Magnetic recording medium comprising a magnetic layer formed on a nonmagnetic support

A.SUPPORT MAGNETIC RECORDING B.SUPPORT MAGNETIC RECORDING CHARACTERIZED IN THAT IT CONTAINS LUBRICANT RELATED TO THE GENERAL FORMULA:. (CF DRAWING IN BOPI) wherein R is a residue HYDROCARBON MONO-valent saturated or unsaturated acyl group containing 7 to 21 carbon atoms, n is 0,1 or 2 and p is an integer between 1 and 12. C.L'INVENTION REGARDING THE MANUFACTURE OF MAGNETIC RECORDING MEDIA.