
| Veolia Water Technologies, Inc. | 77 |
1 |
| Processum Biorefinery Initiative AB | 1 |
1 |
| Other owners | 0 |