Amidines (i.e., Hn=ch-hnh, Wherein Substition May Be Made For Hydrogen Only) Patents (Class 564/225)
- Preparing from thioureas (Class 564/231)
- Preparing by reacting cyanogen halide with amino nitrogen containing compound (Class 564/232)
- Biguanides (i.e., HN=C(-HNH)-NH-(HNH-)C=NH, wherein substitution may be made for hydrogen only) (Class 564/233)
- Polyguanidines (Class 564/236)
- Benzene ring containing (Class 564/237)
- Acyclic (Class 564/240)
- N(prime)-aryl formimidines (i.e., benzene-N=CH-HNH, wherein substitution may be made for hydrogen, including those bonded directly to the benzene ring only) (Class 564/245)
- Additional nitrogen attached indirectly to amidine nitrogen by nonionic bonding (Class 564/246)
- Hydroxy, bonded directly to carbon, or ether containing (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal) (Class 564/247)