- All sections
- D - Textilespaper
- D04H - Making textile fabrics, e.g. from fibres or filamentary materialfabrics made by such processes or apparatus, e.g. felts, non-woven fabricscotton-woolwadding
- D04H 3/013 - Regenerated cellulose series
Patent holdings for IPC class D04H 3/013
Total number of patents in this class: 155
10-year publication summary
|
11
|
6
|
40
|
5
|
18
|
28
|
9
|
14
|
9
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lenzing Aktiengesellschaft | 521 |
58 |
| Lin, Chih-hsin | 17 |
11 |
| The Procter & Gamble Company | 22035 |
9 |
| Kelheim Fibres GmbH | 38 |
6 |
| Infinited Fiber Company Oy | 41 |
6 |
| Asahi Kasei Kabushiki Kaisha | 2677 |
4 |
| Nicoventures Trading Limited | 3931 |
4 |
| Nutrition & Biosciences USA 4, Inc. | 224 |
4 |
| Kimberly-clark Worldwide, Inc. | 5495 |
3 |
| DuPont Industrial Biosciences USA, LLC | 28 |
3 |
| Carl Freudenberg KG | 1368 |
2 |
| Jenacell GmbH | 25 |
2 |
| NAUE GmbH & Co. KG | 28 |
2 |
| Tintoria Piana U.S., Inc. | 29 |
2 |
| Essity Hygiene and Health Aktiebolag | 2046 |
2 |
| Woodly Oy | 18 |
2 |
| Simplifyber, Inc. | 20 |
2 |
| E. I. du Pont de Nemours and Company | 4058 |
1 |
| FUJIFILM Corporation | 29424 |
1 |
| Toray Advanced Materials Korea Inc. | 260 |
1 |
| Other owners | 30 |