- 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: 101
10-year publication summary
|
2
|
1
|
11
|
7
|
13
|
8
|
16
|
10
|
6
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Procter & Gamble Company | 22000 |
39 |
| MonoSol, LLC | 233 |
12 |
| Kuraray Co., Ltd. | 3514 |
4 |
| Mölnlycke Health Care AB | 571 |
4 |
| 3m Innovative Properties Company | 17795 |
3 |
| Lakeland Industries, Inc. | 59 |
3 |
| Carl Freudenberg KG | 1375 |
2 |
| Isfahan University of Technology | 4 |
2 |
| The University of Tokyo | 4200 |
2 |
| Aquapak IP Limited | 28 |
2 |
| Solventum Intellectual Properties Company | 3332 |
2 |
| Dow Global Technologies LLC | 10402 |
1 |
| Mitsubishi Chemical Corporation | 4538 |
1 |
| Ajou University Industry-academic Cooperation Foundation | 1057 |
1 |
| Johns Manville | 956 |
1 |
| Koken Ltd. | 63 |
1 |
| Kuraray Kuraflex Co., Ltd. | 44 |
1 |
| Kyungpook National University Industry-Academic Cooperation Foundation | 1155 |
1 |
| Moelnlycke Health Care AB | 61 |
1 |
| The Nippon Synthetic Chemical Industry Co., Ltd. | 299 |
1 |
| Other owners | 17 |