C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 10/02 (2006.01) C11D 3/20 (2006.01) C11D 3/37 (2006.01) C11D 17/00 (2006.01)
Patent
CA 2157773
A detergent composition which is suitable for making into bars for personal washing comprises: (a) 10-60 %wt of a synthetic, non-soap detergent; (b) 10-60 %wt of water-soluble material which is neither soap nor a non-soap detergent and which has a melting point in the range 40 °CC to 100 °C; and (c) 5-50 %wt of water-insoluble material which is neither soap nor a non-soap detergent and which has a melting point in the range 40 °C to 100 °C. The content of water, if any does not exceed 20 %wt of the composition and better is less than 15 %wt. The materials (b) and (c) serve to give structure to the bars. The composition can be propared by melting together the above-mentioned components at a temperature of 50-100 °C, without the conventional energetic working. Desirably the molten mixture contains less than 20 %wt material, other than synthetic, non-soap detergent, which does not enter the liquid phase. The melt can be cast into bars or cooled, milled, plodded and stamped into bars.
Chambers John George
Joy Bryan Stuart
Bereskin & Parr Llp
Plc Unilever
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