公开(公告)号：US20060073999A1

公开(公告)日：2006-04-06

申请号：US11242766

申请日：2005-10-04

Applicant: Giorgia Sgargetta ,  Stacie Hecht ,  Jichun Shi ,  Mark Sivik ,  Donald Wilke

Inventor： Giorgia Sgargetta ,  Stacie Hecht ,  Jichun Shi ,  Mark Sivik ,  Donald Wilke

IPC: C11D3/39

CPC classification number: C11D3/168 ,  C11D3/40

Abstract: The present invention relates to a composition with a metal-complexing dye and surfactant for giving a color change when in contact with selected metal ions.