- 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 17/43 - Carboxyl groups or derivatives thereof
Patent holdings for IPC class D21H 17/43
Total number of patents in this class: 50
10-year publication summary
|
3
|
6
|
5
|
1
|
5
|
2
|
1
|
3
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kemira Oyj | 1244 |
10 |
| Solenis Technologies, L.P. | 305 |
5 |
| SNF Group | 397 |
5 |
| Dow Global Technologies LLC | 10845 |
4 |
| Archroma IP GmbH | 463 |
3 |
| Ecolab USA Inc. | 5753 |
3 |
| BASF SE | 21165 |
2 |
| Rohm and Haas Company | 2946 |
2 |
| First Quality Tissue, LLC | 160 |
2 |
| Nippon Paper Industries Co., Ltd. | 839 |
2 |
| Lignum Technologies AG | 74 |
2 |
| E. I. du Pont de Nemours and Company | 3632 |
1 |
| Daikin Industries, Ltd. | 10401 |
1 |
| Arjowiggins Security | 117 |
1 |
| Georgia-Pacific Consumer Products LP | 102 |
1 |
| Harima Chemicals, Inc. | 203 |
1 |
| Kronoplus Technical AG | 30 |
1 |
| OrganoClick AB | 71 |
1 |
| S.p.c.m. SA | 238 |
1 |
| Vhp Security Paper B.V. | 27 |
1 |
| Other owners | 1 |