Derivatives of 2,3,4,5,6,7-hexahydro-2,7-methano-1,5-benzoxazonines and -1,4-benzoxazonines, processes for their production and their use as pharmaceuticals

Granted: Aug 22, 1989 Filed: Sep 4, 1987

This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.