- 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 17/53 - PolyethersPolyesters
Patent holdings for IPC class D21H 17/53
Total number of patents in this class: 147
10-year publication summary
|
7
|
9
|
10
|
12
|
9
|
9
|
7
|
11
|
12
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Solenis Technologies, L.P. | 330 |
9 |
| Seiko Epson Corporation | 19805 |
8 |
| Ecolab USA Inc. | 5663 |
7 |
| Kimberly-clark Worldwide, Inc. | 5301 |
5 |
| Rohm and Haas Company | 2942 |
3 |
| Eastman Chemical Company | 2112 |
3 |
| Huhtamaki Molded Fiber Technology B.V. | 60 |
3 |
| Kurita Water Industries Ltd. | 1247 |
3 |
| Schoeller Technocell GmbH & Co. KG | 19 |
3 |
| Stora Enso Oyj | 1648 |
3 |
| Ahlstrom Oyj | 181 |
3 |
| Imam Mohammad Ibn Saud Islamic University | 208 |
3 |
| The Procter & Gamble Company | 21964 |
2 |
| Daikin Industries, Ltd. | 10212 |
2 |
| Hercules Incorporated | 126 |
2 |
| Kemira Oyj | 1231 |
2 |
| MP Global Products, LLC | 95 |
2 |
| Oji Holdings Corporation | 757 |
2 |
| Tetra Laval Holdings & Finance S.A. | 2187 |
2 |
| Ahlstrom-munksjo Oyj | 161 |
2 |
| Other owners | 78 |