- All sections
- C - Chemistrymetallurgy
- C08B - Polysaccharidesderivatives thereof
- C08B 15/02 - OxycelluloseHydrocelluloseCellulose hydrate
Patent holdings for IPC class C08B 15/02
Total number of patents in this class: 354
10-year publication summary
|
28
|
24
|
29
|
33
|
25
|
28
|
23
|
17
|
14
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stora Enso Oyj | 1646 |
22 |
| Nippon Paper Industries Co., Ltd. | 836 |
14 |
| UPM-Kymmene Corporation | 965 |
14 |
| Toagosei Co., Ltd. | 985 |
12 |
| GranBio Intellectual Property Holdings, LLC | 127 |
11 |
| Covidien LP | 10660 |
10 |
| Kemira Oyj | 1231 |
9 |
| Dai-Ichi Kogyo Seiyaku Co., Ltd. | 225 |
8 |
| BASF SE | 21131 |
6 |
| Centre National de La Recherche Scientifique | 10830 |
6 |
| Andritz Oy | 288 |
6 |
| Institut Polytechnique de Grenoble | 413 |
6 |
| Toppan Printing Co., Ltd. | 2107 |
6 |
| Nordic BioProducts Group Oy | 16 |
6 |
| PureCircle Sdn Bhd | 229 |
5 |
| University of Copenhagen | 429 |
5 |
| Nutrition & Biosciences USA 1, LLC | 213 |
5 |
| Aalto University Foundation | 304 |
4 |
| Billerudkorsnas AB | 88 |
4 |
| The Court of Edinburgh Napier University | 26 |
4 |
| Other owners | 191 |