- All sections
- C - Chemistrymetallurgy
- C08B - Polysaccharidesderivatives thereof
- C08B 15/08 - Fractionation of cellulose, e.g. separation of cellulose crystallites
Patent holdings for IPC class C08B 15/08
Total number of patents in this class: 275
10-year publication summary
|
29
|
23
|
14
|
37
|
23
|
17
|
18
|
15
|
20
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stora Enso Oyj | 1657 |
21 |
| GranBio Intellectual Property Holdings, LLC | 125 |
20 |
| Nippon Paper Industries Co., Ltd. | 851 |
13 |
| API Intellectual Property Holdings, LLC | 77 |
12 |
| UPM-Kymmene Corporation | 1005 |
7 |
| Renmatix, Inc. | 132 |
6 |
| Purdue Research Foundation | 3937 |
5 |
| Daicel Corporation | 2549 |
5 |
| Yissum Research Development Company of The Hebrew University of Jerusalem Ltd. | 1355 |
5 |
| Kaneka Corporation | 4732 |
4 |
| Case Western Reserve University | 1899 |
4 |
| The Court of Edinburgh Napier University | 27 |
4 |
| Kyoto University | 2923 |
4 |
| Comet BioRefining Inc. | 28 |
4 |
| SixRing Inc. | 176 |
4 |
| Kao Corporation | 5081 |
3 |
| Aalto University Foundation | 318 |
3 |
| Asahi Kasei Kabushiki Kaisha | 2840 |
3 |
| Kemira Oyj | 1264 |
3 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1849 |
3 |
| Other owners | 142 |