Inhibition of dye migration

Details Inhibition of dye migration Inhibition of dye migration

C - Chemistry, Metallurgy

07

F

C07F 13/00 (2006.01) C07D 213/38 (2006.01) C07D 213/53 (2006.01) C07D 255/04 (2006.01) C07D 257/10 (2006.01) C07D 487/22 (2006.01) C09B 47/24 (2006.01) C09B 55/00 (2006.01) C11D 3/00 (2006.01) C11D 3/16 (2006.01) C11D 3/22 (2006.01) C11D 3/28 (2006.01) C11D 3/32 (2006.01) C11D 3/34 (2006.01) D06L 1/12 (2006.01)

Patent

CA 2165128

A process is described for inhibiting the re-absorption of migrating dyes in the wash liquor, comprising introducing into a wash liquor containing a peroxide-containing detergent, from 0.5 to 150, preferably from 1.5 to 75, especially from 7.5 to 40 mg, per litre of wash liquor, of one or more compounds having the formula (1), (2), (3), (4), (5), (6), (7), (8), (9), (10), (11), (12), (13) or (14) as defined in the specification. The compounds of formula (1), (2), (3), (4), (5), (6), (8), (9) (10), (11), (12), (13) or (14) are new compounds. The compounds used do not exhaust at all on to cotton, polyamide or polyester fibres, so that the compounds cannot lead to fibre discolouration problems.

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