C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
134/5.3
C11D 3/39 (2006.01) C11D 3/02 (2006.01) C11D 3/06 (2006.01)
Patent
CA 1226783
ABSTRACT Activated detergent bleach, composition comprising a peroxide compound bleach, a manganese catalyst and a detergency builder composition comprising : (i) a mixture of water-soluble, non-phosphorus organic sequestering builder and an alkaline buffer in a weight ratio of organic sequestering builder to alkaline buffer of from 10:1 to 1:60; or (ii) a mixture of alkali metal triphosphate and alkali metal pyrophosphate, the latter being present in at least 5% by weight of the former, but not more than 15% by weight of the total composition, the composition having a pH under use conditions of 9.5 to 12Ø The compositions are suitable for bleaching and clean- ning fabrics at lower temperatures.
469138
Oakes John
Bereskin & Parr
Plc Unilever
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