- All sections
- C - Chemistry; metallurgy
- C08B - Polysaccharides; derivatives thereof
- C08B 3/22 - Post-esterification treatments, including purification
Patent holdings for IPC class C08B 3/22
Total number of patents in this class: 44
10-year publication summary
|
2
|
4
|
1
|
5
|
3
|
2
|
0
|
2
|
6
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eastman Chemical Company | 2239 |
9 |
| NEC Corporation | 32703 |
4 |
| Daicel Corporation | 2128 |
4 |
| National University Corporation Kanazawa University | 243 |
4 |
| Konica Minolta Opto, Inc. | 1179 |
2 |
| Celanese International Corporation | 879 |
2 |
| Virginia Tech Intellectual Properties, Inc. | 772 |
2 |
| Infinited Fiber Company Oy | 32 |
2 |
| Finecell Sweden AB | 4 |
2 |
| Centre National de La Recherche Scientifique | 9632 |
1 |
| FUJIFILM Corporation | 27102 |
1 |
| Procter & Gamble International Operations SA | 168 |
1 |
| The Court of Edinburgh Napier University | 18 |
1 |
| Electronics for Imaging, Inc. | 320 |
1 |
| Medskin Solutions Dr. Suwelack AG | 58 |
1 |
| Teknologian Tutkimuskeskus VTT | 247 |
1 |
| Universite de Nantes | 352 |
1 |
| The University of Queensland | 666 |
1 |
| UPM-Kymmene Oyj | 54 |
1 |
| Valtion Teknillinen Tutkimuskeskus | 183 |
1 |
| Other owners | 2 |