- 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 17/55 - PolyamidesPolyaminoamidesPolyester-amides
Patent holdings for IPC class D21H 17/55
Total number of patents in this class: 253
10-year publication summary
|
28
|
9
|
18
|
17
|
14
|
22
|
15
|
17
|
11
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kemira Oyj | 1207 |
55 |
| Ecolab USA Inc. | 5471 |
34 |
| GPCP IP Holdings LLC | 1639 |
19 |
| Solenis Technologies, L.P. | 334 |
17 |
| First Quality Tissue, LLC | 156 |
10 |
| BASF SE | 20904 |
9 |
| Footprint International, LLC | 77 |
9 |
| Stora Enso Oyj | 1634 |
7 |
| Georgia-Pacific Chemicals LLC | 135 |
6 |
| Kemira Chemicals, Inc. | 79 |
5 |
| Kimberly-clark Worldwide, Inc. | 5504 |
4 |
| SOLENIS TECHNOLOGIES, L.P., Solenis International, L.P., a Delaware limited partnership, DBA Solenis Technologies, L.P. | 192 |
4 |
| Solenis Technologies Cayman, L.P. | 39 |
4 |
| Solenis Technologies Cayman, L.P. | 35 |
4 |
| Buckman Laboratories International, Inc. | 235 |
3 |
| Domtar Paper Company, LLC | 121 |
3 |
| Structured I, LLC | 58 |
3 |
| DuPont Safety & Construction, Inc. | 681 |
3 |
| AGC Chemicals Americas, Inc. | 43 |
2 |
| Billerud AB | 125 |
2 |
| Other owners | 50 |