- 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: 502
10-year publication summary
|
36
|
43
|
54
|
33
|
32
|
30
|
21
|
24
|
29
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GranBio Intellectual Property Holdings, LLC | 125 |
16 |
| Dow Global Technologies LLC | 10968 |
11 |
| API Intellectual Property Holdings, LLC | 77 |
10 |
| Gelesis LLC | 28 |
9 |
| Oji Holdings Corporation | 797 |
9 |
| Renmatix, Inc. | 131 |
9 |
| UPM-Kymmene Corporation | 993 |
9 |
| GP Cellulose GmbH | 86 |
7 |
| Asahi Kasei Chemicals Corporation | 546 |
6 |
| Cellucomp Limited | 38 |
6 |
| Nippon Paper Industries Co., Ltd. | 851 |
6 |
| University of Maine System Board of Trustees | 282 |
6 |
| Kao Corporation | 5078 |
5 |
| Cornell University | 3434 |
5 |
| Daicel Corporation | 2544 |
5 |
| Cnpem - Centro Nacional de Pesquisa EM Energia e Materiais | 27 |
5 |
| Covidien LP | 10660 |
4 |
| LG Chem, Ltd. | 17937 |
4 |
| International Business Machines Corporation | 62672 |
4 |
| CollPlant Ltd. | 48 |
4 |
| Other owners | 362 |