- All sections
- C - Chemistrymetallurgy
- C08B - Polysaccharidesderivatives thereof
- C08B 15/00 - Preparation of other cellulose derivatives or modified cellulose
Patent holdings for IPC class C08B 15/00
Total number of patents in this class: 489
10-year publication summary
|
46
|
31
|
39
|
48
|
30
|
31
|
29
|
19
|
24
|
19
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GranBio Intellectual Property Holdings, LLC | 121 |
15 |
| Dow Global Technologies LLC | 10402 |
11 |
| API Intellectual Property Holdings, LLC | 78 |
10 |
| UPM-Kymmene Corporation | 938 |
10 |
| Gelesis LLC | 27 |
9 |
| Renmatix, Inc. | 131 |
9 |
| Oji Holdings Corporation | 728 |
8 |
| GP Cellulose GmbH | 88 |
7 |
| Asahi Kasei Chemicals Corporation | 665 |
6 |
| Cellucomp Limited | 37 |
6 |
| Nippon Paper Industries Co., Ltd. | 833 |
6 |
| University of Maine System Board of Trustees | 286 |
6 |
| Cornell University | 3329 |
5 |
| Daicel Corporation | 2375 |
5 |
| Cnpem - Centro Nacional de Pesquisa EM Energia e Materiais | 26 |
5 |
| Covidien LP | 10658 |
4 |
| BASF SE | 20979 |
4 |
| International Business Machines Corporation | 61433 |
4 |
| Medtronic, Inc. | 9825 |
4 |
| Kao Corporation | 4979 |
4 |
| Other owners | 351 |