- All sections
- C - Chemistry; metallurgy
- C08B - Polysaccharides; derivatives 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: 245
10-year publication summary
|
24
|
34
|
29
|
23
|
14
|
37
|
22
|
18
|
16
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stora Enso Oyj | 1504 |
17 |
| GranBio Intellectual Property Holdings, LLC | 105 |
15 |
| API Intellectual Property Holdings, LLC | 80 |
13 |
| Nippon Paper Industries Co., Ltd. | 782 |
13 |
| UPM-Kymmene Corporation | 868 |
7 |
| Yissum Research Development Company of The Hebrew University of Jerusalem Ltd. | 1338 |
6 |
| Renmatix, Inc. | 132 |
5 |
| Kaneka Corporation | 4445 |
4 |
| Purdue Research Foundation | 3277 |
4 |
| Case Western Reserve University | 1727 |
4 |
| Daicel Corporation | 2128 |
4 |
| Daio Paper Corporation | 1407 |
4 |
| Comet BioRefining Inc. | 25 |
4 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
3 |
| The Court of Edinburgh Napier University | 18 |
3 |
| Kemira Oyj | 1167 |
3 |
| Kyoto University | 2732 |
3 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1657 |
3 |
| Melodea Ltd. | 23 |
3 |
| Oji Holdings Corporation | 660 |
3 |
| Other owners | 124 |