- 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: 89
10-year publication summary
|
10
|
4
|
5
|
5
|
4
|
4
|
1
|
1
|
6
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Procter & Gamble Company | 21989 |
7 |
| Kimberly-clark Worldwide, Inc. | 5408 |
4 |
| E. I. du Pont de Nemours and Company | 3935 |
3 |
| Nippon Paper Industries Co., Ltd. | 833 |
3 |
| SCA Hygiene Products AB | 642 |
3 |
| Stora Enso Oyj | 1662 |
3 |
| 3m Innovative Properties Company | 17751 |
2 |
| Philip Morris USA Inc. | 690 |
2 |
| Ahlstrom Corporation | 70 |
2 |
| Ecolab USA Inc. | 5559 |
2 |
| Rogers Corporation | 495 |
2 |
| SAPPI Netherlands Services B.V. | 37 |
2 |
| Tokushu Tokai Paper Co., Ltd. | 37 |
2 |
| Ahlstrom Oyj | 114 |
2 |
| AWA PAPER & TECHNOLOGICAL COMPANY, Inc. | 34 |
2 |
| Mativ Holdings, Inc. | 86 |
2 |
| Hewlett-Packard Development Company, L.P. | 25637 |
1 |
| Kao Corporation | 4990 |
1 |
| Ibiden Co., Ltd. | 1718 |
1 |
| Altria Client Services LLC | 2250 |
1 |
| Other owners | 42 |