- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 307/33 - Oxygen atoms in position 2, the oxygen atom being in its keto or unsubstituted enol form
Patent holdings for IPC class C07D 307/33
Total number of patents in this class: 492
10-year publication summary
40
|
31
|
46
|
37
|
30
|
23
|
24
|
24
|
22
|
28
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
BASF SE | 21036 |
18 |
JSR Corporation | 2533 |
17 |
Temple University of the Commonwealth System of Higher Education | 631 |
14 |
Wisconsin Alumni Research Foundation | 3885 |
13 |
Eisai R&D Management Co., Ltd. | 1218 |
12 |
DSM IP Assets B.V. | 5572 |
11 |
CJ Cheiljedang Corporation | 3461 |
9 |
Tokyo Ohka Kogyo Co., Ltd. | 1551 |
9 |
FUJIFILM Corporation | 29713 |
8 |
Corteva Agriscience LLC | 2697 |
8 |
Neste Oyj | 780 |
6 |
Mitsubishi Chemical Corporation | 4585 |
5 |
Council of Scientific & Industrial Research | 1435 |
5 |
Enanta Pharmaceuticals, Inc. | 432 |
5 |
Navitor Pharmaceuticals, Inc. | 33 |
5 |
The Regents of the University of California | 20153 |
4 |
Sumitomo Chemical Company, Limited | 9092 |
4 |
Gilead Sciences, Inc. | 2062 |
4 |
Metabolix, Inc. | 43 |
4 |
Mitsubishi Gas Chemical Company, Inc. | 3485 |
4 |
Other owners | 327 |