- 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 17/35 - Polyalkenes, e.g. polystyrene
Patent holdings for IPC class D21H 17/35
Total number of patents in this class: 97
10-year publication summary
|
10
|
14
|
6
|
6
|
5
|
7
|
3
|
2
|
6
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 10696 |
8 |
| Solenis Technologies, L.P. | 332 |
7 |
| Kemira Oyj | 1230 |
5 |
| Structured I, LLC | 61 |
5 |
| BASF SE | 21135 |
4 |
| Kimberly-clark Worldwide, Inc. | 5303 |
3 |
| FPInnovations | 230 |
3 |
| Paptic Oy | 30 |
3 |
| Beaver Paper & Graphic Media, Inc. | 5 |
2 |
| Cascades Sonoco Inc. | 29 |
2 |
| MP Global Products, LLC | 95 |
2 |
| Schoeller Technocell GmbH & Co. KG | 19 |
2 |
| Stora Enso Oyj | 1652 |
2 |
| Kemira Oyj | 3 |
2 |
| GCF US Holdings LLC | 132 |
2 |
| E. I. du Pont de Nemours and Company | 3777 |
1 |
| Philip Morris Products S.A. | 7853 |
1 |
| FUJIFILM Corporation | 30010 |
1 |
| Rohm and Haas Company | 2943 |
1 |
| Henkel AG & Co. KGaA | 10682 |
1 |
| Other owners | 40 |