Patent ID: 8034374

Claim:
A storage stable adhesive patch comprising: a support; and an adhesive layer laminated on the support, the adhesive layer comprising 1-25% by mass of sodium diclofenac, 1-6% by mass of polyethylene glycol having an average molecular weight in an amount selected from the group consisting of 1300-1600, 2600-3800 and 7300-9300, 1-6% by mass of zinc stearate, ammonium chloride present in the range of 0.5-10 times the number of moles of sodium diclofenac, 20-45% by mass of alicyclic petroleum resin, 10-35% by mass of styrene-isoprene-styrene block copolymer, and 2-20% by mass of polyisobutylene.