Benzene Ring Containing Patents (Class 514/646)
- The aryl ring or aryl ring system is bonded directly to another ring or ring system (Class 514/650)
- Ether oxygen is part of the chain (Class 514/651)
- Hydroxy, bonded directly to carbon, attached directly or indirectly to the acyclic carbon or chain by acyclic nonionic bonding (e.g., beta hydroxy phenethylamines, etc.) (Class 514/653)
- The chain consists of two or more carbons which are unsubtituted or have acyclic hydrocarbyl substituents only (Class 514/654)
- The aryl ring or aryl ring system and amino nitrogen are bonded directly to the same acylic carbon, which carbon additionally has only hydrogen or acyclic hydrocarbyl substituents bonded directly thereto (Class 514/655)