No. 177,164, filed Sept. 1, 1971, and assigned to the same assignee as the present invention, polyetherimides consisting essentially of chemically combined unitsincluded by the formula C be @4 1 I -N 0R0 c c .a; 0 where R is an aromatic organic radical having from 6-30 carbon atoms and R is an organic radical having from 1-2O carbon atoms can be made by effecting-reaction between substantially equ