- 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 13/24 - Polyesters
Patent holdings for IPC class D21H 13/24
Total number of patents in this class: 147
10-year publication summary
|
7
|
10
|
7
|
10
|
14
|
12
|
12
|
20
|
3
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eastman Chemical Company | 2216 |
10 |
| The Procter & Gamble Company | 22043 |
9 |
| Kimberly-clark Worldwide, Inc. | 5502 |
5 |
| Kuraray Co., Ltd. | 3506 |
5 |
| Mitsubishi Paper Mills Limited | 232 |
5 |
| Murata Manufacturing Co., Ltd. | 24603 |
3 |
| Hokuetsu Kishu Paper Co., Ltd. | 13 |
3 |
| KT & G Corporation | 2624 |
3 |
| Swedish Match North Europe AB | 463 |
3 |
| Teijin Fibers Limited | 51 |
3 |
| Ahlstrom Oyj | 104 |
3 |
| Paptic Ltd | 6 |
3 |
| Essity Hygiene and Health Aktiebolag | 2041 |
3 |
| Neenah, Inc. | 180 |
3 |
| Hokuetsu Corporation | 65 |
3 |
| E. I. du Pont de Nemours and Company | 4050 |
2 |
| Toray Industries, Inc. | 6950 |
2 |
| Ahlstrom Corporation | 70 |
2 |
| Arjowiggins Security | 126 |
2 |
| Asahi Kasei Fibers Corporation | 99 |
2 |
| Other owners | 73 |