- 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 17/47 - Condensation polymers of aldehydes or ketones
Patent holdings for IPC class D21H 17/47
Total number of patents in this class: 29
10-year publication summary
|
1
|
3
|
0
|
1
|
0
|
2
|
1
|
1
|
2
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kemira Oyj | 1262 |
8 |
| BASF SE | 21328 |
4 |
| Ecolab USA Inc. | 5826 |
3 |
| Solenis Technologies, L.P. | 304 |
2 |
| Daio Paper Corporation | 1415 |
1 |
| Elastopoli Oy | 4 |
1 |
| Nalco Company | 532 |
1 |
| Saint-Gobain Isover | 684 |
1 |
| Schoeller Technocell GmbH & Co. KG | 19 |
1 |
| S.p.c.m. SA | 236 |
1 |
| Trespa International B.V. | 78 |
1 |
| UPM-Kymmene Oyj | 51 |
1 |
| Vits Technology GmbH | 19 |
1 |
| Felix Schoeller GmbH & Co., KG | 48 |
1 |
| Solenis Technologies Cayman, L.P. | 34 |
1 |
| SNF Group | 421 |
1 |
| Other owners | 0 |