• All sections
• C - Chemistrymetallurgy
• C07D - Heterocyclic compounds
• C07D 207/22 - 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 one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms

Patent holdings for IPC class C07D 207/22

Total number of patents in this class: 126

10-year publication summary

Principal owners for this class