- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 46/00 - Preparation of quinones
Patent holdings for IPC class C07C 46/00
Total number of patents in this class: 83
10-year publication summary
8
|
5
|
5
|
3
|
3
|
6
|
5
|
2
|
7
|
1
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
PTC Therapeutics, Inc. | 479 |
7 |
Solvay SA | 993 |
4 |
Kemin Industries, Inc. | 351 |
3 |
Shangyu Nhu Biological Chemical Co., Ltd. | 18 |
3 |
Zhejiang Nhu Company Limited | 174 |
3 |
Zhejiang University | 3154 |
3 |
Zhejiang Nhu Pharmaceutical Co., Ltd. | 14 |
3 |
BASF SE | 20915 |
2 |
Centre National de La Recherche Scientifique | 10432 |
2 |
DSM IP Assets B.V. | 5590 |
2 |
DyStar Textilfarben GmbH & Co. Deutschland KG | 35 |
2 |
Epizon Pharma, Inc. | 32 |
2 |
Soligenix, Inc. | 52 |
2 |
Sunny Pharmtech Inc. | 6 |
2 |
Shanghaitech University | 365 |
2 |
Glaxo Group Limited | 4068 |
1 |
Sumitomo Chemical Company, Limited | 9047 |
1 |
Amazon Technologies, Inc. | 26716 |
1 |
President and Fellows of Harvard College | 5976 |
1 |
Kaneka Corporation | 4525 |
1 |
Other owners | 36 |