- 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 1/43 - Acrylonitrile series
Patent holdings for IPC class D04H 1/43
Total number of patents in this class: 66
10-year publication summary
|
4
|
7
|
7
|
4
|
8
|
7
|
11
|
5
|
8
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17730 |
6 |
| Carl Freudenberg KG | 1389 |
6 |
| Board of Regents, The University of Texas System | 5938 |
3 |
| Kaneka Corporation | 4608 |
3 |
| Amogreentech Co., Ltd. | 619 |
3 |
| Japan Exlan Company Limited | 55 |
3 |
| The Procter & Gamble Company | 21989 |
2 |
| Mitsubishi Rayon Co., Ltd. | 893 |
2 |
| Mitsubishi Chemical Corporation | 4606 |
2 |
| Goodrich Corporation | 2185 |
2 |
| Toyobo Co., Ltd. | 2470 |
2 |
| Agotex S.r.l. | 3 |
2 |
| The Regents of the University of California | 20289 |
1 |
| Dow Global Technologies LLC | 10555 |
1 |
| Toray Industries, Inc. | 7006 |
1 |
| Purdue Research Foundation | 3726 |
1 |
| City University of Hong Kong | 883 |
1 |
| Finetex Ene, Inc. | 26 |
1 |
| Gwangju Institute of Science and Technology | 776 |
1 |
| IKEA Supply AG | 214 |
1 |
| Other owners | 22 |