- 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 17/10 - Phosphorus-containing compounds
Patent holdings for IPC class D21H 17/10
Total number of patents in this class: 31
10-year publication summary
|
1
|
2
|
2
|
1
|
2
|
4
|
4
|
0
|
0
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kemira Oyj | 1266 |
4 |
| delfortgroup AG | 159 |
3 |
| BASF SE | 21334 |
2 |
| Miyoshi Oil & Fat Co., Ltd. | 113 |
2 |
| Oji Holdings Corporation | 812 |
2 |
| Rohm and Haas Company | 2942 |
1 |
| Toray Industries, Inc. | 7161 |
1 |
| Buckman Laboratories International, Inc. | 239 |
1 |
| Cellucomp Limited | 37 |
1 |
| Cellulose Sciences International, Inc. | 10 |
1 |
| Datalase Ltd. | 105 |
1 |
| Domtar Paper Company, LLC | 122 |
1 |
| Ecolab USA Inc. | 5842 |
1 |
| Huntsman Textile Effects (Germany) GmbH | 17 |
1 |
| Institute of Advanced Technology, University of Science and Technology of China | 11 |
1 |
| International Paper Company | 593 |
1 |
| Northeast Forestry University | 34 |
1 |
| Omya International AG | 780 |
1 |
| Teknologisk Institut | 92 |
1 |
| ProPHOS Chemicals S.r.l. | 6 |
1 |
| Other owners | 3 |