- All sections
- D - Textiles; paper
- D04H - Making textile fabrics, e.g. from fibres or filamentary material; fabrics made by such processes or apparatus, e.g. felts, non-woven fabrics; cotton-wool; wadding
- D04H 3/013 - Regenerated cellulose series
Patent holdings for IPC class D04H 3/013
Total number of patents in this class: 151
10-year publication summary
|
11
|
6
|
40
|
5
|
18
|
28
|
9
|
14
|
9
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lenzing Aktiengesellschaft | 523 |
58 |
| Lin, Chih-hsin | 17 |
11 |
| The Procter & Gamble Company | 22148 |
9 |
| Kelheim Fibres GmbH | 38 |
6 |
| Infinited Fiber Company Oy | 38 |
5 |
| Asahi Kasei Kabushiki Kaisha | 2555 |
4 |
| Nicoventures Trading Limited | 3411 |
4 |
| Nutrition & Biosciences USA 4, Inc. | 207 |
4 |
| DuPont Industrial Biosciences USA, LLC | 30 |
3 |
| Kimberly-clark Worldwide, Inc. | 5519 |
2 |
| Carl Freudenberg KG | 1354 |
2 |
| Jenacell GmbH | 24 |
2 |
| NAUE GmbH & Co. KG | 28 |
2 |
| Tintoria Piana U.S., Inc. | 26 |
2 |
| Woodly Oy | 18 |
2 |
| Simplifyber, Inc. | 20 |
2 |
| E. I. du Pont de Nemours and Company | 4253 |
1 |
| FUJIFILM Corporation | 28467 |
1 |
| Toray Advanced Materials Korea Inc. | 240 |
1 |
| Georgia Tech Research Corporation | 2598 |
1 |
| Other owners | 29 |