- All sections
- C - Chemistrymetallurgy
- C08B - Polysaccharidesderivatives thereof
- C08B 7/00 - Preparation of cellulose esters of both organic and inorganic acids
Patent holdings for IPC class C08B 7/00
Total number of patents in this class: 24
10-year publication summary
|
0
|
5
|
3
|
2
|
1
|
3
|
1
|
0
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daio Paper Corporation | 1429 |
2 |
| Yokogawa Electric Corporation | 1976 |
2 |
| Celanese Acetate LLC | 67 |
1 |
| China National Petroleum Corporation | 649 |
1 |
| CNPC USA Corp. | 184 |
1 |
| Dai-Ichi Kogyo Seiyaku Co., Ltd. | 222 |
1 |
| Eastman Chemical Company | 2109 |
1 |
| Eastpond Laboratories Limited | 6 |
1 |
| FPInnovations | 224 |
1 |
| Innovia Films Limited | 154 |
1 |
| Kri, Inc. | 32 |
1 |
| Renmatix, Inc. | 131 |
1 |
| Rijksuniversiteit Groningen | 319 |
1 |
| Sanko Tekstil Isletmeleri San. ve Tic. A.S. | 171 |
1 |
| South China University of Technology | 1928 |
1 |
| Teijin Limited | 1308 |
1 |
| Yara International ASA | 910 |
1 |
| Yi Yuan | 7 |
1 |
| Beijing Huamei, Inc. | 135 |
1 |
| GranBio Intellectual Property Holdings, LLC | 125 |
1 |
| Other owners | 2 |