- All sections
- D - Textilespaper
- D21H - Pulp compositionspreparation thereof not covered by subclasses , impregnating or coating of papertreatment of finished paper not covered by class or subclass paper not otherwise provided for
- D21H 13/12 - Organic non-cellulose fibres from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
Patent holdings for IPC class D21H 13/12
Total number of patents in this class: 25
10-year publication summary
|
4
|
2
|
0
|
0
|
4
|
1
|
0
|
0
|
0
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stora Enso Oyj | 1599 |
3 |
| Agfa-Gevaert | 282 |
2 |
| Eastman Chemical Company | 2244 |
2 |
| KT & G Corporation | 2566 |
2 |
| Toray Industries, Inc. | 6867 |
1 |
| Daicel Chemical Industries, Ltd. | 230 |
1 |
| Innventia AB | 35 |
1 |
| JNTC Co., Ltd. | 5 |
1 |
| JNTG Co., Ltd. | 7 |
1 |
| Lenzing Aktiengesellschaft | 521 |
1 |
| Polyplastics Co., Ltd. | 601 |
1 |
| Primaloft, Inc. | 118 |
1 |
| Schweitzer-Mauduit International, Inc. | 45 |
1 |
| Sinoco Chemicals | 1 |
1 |
| Södra Skogsägarna ekonomisk förening | 74 |
1 |
| SWM Luxembourg s.a.r.l. | 52 |
1 |
| GPCP IP Holdings LLC | 1642 |
1 |
| Oberthur Fiduciaire | 3 |
1 |
| SWM Luxembourg | 85 |
1 |
| DuPont Safety & Construction, Inc. | 670 |
1 |
| Other owners | 0 |