- 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
|
9
|
7
|
9
|
10
|
12
|
9
|
9
|
7
|
11
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Solenis Technologies, L.P. | 313 |
9 |
| Seiko Epson Corporation | 19708 |
8 |
| Ecolab USA Inc. | 5607 |
7 |
| Kimberly-clark Worldwide, Inc. | 5323 |
5 |
| Rohm and Haas Company | 2938 |
3 |
| Eastman Chemical Company | 2114 |
3 |
| Huhtamaki Molded Fiber Technology B.V. | 61 |
3 |
| Kurita Water Industries Ltd. | 1234 |
3 |
| Schoeller Technocell GmbH & Co. KG | 19 |
3 |
| Stora Enso Oyj | 1665 |
3 |
| Ahlstrom Oyj | 147 |
3 |
| Imam Mohammad Ibn Saud Islamic University | 196 |
3 |
| The Procter & Gamble Company | 22025 |
2 |
| Daikin Industries, Ltd. | 10167 |
2 |
| Hercules Incorporated | 129 |
2 |
| Kemira Oyj | 1228 |
2 |
| MP Global Products, LLC | 95 |
2 |
| Oji Holdings Corporation | 748 |
2 |
| Tetra Laval Holdings & Finance S.A. | 2189 |
2 |
| Ahlstrom-munksjo Oyj | 192 |
2 |
| Other owners | 78 |