Granular non-phosphorus detergent bleach compositions

Details Granular non-phosphorus detergent bleach compositions Granular non-phosphorus detergent bleach compositions

C - Chemistry, Metallurgy

11

D

134/5.4

C11D 3/39 (2006.01) C11D 3/10 (2006.01) C11D 3/12 (2006.01) C11D 3/37 (2006.01)

Patent

CA 1288311

ABSTRACT Granular detergent bleach compositions substantially free of phosphorus-containing material comprising as builder 1) a carbonate/calcite mixture, 2) an aluminosilicate cation exchange material, 3) a nitrilotriacetic acid compound or a mixture of 2) and 3); a peroxygen bleaching agent and a granular non- phosphorus bleach activator composition comprising: (a) 50-90% by weight of a bleach activator; (b) 5-45% by weight of an inert non-alkaline, non- phosphate water-soluble salt; and (c) 1-15% by weight of a water-soluble, low- to non- carboxylate containing film-forming polymeric material of average molecular weight of from 500- 1,000,000. The granular non-phosphorus bleach activator composition has the advantage that it does not cause poisoning of calcite.

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