- 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 23/14 - Controlling the addition by selecting point of addition or time of contact between components
Patent holdings for IPC class D21H 23/14
Total number of patents in this class: 35
10-year publication summary
|
0
|
2
|
1
|
4
|
4
|
1
|
2
|
0
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ecolab USA Inc. | 5439 |
7 |
| Stora Enso Oyj | 1599 |
4 |
| Kemira Oyj | 1189 |
3 |
| Daio Paper Corporation | 1387 |
2 |
| Wetend Technologies Oy | 28 |
2 |
| SNF Group | 346 |
2 |
| BASF SE | 20728 |
1 |
| Asahi Glass Company, Limited | 2821 |
1 |
| Andritz Inc. | 331 |
1 |
| Anheuser-Busch InBev S.A. | 147 |
1 |
| Anheuser-Busch InBev S.A./N.V. | 470 |
1 |
| Billerud AB | 114 |
1 |
| Billerudkorsnas AB | 88 |
1 |
| Buckman Laboratories International, Inc. | 232 |
1 |
| Ciba Holding Inc. | 177 |
1 |
| ESKA B.V. | 25 |
1 |
| Solenis Technologies, L.P. | 331 |
1 |
| Somar Corporation | 123 |
1 |
| Sumitomo Seika Chemicals Co., Ltd. | 1030 |
1 |
| Visy R & D Pty Ltd | 63 |
1 |
| Other owners | 1 |