Abstract: A percutaneous administration type pharmaceutical preparation in tape form comprising a flexible backing, which is not permeable by the active ingredient, and an adhesive base layer formed on said flexible backing; said adhesive base layer consisting essentially of an adhesive base material and an active ingredient compatible with said adhesive base material, wherein said adhesive base material is a copolymer containing 2-ethylhexyl acrylate (EHA) in a concentration of 45 mole% or more and N-vinyl-2-pyrrolidone (VP) in a concentration of 20 to 55 mole%, and said active ingredient is isosorbide dinitrate (ISDN) which is contained in a concentration of 10% by weight or more in said adhesive base material.

Abstract: A release agent comprising (A) a polymer of at least one vinyl monomer of the general formulaCH.sub.2 .dbd.CR.sub.1 COO(CH.sub.2 CHR.sub.2 O).sub.n CONHR (I)wherein R.sub.1 and R.sub.2, independently from each other, represent hydrogen or a methyl group, R represents an alkyl group having at least 12 carbon atoms or a fluoroalkyl group having at least 6 carbon atoms, and n is an integer of from 1 to 6,(B) a copolymer of at least one vinyl monomer of general formula (I) above and another compound copolymerizable therewith, or a mixture of said polymer (A) and said copolymer (B); and a product prepared by coating the said release agent on a non-adhesive surface of an adhesive article having an adhesive surface and the non-adhesive surface or on the surface of a release paper.