- All sections
- C - Chemistry; metallurgy
- C08B - Polysaccharides; derivatives 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: 478
10-year publication summary
|
60
|
49
|
36
|
43
|
53
|
33
|
32
|
29
|
21
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GranBio Intellectual Property Holdings, LLC | 105 |
13 |
| Dow Global Technologies LLC | 10147 |
11 |
| API Intellectual Property Holdings, LLC | 80 |
10 |
| UPM-Kymmene Corporation | 868 |
10 |
| Gelesis LLC | 32 |
9 |
| Renmatix, Inc. | 132 |
9 |
| GP Cellulose GmbH | 98 |
8 |
| Oji Holdings Corporation | 660 |
8 |
| Asahi Kasei Chemicals Corporation | 809 |
6 |
| Cellucomp Limited | 34 |
6 |
| Nippon Paper Industries Co., Ltd. | 782 |
6 |
| Cornell University | 3036 |
5 |
| University of Maine System Board of Trustees | 261 |
5 |
| Covidien LP | 10647 |
4 |
| BASF SE | 19740 |
4 |
| International Business Machines Corporation | 60644 |
4 |
| NEC Corporation | 32703 |
4 |
| Medtronic, Inc. | 9964 |
4 |
| Kao Corporation | 4843 |
4 |
| CollPlant Ltd. | 47 |
4 |
| Other owners | 344 |