- All sections
- C - Chemistry; metallurgy
- C08B - Polysaccharides; derivatives thereof
- C08B 15/02 - Oxycellulose; Hydrocellulose; Cellulose hydrate
Patent holdings for IPC class C08B 15/02
Total number of patents in this class: 344
10-year publication summary
|
32
|
29
|
29
|
26
|
29
|
35
|
26
|
30
|
23
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stora Enso Oyj | 1504 |
20 |
| Nippon Paper Industries Co., Ltd. | 782 |
14 |
| UPM-Kymmene Corporation | 868 |
14 |
| Kemira Oyj | 1167 |
12 |
| Toagosei Co., Ltd. | 894 |
11 |
| Covidien LP | 10647 |
10 |
| BASF SE | 19740 |
8 |
| Dai-Ichi Kogyo Seiyaku Co., Ltd. | 235 |
8 |
| GranBio Intellectual Property Holdings, LLC | 105 |
8 |
| Andritz Oy | 276 |
6 |
| Eastman Chemical Company | 2239 |
6 |
| Toppan Printing Co., Ltd. | 2212 |
6 |
| Centre National de La Recherche Scientifique | 9632 |
5 |
| Billerudkorsnas AB | 91 |
5 |
| Institut Polytechnique de Grenoble | 355 |
5 |
| PureCircle Sdn Bhd | 223 |
5 |
| University of Copenhagen | 360 |
5 |
| Nordic BioProducts Group Oy | 10 |
5 |
| Aalto University Foundation | 253 |
4 |
| King Abdulaziz University | 511 |
4 |
| Other owners | 183 |