- 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: 795
10-year publication summary
|
57
|
67
|
58
|
72
|
62
|
46
|
44
|
52
|
43
|
23
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Synedgen, Inc. | 62 |
25 |
| Medtrade Products Limited | 119 |
17 |
| Guangdong Pharmaceutical University | 69 |
15 |
| Medtronic, Inc. | 9788 |
13 |
| KiOmed Pharma | 23 |
13 |
| Polichem SA | 193 |
8 |
| Chitogenx Inc. | 8 |
8 |
| Boston Scientific Scimed, Inc. | 10162 |
7 |
| Immunophotonics, Inc. | 16 |
7 |
| Covidien LP | 10621 |
6 |
| Centre National de La Recherche Scientifique | 10350 |
6 |
| Croma-Pharma Gesellschaft m.b.H | 107 |
6 |
| King Faisal University | 908 |
6 |
| Primex ehf. | 32 |
6 |
| Wako Filter Technology Co., Ltd. | 16 |
6 |
| Leopold GmbH | 6 |
6 |
| SolyPlus GmbH | 12 |
6 |
| University of South Florida | 1819 |
5 |
| Alumend, LLC | 21 |
5 |
| Medoderm GmbH | 49 |
5 |
| Other owners | 619 |