Back to results
US 2016/0075977 A1Published application
Laundry care compositions containing dyes
AssigneeThe Procter & Gamble Company
InventorsGregory Scot MIRACLE, Eduardo TORRES
Life of this patent
Estimating the term…
Abstract
This application relates to laundry care compositions comprising carboxylate fabric shading dyes and methods of treating a textile comprising such laundry care compositions.
Claims19
A laundry care composition comprising from 0.00001 wt % to 0.5 wt % carboxylate dye having the structure of Formula I:
- D-L-CO2M Formula I
- wherein D is a dye moiety selected from benzodifuranes, methines, triphenylmethanes, naphthalimides, pyrazoles, naphthoquinones, anthraquinones and mono- and di-azo dyes and mixtures thereof, L is an organic linking group, and in the sequence of bonds starting from the carbonyl carbon of the C(O)OM group and ending at the dye moiety, any —(Ca(O)—Ob)— groups are incorporated such that the oxygen atom Ob is encountered prior to the carbonyl carbon Ca;
- and M is any suitable counterion.
A method of treating a textile, the method comprising the steps of (i) treating the textile with an aqueous solution comprising a laundry care adjunct and from 1 ppb to 500 ppm of a carboxylate dye;
- and (ii) rinsing and drying the textile, the dye comprising a dye having a structure of Formula I:
- D-L-CO2M Formula I
- wherein D is a dye moiety selected from benzodifuranes, methines, triphenylmethanes, naphthalimides, pyrazoles, naphthoquinones, anthraquinones and mono- and di-azo dyes and mixtures thereof;
- and L is an organic linking group having a molecular weight from 14 to 1000 Daltons, and in the sequence of bonds starting from the carbonyl carbon of the C(O)OM group and ending at the dye moiety, any —(Ca(O)—Ob)— groups are incorporated such that the oxygen atom Ob is encountered prior to the carbonyl carbon Ca;
- and M is any suitable counterion.
2 more elements
Dependencies are inferred from the claim text.