- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 307/62 - Three oxygen atoms, e.g. ascorbic acid
Patent holdings for IPC class C07D 307/62
Total number of patents in this class: 114
10-year publication summary
|
7
|
13
|
4
|
2
|
7
|
8
|
5
|
10
|
8
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiwa Kasei Company, Limited | 32 |
5 |
| Merck Patent GmbH | 5739 |
4 |
| Vivier Canada Inc. | 61 |
4 |
| SyneuRx International (Taiwan) Corp. | 35 |
4 |
| 3m Innovative Properties Company | 17459 |
3 |
| Innospec Limited | 413 |
3 |
| Nutraceutical Corporation | 7 |
3 |
| LAIMU Corporation | 19 |
3 |
| Light bio, Inc | 14 |
3 |
| Centre National de La Recherche Scientifique | 11077 |
2 |
| University of Florida Research Foundation, Inc. | 4196 |
2 |
| Celltrion, Inc. | 413 |
2 |
| Cosmol Co. Ltd | 2 |
2 |
| Eastman Chemical Company | 2097 |
2 |
| King Faisal University | 934 |
2 |
| Laboratory Corporation of America Holdings | 841 |
2 |
| Rohto Pharmaceutical Co., Ltd. | 416 |
2 |
| Université Paris-saclay | 639 |
2 |
| Resonac Corporation | 3624 |
2 |
| Ediccare Inc. | 8 |
2 |
| Other owners | 60 |