- All sections
- C - Chemistrymetallurgy
- C08B - Polysaccharidesderivatives thereof
- C08B 11/187 - Preparation of cellulose ethers with olefinic unsaturated groups
Patent holdings for IPC class C08B 11/187
Total number of patents in this class: 9
10-year publication summary
|
1
|
2
|
0
|
2
|
0
|
1
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Teknologian Tutkimuskeskus VTT Oy | 536 |
2 |
| UPM-Kymmene Corporation | 940 |
2 |
| The Regents of the University of California | 20087 |
1 |
| International Business Machines Corporation | 61471 |
1 |
| Daicel Corporation | 2376 |
1 |
| Kyoeisha Chemical Co., Ltd. | 82 |
1 |
| Teknologian Tutkimuskeskus VTT | 243 |
1 |
| Other owners | 0 |