- All sections
- C - Chemistrymetallurgy
- C08B - Polysaccharidesderivatives thereof
- C08B 1/02 - Rendering cellulose suitable for esterification
Patent holdings for IPC class C08B 1/02
Total number of patents in this class: 38
10-year publication summary
|
6
|
5
|
6
|
0
|
3
|
1
|
5
|
4
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| UPM-Kymmene Corporation | 1007 |
5 |
| Suzano S.A. | 193 |
3 |
| NEC Corporation | 37395 |
2 |
| Daicel Corporation | 2562 |
2 |
| Futamura Kagaku Kabushiki Kaisha | 94 |
2 |
| Purdue Research Foundation | 3962 |
1 |
| API Intellectual Property Holdings, LLC | 77 |
1 |
| Daio Paper Corporation | 1420 |
1 |
| Eastman Chemical Company | 2114 |
1 |
| Fiberstar Bio-ingredient Technologies, Inc. | 3 |
1 |
| The Government of The United States of America, AS represented by The Secretary of Commerce | 87 |
1 |
| Institut Polytechnique de Grenoble | 429 |
1 |
| Korea Research Institute of Chemical Technology | 1490 |
1 |
| Kri, Inc. | 33 |
1 |
| Metsa Fibre Oy | 46 |
1 |
| National University Corporation Hokkaido University | 1385 |
1 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2456 |
1 |
| Nippon Paper Industries Co., Ltd. | 855 |
1 |
| Oy Keskuslaboratorio - Centrallaboratorium AB | 16 |
1 |
| Papeteries Du Leman | 15 |
1 |
| Other owners | 9 |