- 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: 182
10-year publication summary
|
15
|
13
|
17
|
13
|
11
|
7
|
16
|
12
|
10
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eastman Chemical Company | 2094 |
73 |
| NEC Corporation | 37168 |
25 |
| Daicel Corporation | 2549 |
14 |
| Shin-Etsu Chemical Co., Ltd. | 6120 |
12 |
| FUJIFILM Corporation | 30594 |
8 |
| Virginia Tech Intellectual Properties, Inc. | 961 |
3 |
| Konica Minolta, Inc. | 9150 |
2 |
| Konica Minolta Opto, Inc. | 895 |
2 |
| Compagnie générale des établissements Michelin SCA | 2731 |
2 |
| Celanese Acetate LLC | 68 |
2 |
| Celanese International Corporation | 912 |
2 |
| Futamura Kagaku Kabushiki Kaisha | 93 |
2 |
| The Japan Steel Works, Ltd. | 858 |
2 |
| Kyoto University | 2923 |
2 |
| Compagnie Generale des Etablissements Michelin | 4975 |
2 |
| FUJIFILM Business Innovation Corp. | 7959 |
2 |
| Seiko Epson Corporation | 20337 |
1 |
| Eastman Kodak Company | 2589 |
1 |
| Dow Global Technologies LLC | 10994 |
1 |
| Battelle Memorial Institute | 2608 |
1 |
| Other owners | 23 |