- All sections
- C - Chemistrymetallurgy
- C08B - Polysaccharidesderivatives thereof
- C08B 17/02 - Apparatus for esterification or etherification of cellulose for making organic esters of cellulose
Patent holdings for IPC class C08B 17/02
Total number of patents in this class: 13
10-year publication summary
|
0
|
1
|
2
|
1
|
1
|
0
|
1
|
0
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eastman Chemical Company | 2215 |
4 |
| Chemstone, Inc. | 24 |
2 |
| The Japan Steel Works, Ltd. | 741 |
2 |
| Berkley Medical Resources, Inc. | 17 |
1 |
| Daicel Corporation | 2335 |
1 |
| Kyoto University | 2799 |
1 |
| List Holding AG | 41 |
1 |
| Phillips 66 Company | 1057 |
1 |
| Other owners | 0 |