- All sections
- C - Chemistrymetallurgy
- C08B - Polysaccharidesderivatives thereof
- C08B 9/00 - Preparation of cellulose xanthate or viscose
Patent holdings for IPC class C08B 9/00
Total number of patents in this class: 37
10-year publication summary
|
3
|
3
|
2
|
4
|
4
|
3
|
0
|
4
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lenzing Aktiengesellschaft | 503 |
6 |
| Rengo Co., Ltd. | 53 |
4 |
| Futamura Chemical UK Ltd | 23 |
3 |
| BASF SE | 21303 |
2 |
| GP Cellulose GmbH | 86 |
2 |
| Innovia Films Limited | 154 |
2 |
| Södra Skogsägarna ekonomisk förening | 80 |
2 |
| Nouryon Chemicals International B.V. | 646 |
2 |
| Applied DNA Sciences, Inc. | 30 |
1 |
| Eastpond Laboratories Limited | 6 |
1 |
| Jinan Shengquan Group Share-Holding Co., Ltd. | 77 |
1 |
| M-real Oyj | 14 |
1 |
| Oji Holdings Corporation | 797 |
1 |
| San Nopco Ltd. | 32 |
1 |
| Sodra Cell AB | 7 |
1 |
| Treetotextile AB | 57 |
1 |
| Washington State University | 498 |
1 |
| List Technology AG | 44 |
1 |
| Yi Yuan | 8 |
1 |
| Indian Institute of Technology Madras (IIT Madras) | 513 |
1 |
| Other owners | 2 |