- 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 17/11 - Halides
Patent holdings for IPC class D21H 17/11
Total number of patents in this class: 59
10-year publication summary
|
2
|
2
|
4
|
4
|
8
|
5
|
6
|
3
|
0
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stora Enso Oyj | 1633 |
12 |
| Buckman Laboratories International, Inc. | 238 |
4 |
| Philip Morris Products S.A. | 7980 |
3 |
| First Quality Tissue, LLC | 159 |
3 |
| International Paper Company | 611 |
3 |
| Kemira Oyj | 1232 |
2 |
| S.p.c.m. SA | 238 |
2 |
| Zhejiang Jingxing Paper Joint Stock Co., Ltd. | 12 |
2 |
| Cellulotech Inc | 8 |
2 |
| E. I. du Pont de Nemours and Company | 3689 |
1 |
| Kimberly-clark Worldwide, Inc. | 5293 |
1 |
| Centre National de La Recherche Scientifique | 10870 |
1 |
| Daikin Industries, Ltd. | 10375 |
1 |
| The Regents of the University of Michigan | 4902 |
1 |
| Archroma IP GmbH | 456 |
1 |
| Centre Technique du Papier | 18 |
1 |
| The Coca-Cola Company | 2459 |
1 |
| Cooperatie Avebe U.A. | 82 |
1 |
| Daiki Co., Ltd. | 162 |
1 |
| Daio Paper Corporation | 1406 |
1 |
| Other owners | 15 |