C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
8/113, 134/29
C11D 3/06 (2006.01) C11D 11/00 (2006.01) D06L 1/16 (2006.01)
Patent
CA 1139183
ABSTRACT:- A process for washing fabrics includes the steps of contacting the fabrics with a liquor containing a detergent active compound and an orthophosphate and subsequently contact- ing the fabrics with a liquor containing a polymer phosphate. The polymer phosphate may be added to the orthophosphate- containing liquor or may be present in a separate liquor. In the former case the polymer phosphate may be present from the start of the wash but in a form to delay its dissolution in the liquor, such as by being encapsulated, cogranulated or contained in a sachet. Delay times o about 5 minutes are disclosed. The method leads to seduced incrustation on fabrics.
363145
Morris Ronald M.
Poeselt Horst
Rabitsch Hermann
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Unilever Limited
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