- 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 17/54 - Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
Patent holdings for IPC class D21H 17/54
Total number of patents in this class: 53
10-year publication summary
|
1
|
6
|
2
|
5
|
2
|
3
|
0
|
1
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kemira Oyj | 1262 |
17 |
| Ecolab USA Inc. | 5826 |
3 |
| Nalco Company | 532 |
3 |
| S.p.c.m. SA | 236 |
3 |
| 3m Innovative Properties Company | 17445 |
2 |
| AGC Chemicals Americas, Inc. | 42 |
2 |
| Corn Products Development, Inc. | 687 |
2 |
| Solenis Technologies, L.P. | 304 |
2 |
| Teijin Aramid B.V. | 166 |
2 |
| BASF SE | 21328 |
1 |
| Philip Morris Products S.A. | 8282 |
1 |
| Daikin Industries, Ltd. | 10509 |
1 |
| Henkel AG & Co. KGaA | 10774 |
1 |
| Buckman Laboratories International, Inc. | 239 |
1 |
| du Pont-toray Co., Ltd. | 26 |
1 |
| Hercules Incorporated | 113 |
1 |
| International Paper Company | 598 |
1 |
| Kemira Water Solutions, Inc. | 38 |
1 |
| Kolon Industries, Inc. | 1855 |
1 |
| Oji Holdings Corporation | 803 |
1 |
| Other owners | 6 |