- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/717 - Celluloses
Patent holdings for IPC class A61K 31/717
Total number of patents in this class: 470
10-year publication summary
|
25
|
34
|
37
|
44
|
37
|
33
|
27
|
25
|
26
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ethicon, Inc. | 1150 |
15 |
| Daicel Corporation | 2436 |
13 |
| Allergan, Inc. | 2261 |
12 |
| Omrix Biopharmaceuticals Ltd. | 153 |
11 |
| Purdue Pharma L.P. | 494 |
8 |
| Medtronic, Inc. | 9810 |
7 |
| Excalibur Pharmaceuticals, Inc. | 28 |
7 |
| Dow Global Technologies LLC | 10707 |
5 |
| Innovative BioDefense, Inc. | 11 |
5 |
| N.V. Nutricia | 1083 |
5 |
| Rohto Pharmaceutical Co., Ltd. | 404 |
5 |
| Yissum Research Development Company of The Hebrew University of Jerusalem Ltd. | 1352 |
5 |
| Société des Produits Nestlé S.A. | 9926 |
4 |
| Covidien LP | 10661 |
4 |
| Emmaus Medical, Inc. | 18 |
4 |
| UPM-Kymmene Corporation | 966 |
4 |
| Guangzhou Bioseal Biotech Co., Ltd. | 32 |
4 |
| DDP Specialty Electronic Materials US, LLC | 846 |
4 |
| Nutrition & Biosciences USA 1, LLC | 213 |
4 |
| Kenvue Brands LLC | 994 |
4 |
| Other owners | 340 |