- All sections
- C - Chemistrymetallurgy
- C08B - Polysaccharidesderivatives thereof
- C08B 3/08 - Preparation of cellulose esters of organic acids of monobasic organic acids with three or more carbon atoms
Patent holdings for IPC class C08B 3/08
Total number of patents in this class: 79
10-year publication summary
|
0
|
5
|
8
|
3
|
12
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7
|
4
|
7
|
9
|
0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eastman Chemical Company | 2207 |
21 |
| UPM-Kymmene Corporation | 943 |
6 |
| Daicel Corporation | 2380 |
4 |
| Compagnie Generale des Etablissements Michelin | 4766 |
4 |
| Carlsberg A/S | 111 |
3 |
| NEC Corporation | 36108 |
2 |
| Seiko Epson Corporation | 19664 |
2 |
| FUJIFILM Corporation | 29696 |
2 |
| Konica Minolta, Inc. | 8801 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 5695 |
2 |
| Compagnie générale des établissements Michelin SCA | 2583 |
2 |
| Kaneka Corporation | 4614 |
2 |
| International Paper Company | 785 |
2 |
| Stora Enso Oyj | 1658 |
2 |
| Agc, Inc. | 4940 |
2 |
| Procter & Gamble International Operations SA | 147 |
1 |
| Eastman Kodak Company | 2835 |
1 |
| Konica Minolta Advanced Layers, Inc. | 217 |
1 |
| Konica Minolta Opto, Inc. | 1056 |
1 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 373 |
1 |
| Other owners | 16 |