• All sections
• C - Chemistrymetallurgy
• 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: 221

10-year publication summary

Principal owners for this class