Oral patches, oral plasters, oral films and oral tapes, for medical purposes; oral patches, oral plasters, oral films and oral tapes, for medical treatment; medicated oral patches, oral plasters, oral films and oral tapes; oral patches, oral plasters, oral films and oral tapes, for pain relief; adhesive oral patches, oral plasters, oral films and oral tapes, for medical purposes; dissolvable oral patches, oral plasters, oral films and oral tapes, for medical purposes; drug delivery agents in ...