Organic Compound Containing Boron Patents (Class 508/185)
- The nitrogen is in a heterocyclic ring, which ring either appears in the compound or has been reacted with a boron compound; a heterocyclic ring is one having as ring members only carbon and at least one hetero atom selected from nitrogen and chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) (Class 508/190)
- Sulfur containing (Class 508/193)
- Carbonyl containing (Class 508/194)
- Oxygen and nitrogen bonded directly to the same carbon atom or carbon chain (e.g., borated alkanolamines, etc.) (Class 508/195)