The present invention relates to a colorant composition comprising a cationic polyamine polymer, a crosslinker polymer and a dye. The composition can be used to impart color to a wide variety of fiber-containing substrates with a high degree of color-fastness.
ANTI-VIRAL TISSUE PRODUCT WITH VISUAL EFFICACY INDICATOR
申请人:Kimberly-Clark Worldwide, Inc.
公开号:EP2519133B1
公开(公告)日:2015-07-01
Anti-viral tissue product with visual indicator
申请人:MacDonald John Gavin
公开号:US20110158916A1
公开(公告)日:2011-06-30
Anti-viral tissues are provided with a pH indicator which provides the tissue user with a visual indicia, via color changes, that the tissue has active ingredients. Furthermore, the pH indicators can be used to illustrate neutralization of the pH of infected nasal discharge, which has a higher pH than healthy nasal discharge, giving the user a reason to believe that the product is working to deactivate virus.