- 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 23/66 - Treating discontinuous paper, e.g. sheets, blanks or rolls
Patent holdings for IPC class D21H 23/66
Total number of patents in this class: 14
10-year publication summary
|
0
|
2
|
1
|
1
|
1
|
0
|
4
|
1
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Altria Client Services LLC | 2294 |
3 |
| BASF SE | 21109 |
1 |
| Philip Morris Products S.A. | 7827 |
1 |
| Kimberly-clark Worldwide, Inc. | 5304 |
1 |
| Altria Client Services Inc. | 74 |
1 |
| Arjo Wiggins Fine Papers Limited | 26 |
1 |
| Ecolab USA Inc. | 5624 |
1 |
| Fedrigoni S.p.A. | 266 |
1 |
| Sinoco Chemicals | 1 |
1 |
| Solenis Technologies, L.P. | 312 |
1 |
| Universita degli Studi di Roma "La Sapienza" | 225 |
1 |
| DuPont Safety & Construction, Inc. | 703 |
1 |
| Other owners | 0 |