C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
8/87
C11D 7/18 (2006.01) C11D 3/39 (2006.01)
Patent
CA 1105657
ABSTRACT OF THE DISCLOSURE A process for the activation of peroxide-based bleaches comprises conjointly incorporating into an aqueous medium a peroxide-based bleach, a buffering agent to maintain the aqueous medium at a pH above 7.5, and cyana- mide, which has been found to be a highly effective peroxide activator when employed under alkaline conditions. Stable concentrated liquid and solid cyanamide-activated bleaching compositions are also disclosed.
271310
Kravetz Louis
Lutz Eugene F.
Shell Internationale Research Maatschappij B.v.
Smart & Biggar
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