- All sections
- C - Chemistrymetallurgy
- C08B - Polysaccharidesderivatives thereof
- C08B 3/16 - Preparation of mixed organic cellulose esters
Patent holdings for IPC class C08B 3/16
Total number of patents in this class: 180
10-year publication summary
|
9
|
14
|
12
|
17
|
13
|
11
|
7
|
16
|
10
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eastman Chemical Company | 2212 |
70 |
| NEC Corporation | 36257 |
25 |
| Daicel Corporation | 2408 |
13 |
| Shin-Etsu Chemical Co., Ltd. | 5784 |
12 |
| FUJIFILM Corporation | 29817 |
10 |
| Konica Minolta Opto, Inc. | 1039 |
3 |
| Virginia Tech Intellectual Properties, Inc. | 903 |
3 |
| Konica Minolta, Inc. | 8902 |
2 |
| Compagnie générale des établissements Michelin SCA | 2591 |
2 |
| Celanese Acetate LLC | 69 |
2 |
| Celanese International Corporation | 915 |
2 |
| Futamura Kagaku Kabushiki Kaisha | 82 |
2 |
| The Japan Steel Works, Ltd. | 758 |
2 |
| Kyoto University | 2855 |
2 |
| Compagnie Generale des Etablissements Michelin | 4797 |
2 |
| FUJIFILM Business Innovation Corp. | 7741 |
2 |
| Seiko Epson Corporation | 19699 |
1 |
| Eastman Kodak Company | 2798 |
1 |
| Dow Global Technologies LLC | 10555 |
1 |
| Battelle Memorial Institute | 2508 |
1 |
| Other owners | 22 |