There is provided a soap that contains an indicator that produces an observable change after a period of time to show that sufficient cleaning has been done or to indicate the thoroughness of the cleaning. The soap is preferably made from two components that produce a color and/or viscosity changes after about 30 seconds of use. This use indicating change is useful for, for example, teaching children to wash their hands for a sufficient period of time.
申请公布号
CA2479209(C)
申请公布日期
2012.01.31
申请号
CA20032479209
申请日期
2003.03.05
申请人
KIMBERLY-CLARK WORLDWIDE, INC.
发明人
MACDONALD, JOHN GAVIN;AGARWAL, NAVEEN;HUANG, YANBIN;KIM, JAEHO