- 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: 145
10-year publication summary
6
|
11
|
6
|
40
|
5
|
18
|
29
|
9
|
12
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Lenzing Aktiengesellschaft | 529 |
57 |
Lin, Chih-hsin | 17 |
11 |
The Procter & Gamble Company | 22178 |
9 |
Kelheim Fibres GmbH | 37 |
6 |
Asahi Kasei Kabushiki Kaisha | 2429 |
4 |
Nicoventures Trading Limited | 2898 |
4 |
Nutrition & Biosciences USA 4, Inc. | 188 |
4 |
DuPont Industrial Biosciences USA, LLC | 43 |
3 |
Kimberly-clark Worldwide, Inc. | 5854 |
2 |
Carl Freudenberg KG | 1346 |
2 |
Jenacell GmbH | 22 |
2 |
NAUE GmbH & Co. KG | 27 |
2 |
Tintoria Piana U.S., Inc. | 26 |
2 |
Infinited Fiber Company Oy | 32 |
2 |
Woodly Oy | 18 |
2 |
E. I. du Pont de Nemours and Company | 4345 |
1 |
FUJIFILM Corporation | 27102 |
1 |
Toray Advanced Materials Korea Inc. | 222 |
1 |
Georgia Tech Research Corporation | 2453 |
1 |
Ahlstrom Corporation | 77 |
1 |
Other owners | 28 |