• 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