- 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 17/18 - Non-macromolecular organic compounds containing elements other than carbon and hydrogen only forming new compounds in situ, e.g. within the pulp or paper, by chemical reaction with itself, or other added substances
Patent holdings for IPC class D21H 17/18
Total number of patents in this class: 37
10-year publication summary
|
1
|
0
|
0
|
1
|
5
|
3
|
7
|
2
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stora Enso Oyj | 1640 |
9 |
| Kemira Chemie GesmbH | 3 |
3 |
| Fiberdom Oy | 18 |
3 |
| Cellucomp Limited | 39 |
2 |
| Teknologisk Institut | 92 |
2 |
| The Procter & Gamble Company | 21969 |
1 |
| Seiko Epson Corporation | 19928 |
1 |
| Arjowiggins Security | 119 |
1 |
| Billerudkorsnas AB | 88 |
1 |
| Ecolab USA Inc. | 5702 |
1 |
| GE Healthcare Limited | 649 |
1 |
| Honnorat Recherches & Services | 5 |
1 |
| International Paper Company | 616 |
1 |
| Kadant Lamort | 23 |
1 |
| OrganoClick AB | 72 |
1 |
| Saint-Gobain Isover | 664 |
1 |
| Soochow University | 1766 |
1 |
| The Trustees of Princeton University | 1234 |
1 |
| Acetate International LLC | 63 |
1 |
| Neenah, Inc. | 187 |
1 |
| Other owners | 3 |