- 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 13/00 - Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
Patent holdings for IPC class D21H 13/00
Total number of patents in this class: 84
10-year publication summary
|
4
|
6
|
6
|
4
|
4
|
1
|
1
|
6
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Procter & Gamble Company | 21880 |
7 |
| Kimberly-clark Worldwide, Inc. | 5259 |
3 |
| Nippon Paper Industries Co., Ltd. | 854 |
3 |
| SCA Hygiene Products AB | 558 |
3 |
| Stora Enso Oyj | 1660 |
3 |
| 3m Innovative Properties Company | 17445 |
2 |
| E. I. du Pont de Nemours and Company | 3464 |
2 |
| Philip Morris USA Inc. | 648 |
2 |
| Ahlstrom Corporation | 66 |
2 |
| Ecolab USA Inc. | 5826 |
2 |
| Rogers Corporation | 512 |
2 |
| SAPPI Netherlands Services B.V. | 37 |
2 |
| Tokushu Tokai Paper Co., Ltd. | 40 |
2 |
| Ahlstrom Oyj | 199 |
2 |
| AWA PAPER & TECHNOLOGICAL COMPANY, Inc. | 36 |
2 |
| Mativ Holdings, Inc. | 60 |
2 |
| Hewlett-Packard Development Company, L.P. | 25148 |
1 |
| Kao Corporation | 5096 |
1 |
| Altria Client Services LLC | 2461 |
1 |
| Attends Healthcare Products, Inc. | 138 |
1 |
| Other owners | 39 |