- 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 17/57 - PolyureasPolyurethanes
Patent holdings for IPC class D21H 17/57
Total number of patents in this class: 82
10-year publication summary
|
8
|
5
|
10
|
4
|
7
|
4
|
2
|
3
|
8
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Henkel AG & Co. KGaA | 10386 |
6 |
| Ecolab USA Inc. | 5414 |
6 |
| The Chemours Company Fc, LLC | 1189 |
4 |
| BASF SE | 20616 |
3 |
| Dow Global Technologies LLC | 10247 |
3 |
| Depco-trh Pty Ltd | 13 |
3 |
| Kemira Oyj | 1180 |
3 |
| Paptic Oy | 29 |
3 |
| UNILIN, besloten vennootschap | 828 |
3 |
| 3m Innovative Properties Company | 17865 |
2 |
| Hewlett-Packard Development Company, L.P. | 26130 |
2 |
| Arjowiggins Healthcare | 4 |
2 |
| Arjowiggins Security | 126 |
2 |
| Corn Products Development, Inc. | 654 |
2 |
| Flooring Industries Limited, SARL | 193 |
2 |
| Mondi AG | 151 |
2 |
| Hunan University of Science and Technology | 64 |
2 |
| E. I. du Pont de Nemours and Company | 4167 |
1 |
| Kimberly-clark Worldwide, Inc. | 5509 |
1 |
| Centre National de La Recherche Scientifique | 10202 |
1 |
| Other owners | 29 |