Patent ID: 8298572

Claim:
An adhesive pharmaceutical preparation containing bisoprolol, the preparation comprising: a backing; and a pressure-sensitive adhesive layer laminated on one side of the backing, said pressure-sensitive adhesive layer comprising at least one 2-alkyl-1-alkanol selected from the group consisting of 2-hexyl-1-decanol, 2-octyl-1-decanol, 2-hexyl-1-dodecanol, 2-octyl-1-dodecanol and 2-decyl-1-tetradecanol, a free base of bisoprolol, and a polyisobutylene pressure-sensitive adhesive comprising at least two species of polyisobutylene, wherein the first species of polyisobutylene has a viscosity average molecular weight of from 45,000 to 65,000 and the second species of polyisobutylene has a viscosity average molecular weight of from 4,000,000 to 5,000,000.