Organic Nitrogen Compound Patents (Class 508/545)
- Additional nitrogen bonded directly to the -C(=X)- group (e.g., ueas, etc.) (Class 508/552)
- Having -OH substituted benzene ring bonded directly to the -C(=X)- or to the nitrogen (wherein H of -OH may be replaced by metal, ammonium, or substituted ammonium; e.g., salicylamides, etc.) (Class 508/553)
- Plural nitrogens bonded directly to a single acyclic hydrocarbon chain (e.g., amides of ethylene diamine, etc.) (Class 508/554)
- Additional oxygen or sulfur attached indirectly to the nitrogen by acyclic nonionic bonding (e.g., oxamides, etc.) (Class 508/555)