- All sections
- D - Textiles; paper
- D21H - Pulp compositions; preparation thereof not covered by subclasses , ; impregnating or coating of paper; treatment of finished paper not covered by class or subclass ; paper not otherwise provided for
- D21H 17/53 - Polyethers; Polyesters
Patent holdings for IPC class D21H 17/53
Total number of patents in this class: 136
10-year publication summary
|
10
|
7
|
10
|
10
|
12
|
10
|
11
|
7
|
11
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Solenis Technologies, L.P. | 321 |
9 |
| Seiko Epson Corporation | 18989 |
8 |
| Ecolab USA Inc. | 5341 |
7 |
| Kimberly-clark Worldwide, Inc. | 5515 |
5 |
| Rohm and Haas Company | 2852 |
3 |
| Eastman Chemical Company | 2258 |
3 |
| Hercules Incorporated | 154 |
3 |
| Huhtamaki Molded Fiber Technology B.V. | 58 |
3 |
| Kurita Water Industries Ltd. | 1156 |
3 |
| Schoeller Technocell GmbH & Co. KG | 20 |
3 |
| The Procter & Gamble Company | 22146 |
2 |
| MP Global Products, LLC | 96 |
2 |
| Oji Holdings Corporation | 702 |
2 |
| Sumitomo Seika Chemicals Co., Ltd. | 1037 |
2 |
| Tetra Laval Holdings & Finance S.A. | 2076 |
2 |
| Ahlstrom-munksjo Oyj | 230 |
2 |
| GPCP IP Holdings LLC | 1684 |
2 |
| Munksjö Paper AB | 15 |
2 |
| Plantics B.V. | 13 |
2 |
| Hokuetsu Corporation | 66 |
2 |
| Other owners | 69 |