Nitrogen Attached Indirectly To The Cyano Group By Nonionic Bonding Patents (Class 558/452)
- The chain contains nitrogen (e.g., iminodiacetonitrile, nitrilotriacetonitrile, etc.) (Class 558/455)
- Purification or recovery of saturated hydrocarbon dinitriles (e.g., from mixtures with cyanocyclopentanonimine, 2-cyanocyclopenten-1-ylamine, etc.) (Class 558/456)
- A carbon in the chain is multiple bonded to carbon (e.g., 1,4 dicyanobutene, etc.) (Class 558/457)