- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 47/38 - CelluloseDerivatives thereof
Patent holdings for IPC class A61K 47/38
Total number of patents in this class: 6544
10-year publication summary
|
504
|
511
|
608
|
627
|
686
|
625
|
582
|
588
|
585
|
397
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Abbvie Inc. | 1800 |
62 |
| LTS Lohmann Therapie-Systeme AG | 680 |
54 |
| Daiichi Sankyo Company, Limited | 1890 |
50 |
| Azurity Pharmaceuticals, Inc. | 265 |
47 |
| Otsuka Pharmaceutical Co., Ltd. | 1510 |
45 |
| Dow Global Technologies LLC | 11051 |
43 |
| Allergan, Inc. | 2148 |
33 |
| Shin-Etsu Chemical Co., Ltd. | 6143 |
31 |
| Astellas Pharma Inc. | 1039 |
31 |
| Daicel Corporation | 2562 |
28 |
| Shionogi & Co., Ltd. | 886 |
26 |
| Nicoventures Trading Limited | 4828 |
26 |
| Chugai Seiyaku Kabushiki Kaisha | 1426 |
25 |
| Asahi Kasei Chemicals Corporation | 542 |
24 |
| Lenz Therapeutics Operations, Inc. | 51 |
24 |
| Kowa Company, Ltd. | 1242 |
23 |
| UPM-Kymmene Corporation | 1007 |
21 |
| Aquestive Therapeutics, Inc. | 186 |
21 |
| Xspray Pharma AB (publ) | 42 |
21 |
| Vyluma Inc. | 34 |
21 |
| Other owners | 5888 |