Phosphorus Containing Wherein The Phosphorus Is Other Than Solely As Part Of An Inorganic Ion In An Addition Salt Patents (Class 504/194)
- The nitrogen is part of a cyano or isocyano group (Class 504/202)
- Nitrogen or chalcogen bonded directly to the nitrogen (Class 504/203)
- Having -C(=X)X-, wherein the X is chalcogen, bonded directly to the nitrogen (Class 504/204)
- Containing -C(=X)X-, wherein the Xs are the same or diverse chalcogens (e.g., N-phosphonomethylglycines, etc.) (Class 504/206)