Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Patent
1994-06-13
2000-08-01
Willis, Prince
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
C11D 760
Patent
active
060966963
ABSTRACT:
A pH controlled protein removal system and method in the substantial absence of (a) enzyme and (b) a surfactantly effective amount of a surfactant is disclosed. The method comprises contacting a [polymeric] substrate with a cleaning composition therefor, which compostion is substantially free of (a) enzyme and (b) surfactantly effective amount of a surfactant, for a period of time at an alkaline pH and removing said substrate from said composition.
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Dandridge Rosalind
Tsao Fu-Pao
Ciba Vision Corporation
Gorman, Jr. Robert J.
Meece R. Scott
Willis Prince
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