- All sections
- C - Chemistry; metallurgy
- C13K - Saccharides obtained from natural sources or by hydrolysis of naturally occurring disaccharides, oligosaccharides or polysaccharides
- C13K 1/04 - Purifying
Patent holdings for IPC class C13K 1/04
Total number of patents in this class: 117
10-year publication summary
|
23
|
11
|
14
|
9
|
4
|
10
|
2
|
3
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6855 |
22 |
| UPM-Kymmene Corporation | 912 |
7 |
| Renmatix, Inc. | 131 |
5 |
| Avantium Knowledge Centre B.V. | 176 |
4 |
| Shell USA, Inc. | 1137 |
4 |
| International N&h Denmark ApS | 295 |
4 |
| Silvanova, LLC | 5 |
3 |
| Comet BioRefining Inc. | 25 |
3 |
| Haarslev A/S | 3 |
3 |
| Virdia, LLC | 16 |
3 |
| Novasep Process Solutions | 29 |
3 |
| Shell Internationale Research Maatschappij B.V. | 3722 |
2 |
| The Regents of the University of California | 19517 |
2 |
| Industrial Technology Research Institute | 4959 |
2 |
| Mitsubishi Chemical Corporation | 4447 |
2 |
| Biochemtex S.p.A. | 31 |
2 |
| FPInnovations | 260 |
2 |
| Korea Research Institute of Chemical Technology | 1337 |
2 |
| Xyleco, Inc. | 191 |
2 |
| Nova Pangaea Technologies (UK) Limited | 10 |
2 |
| Other owners | 38 |