Patent ID: 7705194
Filing Date: 2010-04-27
Classification: A61F,Y10T

Abstract:
1. An article for use in conjunction with an undergarment in the form of a pad comprising a pliable substrate and an effervescent agent disposed on the substrate, the effervescent agent comprising a mixture of an acid compound and a base compound that, upon being contacted with urine, react and produce a gas, the substrate having a body side face and an outside face, the body side face facing the skin of the wearer when the article is worn, the effervescent agent having a size of from about 5 micrometers to about 40 micrometers, and the effervescent agent being disposed on the substrate in a manner such that when the pad is wetted with urine, the effervescent agent releases a gas to alert the wearer of urination, wherein the effervescent agent is encapsulated in a shell material, the shell material releases the effervescent agent when wetted with urine.