发明名称 |
LAUNDRY EVALUATION PIECE INCLUDING BLEACHING ACTIVITY INDICATOR |
摘要 |
LAUNDRY EVALUATION PIECE INCLUDING BLEACHING ACTIVITY INDICATOR SWATCH The effect of chlorine concentration in laundry solutions on the life of the laundered fabrics is signalled by a chlorine concentration indicator swatch, in which contrastingly hued dyes, including one whose chlorine resistance is measurably stronger than the other, are combined to dye fabric test swatches an initial color. Including such fabric test swatches in chlorinecontaining laundry solutions causes visually discernable changes in the hues of the swatches as the bleaching action progressively subtracts those dyes of lesser resistance. Chlorine concentration which, if excessive, seriously impairs laundered fabrics, may be determined by visually inspecting the swatches. |
申请公布号 |
CA2055152(A1) |
申请公布日期 |
1993.05.08 |
申请号 |
CA19912055152 |
申请日期 |
1991.11.07 |
申请人 |
HOWARD, EUGENE R.;ANDERSON, TERRY K. |
发明人 |
HOWARD, EUGENE R.;ANDERSON, TERRY K. |
分类号 |
C11D3/395;C11D3/40;D06L3/06;(IPC1-7):G01N31/22 |
主分类号 |
C11D3/395 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|