Incontinence testing materials involves use of a mark containing a combination of a color-complexing substance and an optionally oxygen-bonded metal or metalloid

摘要

An incontinence material has a mark showing whether or not the material has been used. The mark comprises: (A) a color-complexing substance; and (B) a substance containing an oxygen- and/or metal-bonded metal or metalloid where (A) and (B) form a color in the presence of liquid water.