- 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 21/08 - Dispersing agents for fibres
Patent holdings for IPC class D21H 21/08
Total number of patents in this class: 50
10-year publication summary
|
2
|
3
|
5
|
1
|
2
|
5
|
10
|
2
|
5
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Soane Materials LLC | 26 |
10 |
| J.M. Huber Corporation | 110 |
3 |
| Kemira Oyj | 1232 |
3 |
| Solenis Technologies Cayman, L.P. | 310 |
3 |
| GPCP IP Holdings LLC | 1545 |
3 |
| Kimberly-clark Worldwide, Inc. | 5281 |
2 |
| Coatex S.A.S. | 215 |
2 |
| Pratt Corrugated Holdings, Inc. | 315 |
2 |
| Georgia-Pacific Chemicals LLC | 134 |
1 |
| Borregaard AS | 127 |
1 |
| CertainTeed Corporation | 219 |
1 |
| COATEX une société par actions simplifiée | 171 |
1 |
| Dai-Ichi Kogyo Seiyaku Co., Ltd. | 223 |
1 |
| Domtar Inc. | 126 |
1 |
| Donghua University | 82 |
1 |
| Ecolab USA Inc. | 5725 |
1 |
| Fiberlean Technologies Limited | 104 |
1 |
| Meisei Chemical Works, Ltd | 15 |
1 |
| Metsa Fibre Oy | 41 |
1 |
| National Research Council of Canada | 1542 |
1 |
| Other owners | 10 |