- 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 17/13 - Silicon-containing compounds
Patent holdings for IPC class D21H 17/13
Total number of patents in this class: 64
10-year publication summary
|
6
|
4
|
2
|
8
|
4
|
2
|
3
|
0
|
1
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Corning Corporation | 958 |
5 |
| Stora Enso Oyj | 1658 |
5 |
| Philip Morris Products S.A. | 7707 |
3 |
| The Procter & Gamble Company | 22006 |
2 |
| Société des Produits Nestlé S.A. | 9330 |
2 |
| Board of Regents, The University of Texas System | 5869 |
2 |
| Kemira Oyj | 1216 |
2 |
| Technische Universitat Darmstadt | 266 |
2 |
| UPM-Kymmene Corporation | 943 |
2 |
| Brightplus Oy | 17 |
2 |
| Keusik Oy | 3 |
2 |
| Kimberly-clark Worldwide, Inc. | 5451 |
1 |
| Centre National de La Recherche Scientifique | 10564 |
1 |
| Hewlett-Packard Development Company, L.P. | 25776 |
1 |
| Uop LLC | 4246 |
1 |
| Siemens Energy, Inc. | 1708 |
1 |
| The Regents of the University of Michigan | 4751 |
1 |
| Alma Mater Studiorum - Universita di Bologna | 406 |
1 |
| Arjowiggins Security | 125 |
1 |
| Auburn University | 507 |
1 |
| Other owners | 26 |