- 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 23/44 - Treatment with a gas or vapour
Patent holdings for IPC class D21H 23/44
Total number of patents in this class: 15
10-year publication summary
|
1
|
1
|
1
|
3
|
0
|
1
|
1
|
1
|
1
|
0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Altria Client Services LLC | 2467 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11130 |
2 |
| Arjo Wiggins Fine Papers Limited | 24 |
2 |
| Stora Enso Oyj | 1661 |
2 |
| Altria Client Services Inc. | 73 |
1 |
| Georgia-Pacific Consumer Products LP | 99 |
1 |
| Innogel AG | 21 |
1 |
| PA Knowledge Limited | 55 |
1 |
| Paperchine GmbH | 3 |
1 |
| Toppan Inc. | 762 |
1 |
| Other owners | 0 |