ACID SALT OF TOLTERODINE HAVING EFFECTIVE STABILITY FOR TRANSDERMAL DRUG DELIVERY SYSTEM

摘要

The present invention relates to an acid salt of tolterodine with superior stabililty and useful as a transdermal drug delivery system. More specifically, the present invention relates to a novel acid salt of tolterodine with superior stabililty to the conventional acid salts of tolterodine, which is useful as a pharmaceutical composition for the treatment of overactive bladder and can be formulated into a transdermal drug delivery system.