- All sections
- C - Chemistrymetallurgy
- C08B - Polysaccharidesderivatives thereof
- C08B 1/00 - Preparatory treatment of cellulose for making derivatives thereof
Patent holdings for IPC class C08B 1/00
Total number of patents in this class: 623
10-year publication summary
|
55
|
34
|
31
|
48
|
31
|
32
|
34
|
19
|
24
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| API Intellectual Property Holdings, LLC | 78 |
23 |
| Eastman Chemical Company | 2207 |
20 |
| BASF SE | 20991 |
16 |
| Lenzing Aktiengesellschaft | 518 |
15 |
| Treetotextile AB | 54 |
12 |
| UPM-Kymmene Corporation | 940 |
12 |
| GranBio Intellectual Property Holdings, LLC | 121 |
11 |
| Board of Trustees of Michigan State University | 1192 |
10 |
| Xyleco, Inc. | 195 |
10 |
| Kao Corporation | 4982 |
8 |
| Mascoma Canada Inc. | 13 |
8 |
| Renmatix, Inc. | 131 |
8 |
| The Regents of the University of California | 20087 |
7 |
| FPInnovations | 241 |
6 |
| List Technology AG | 46 |
6 |
| Covidien LP | 10660 |
5 |
| Asahi Kasei Kabushiki Kaisha | 2686 |
5 |
| Futamura Chemical UK Ltd | 22 |
5 |
| Nippon Paper Industries Co., Ltd. | 832 |
5 |
| Betulium Oy | 17 |
5 |
| Other owners | 426 |