- All sections
- C - Chemistrymetallurgy
- C08B - Polysaccharidesderivatives thereof
- C08B 13/00 - Preparation of cellulose ether-esters
Patent holdings for IPC class C08B 13/00
Total number of patents in this class: 129
10-year publication summary
|
22
|
14
|
26
|
9
|
4
|
5
|
6
|
2
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 10354 |
40 |
| Shin-Etsu Chemical Co., Ltd. | 5598 |
15 |
| FUJIFILM Corporation | 29228 |
13 |
| Nutrition & Biosciences USA 1, LLC | 203 |
11 |
| DDP Specialty Electronic Materials US, LLC | 804 |
8 |
| Konica Minolta, Inc. | 8668 |
4 |
| Hercules LLC | 227 |
3 |
| Lotte Fine Chemical Co., Ltd. | 102 |
3 |
| NEC Corporation | 35351 |
2 |
| Daicel Corporation | 2329 |
2 |
| Ecolab USA Inc. | 5451 |
2 |
| Pharmpur GmbH | 15 |
2 |
| The Procter & Gamble Company | 22018 |
1 |
| Daikin Industries, Ltd. | 9957 |
1 |
| Dow Global Technologies Inc. | 852 |
1 |
| Kaneka Corporation | 4486 |
1 |
| Abo Akademi University | 23 |
1 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 369 |
1 |
| Eastman Chemical Company | 2254 |
1 |
| Eastpond Laboratories Limited | 5 |
1 |
| Other owners | 16 |