- 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 17/37 - Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
Patent holdings for IPC class D21H 17/37
Total number of patents in this class: 741
10-year publication summary
|
71
|
50
|
46
|
37
|
48
|
33
|
49
|
47
|
33
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kemira Oyj | 1232 |
159 |
| Ecolab USA Inc. | 5722 |
66 |
| Solenis Technologies, L.P. | 320 |
47 |
| BASF SE | 21129 |
22 |
| Daikin Industries, Ltd. | 10375 |
18 |
| Dow Global Technologies LLC | 10762 |
18 |
| SNF Group | 383 |
17 |
| First Quality Tissue, LLC | 159 |
16 |
| Solenis Technologies Cayman, L.P. | 310 |
15 |
| S.p.c.m. SA | 238 |
15 |
| The Procter & Gamble Company | 21900 |
12 |
| Kemira Chemicals, Inc. | 77 |
12 |
| Harima Chemicals, Inc. | 203 |
10 |
| ARAKAWA Chemical Industries, Ltd. | 148 |
8 |
| Seiko PMC Corporation | 85 |
8 |
| SOLENIS TECHNOLOGIES, L.P., Solenis International, L.P., a Delaware limited partnership, DBA Solenis Technologies, L.P. | 207 |
8 |
| GCF US Holdings LLC | 144 |
8 |
| Henkel AG & Co. KGaA | 10712 |
7 |
| Stora Enso Oyj | 1633 |
7 |
| Rohm and Haas Company | 2937 |
6 |
| Other owners | 262 |