- 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 27/06 - Vegetable or imitation parchmentGlassine paper
Patent holdings for IPC class D21H 27/06
Total number of patents in this class: 71
10-year publication summary
|
2
|
2
|
2
|
1
|
5
|
2
|
5
|
7
|
17
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| UPM-Kymmene Corporation | 956 |
11 |
| Ahlstrom Oyj | 147 |
7 |
| Munksjo Oyj | 9 |
4 |
| Mondi AG | 186 |
3 |
| Neenah Gessner GmbH | 73 |
3 |
| Ahlstrom-munksjo Oyj | 192 |
3 |
| Mativ Luxembourg | 57 |
3 |
| Société des Produits Nestlé S.A. | 9910 |
2 |
| Ahlstrom Corporation | 69 |
2 |
| Metsa Fibre Oy | 39 |
2 |
| Oji Holdings Corporation | 748 |
2 |
| SWM Luxembourg s.a.r.l. | 49 |
2 |
| Fernandi Innovation AB | 2 |
2 |
| The Procter & Gamble Company | 22025 |
1 |
| Rohm Co., Ltd. | 6567 |
1 |
| AMC AG Advanced Methods of Coating | 8 |
1 |
| Arjo Wiggins Fine Papers Limited | 26 |
1 |
| Arjowiggins | 13 |
1 |
| Carl Freudenberg KG | 1401 |
1 |
| China Tobacco Yunnan Industrial Co., Ltd. | 261 |
1 |
| Other owners | 18 |