  We report observations of PSR's 0740-28, 1737-30, 1822-09, 1915+13 and
1916+14 with ROSAT. In the 0.1-2.1 keV range upper limits to luminosity are
derived for power law and blackbody spectra, using a range of $N_{H}$
estimates. The upper limit to the blackbody luminosity from PSR1822-09 turns
out to be consistent with standard cooling curves. For the other pulsars the
upper limits are not restrictive as they are much larger than the luminosities
predicted by the models.
