- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/722 - ChitinChitosan
Patent holdings for IPC class A61K 31/722
Total number of patents in this class: 826
10-year publication summary
|
67
|
58
|
72
|
62
|
46
|
45
|
53
|
45
|
41
|
37
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Synedgen, Inc. | 62 |
25 |
| Guangdong Pharmaceutical University | 73 |
15 |
| Medtrade Products Limited | 125 |
15 |
| KiOmed Pharma | 24 |
14 |
| Medtronic, Inc. | 9827 |
10 |
| Medcura, Inc., formerly Gel-e, Inc. | 34 |
10 |
| Centre National de La Recherche Scientifique | 11122 |
9 |
| Immunophotonics, Inc. | 19 |
9 |
| Boston Scientific Scimed, Inc. | 11317 |
7 |
| Polichem SA | 177 |
7 |
| Covidien LP | 10711 |
6 |
| King Faisal University | 936 |
6 |
| Primex ehf. | 33 |
6 |
| Wako Filter Technology Co., Ltd. | 17 |
6 |
| Zhongke Runxin (Suzhou) Biological Technology Co., Ltd. | 7 |
6 |
| Chitogenx Inc. | 6 |
6 |
| University of South Florida | 1908 |
5 |
| Medoderm GmbH | 45 |
5 |
| Leopold GmbH | 5 |
5 |
| per OS Biosciences, LLC | 10 |
5 |
| Other owners | 649 |