- 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: 40
10-year publication summary
|
4
|
3
|
3
|
2
|
4
|
4
|
3
|
0
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lenzing Aktiengesellschaft | 522 |
6 |
| Rengo Co., Ltd. | 56 |
4 |
| Futamura Chemical UK Ltd | 21 |
3 |
| BASF SE | 20874 |
2 |
| GP Cellulose GmbH | 90 |
2 |
| Innovia Films Limited | 153 |
2 |
| Södra Skogsägarna ekonomisk förening | 74 |
2 |
| Nouryon Chemicals International B.V. | 604 |
2 |
| Dow Global Technologies Inc. | 848 |
1 |
| Applied DNA Sciences, Inc. | 30 |
1 |
| Eastpond Laboratories Limited | 5 |
1 |
| Jinan Shengquan Group Share-Holding Co., Ltd. | 79 |
1 |
| M-real Oyj | 29 |
1 |
| Oji Holdings Corporation | 717 |
1 |
| San Nopco Ltd. | 32 |
1 |
| Sappi Manufacturing (Pty) Ltd. | 1 |
1 |
| Sateri International Co. Ltd. | 1 |
1 |
| Sodra Cell AB | 7 |
1 |
| Treetotextile AB | 50 |
1 |
| Washington State University | 483 |
1 |
| Other owners | 5 |