- 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 1/4309 - Polyvinyl alcohol
Patent holdings for IPC class D04H 1/4309
Total number of patents in this class: 107
10-year publication summary
|
1
|
13
|
8
|
14
|
11
|
16
|
11
|
8
|
4
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Procter & Gamble Company | 21859 |
41 |
| MonoSol, LLC | 231 |
11 |
| Kuraray Co., Ltd. | 3601 |
7 |
| Mölnlycke Health Care AB | 632 |
4 |
| 3m Innovative Properties Company | 17459 |
3 |
| Carl Freudenberg KG | 1494 |
3 |
| Lakeland Industries, Inc. | 77 |
3 |
| Aquapak IP Limited | 29 |
3 |
| Isfahan University of Technology | 4 |
2 |
| The University of Tokyo | 4380 |
2 |
| Solventum Intellectual Properties Company | 3424 |
2 |
| Dow Global Technologies LLC | 11008 |
1 |
| Mitsubishi Chemical Corporation | 4738 |
1 |
| Ajou University Industry-academic Cooperation Foundation | 1192 |
1 |
| Johns Manville | 918 |
1 |
| Koken Ltd. | 65 |
1 |
| Kuraray Kuraflex Co., Ltd. | 37 |
1 |
| Kyungpook National University Industry-Academic Cooperation Foundation | 1246 |
1 |
| Moelnlycke Health Care AB | 77 |
1 |
| Politecnico di Milano | 902 |
1 |
| Other owners | 17 |