公开(公告)号：US20250152767A1

公开(公告)日：2025-05-15

申请号：US19020503

申请日：2025-01-14

Applicant: ECOLAB USA INC.

Inventor： Kaitlin Lake ,  Conor Smith ,  Karl Heinbuch ,  Matthew Paul Molinaro

IPC: A61L2/28 ,  G01N21/80 ,  G01N31/22

Abstract: The disclosure relates to pH sensitive color indicators which indicate the efficacy of a cleaning composition for antimicrobial activity by exhibiting a color change. In particular, the pH sensitive color indicators comprise a pH sensitive dye and a substrate, wherein the dye is bound to the substrate. In an aspect of the disclosure, the dye can be chemically bound, physically bound, coated on a substrate, or painted on a substrate.

公开(公告)号：US12226543B2

公开(公告)日：2025-02-18

申请号：US16871772

申请日：2020-05-11

Applicant: ECOLAB USA INC.

Inventor： Kaitlin Lake ,  Conor Smith ,  Karl Heinbuch ,  Matthew Paul Molinaro

IPC: A61L2/28 ,  G01N21/80 ,  G01N31/22

Abstract: The disclosure relates to pH sensitive color indicators which indicate the efficacy of a cleaning composition for antimicrobial activity by exhibiting a color change. In particular, the pH sensitive color indicators comprise a pH sensitive dye and a substrate, wherein the dye is bound to the substrate. In an aspect of the disclosure, the dye can be chemically bound, physically bound, coated on a substrate, or painted on a substrate.