- All sections
- C - Chemistry; metallurgy
- C07D - Heterocyclic compounds
- C07D 207/452 - Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having three double bonds between ring members or between ring members and non-ring members having two doubly-bound oxygen atoms directly attached in positions 2 and 5 with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms, e.g. maleimide with hydrocarbon radicals, substituted by hetero atoms, directly attached to the ring nitrogen atom
Patent holdings for IPC class C07D 207/452
Total number of patents in this class: 204
10-year publication summary
14
|
26
|
26
|
13
|
18
|
17
|
19
|
11
|
15
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
ImmunoGen, Inc. | 405 |
15 |
DIC Corporation | 3597 |
13 |
The Regents of the University of California | 18943 |
8 |
Newbio Therapeutics, Inc. | 15 |
8 |
Corteva Agriscience LLC | 2494 |
8 |
Daicel Corporation | 2128 |
6 |
Hangzhou DAC Biotech Co., Ltd | 99 |
5 |
Lomox Limited | 32 |
5 |
Mitsubishi Gas Chemical Company, Inc. | 3188 |
5 |
Nippon Kayaku Kabushiki Kaisha | 1400 |
5 |
Industrial Technology Research Institute | 4898 |
4 |
Centre National de La Recherche Scientifique | 9632 |
3 |
JNC Corporation | 1527 |
3 |
JNC Petrochemical Corporation | 425 |
3 |
NOK Corporation | 2108 |
3 |
The United States of America, as represented by the Secretary, Department of Health and Human Services | 2737 |
3 |
Universite de Strasbourg | 646 |
3 |
Zymeworks Inc. | 234 |
3 |
LG Chem, Ltd. | 17205 |
2 |
Konica Minolta, Inc. | 8349 |
2 |
Other owners | 97 |