Laundry care composition comprising carboxylate dye

1. A laundry care composition comprising from about 0.00001 wt % to about 0.5 wt % thiophene azo carboxylate dye having the structure of Formula I:

wherein D 1 is a thiophene group;

wherein D 2 is a carbocylic phenylene;

wherein the two N atoms shown in Formula I bound directly to the carbocyclic

phenylene are in a para-substitution to one another;

wherein R 1 is independently selected from [(CH 2 CR′HO) x (CH 2 CR″HO) y ((CH 2 ) w NH) z Q], C 1-12 alkyl, C 6-10 aryl, or C 7 -C 22 aryl alkyl;

wherein R 2 is [(CH 2 CR′HO) x′ (CH 2 CR″HO) y′ (CH 2 ) w′ NH) z′ Q];

wherein the sum of x+y+x′+y′ is in the range of from about 0 to about 50;

wherein x is an integer from 0 to about 50;

wherein x′ is an integer from 0 to about 50;

wherein y is an integer from 0 to about 50;

wherein y′ is an integer from 0 to about 50;

wherein w and w′ are integers independently selected from about 2 and about 3;

wherein z and z′ are integers independently selected from 0 and about 1;

wherein R′ and R″ are each independently selected from the group consisting of H, C 1 -C 4 alkyl, CH 2 O(CH 2 CH 2 O) a ((CH 2 ) b NH) d Q, phenyl and CH 2 OR 5 ;

wherein each R 5 is independently selected from the group consisting of C 1 -C 16 linear or branched alkyl, C 6 -C 14 aryl, and C 7 -C 16 arylalkyl;

wherein each a is an integer independently selected from 0 to about 2;

wherein each b is an integer independently selected from about 2 to about 3;

wherein each d is an integer independently selected from 0 to about 1;

wherein each Q is independently selected from the group consisting of H and Y;

wherein each Y is an independently selected organic radical represented by Formula II:

wherein independently for each Y group:

M is H or a charge balancing cation;

m is an integer selected from 0 to about 5;

n is an integer selected from about 0 to about 5;

the sum of m+n is in the range of from about 1 to about 10; and

each R 8 is independently selected from the group consisting of H, C 3-18 or C 4 -C 18 linear or branched alkyl, and C 3-18 or C 4 -C 18 linear or branched alkenyl;

at least one R 8 group is not H;

wherein the sum of z+z′+d is at least 1;

characterized in that the dye comprises at least one Q group that is Y and is either:

(a) bound to a N atom in an R 1 group wherein the index z is 1; or

(b) bound to a N atom in an R 2 group wherein the index z′ is 1; or

(c) bound to a N atom in an R′ or R″ group wherein the index d is 1.

2. A laundry care composition according to claim 1 comprising a thiophene azo carboxylate dye having the structure of Formula III:

wherein D 1 is a thiophene group;

wherein R 6 is selected from the group consisting of H and C 1 -C 4 alkyl;

wherein R 1 and R 2 are defined according to claim 1 .

3. A laundry care composition according to claim 1 comprising a thiophene azo carboxylate dye having the structure of Formula IV:

wherein R 6 is selected from the group consisting of H and methyl;

wherein R 1 and R 2 are defined according to claim 1 , wherein each m is independently selected from 0 to 3, and wherein each n is independently selected from 0 to 3.

4. A laundry care composition according to claim 3 comprising a thiophene azo carboxylate dye wherein R 1 is [(CH 2 CH 2 O) y (CH 2 ) w NHQ];

wherein R 2 is [(CH 2 CF1 2 0) 3 ,′(CH 2 ) w ′NFIQl;

wherein m is 0 or 1;

wherein n is 0 or 1;

wherein the sum of m+n is 1 or 2; and wherein when the sum of y+y′ is at least 10.

5. A laundry care composition according to claim 1 comprising a laundry care adjunct wherein the laundry care adjunct comprises a first wash lipase.

6. A laundry care composition according to claim 5 wherein the laundry care adjunct comprises a fluorescent agent selected from: sodium 2 (4-styryl-3-sulfophenyl)-2H-napthol[1,2-djtriazole, disodium 4,4′-bis{[(4-anilino-6-{N methyl-N-2 hydroxyethyl)amino 1,3,5-triazin-2-yl)]amino}stilbeno-2-2′ disulfonate, disodium 4,4′-bis[(4-anilino-6-morpholino-1,3,5-triazin-2-yl)amino]stilbene-2-2′ disulfonate, and disodium 4,4′-bis(2-sulfostyryl)biphenyl.

7. A laundry care composition according to claim 1 , wherein the laundry care composition comprises a dye transfer inhibitor selected from the group consisting of:

(a) polyvinylpyrrolidone polymers;

(b) polyamine N-oxide polymers;

(c) copolymers of N-vinylpyrrolidone and N-vinylimidazole;

(d) polyvinyloxazolidones;

(e) polyvinylimidazoles; and

(f) mixtures thereof.

8. A laundry care composition according to claim 1 , wherein said laundry care composition is a unit dose pouch.

9. A laundry care composition according to claim 1 , wherein the composition comprises no more than 20 wt % water.

10. A laundry care composition according to claim 1 , wherein the composition comprises a perfume microcapsule having a D[4,3] average particle size of from about 0.01 micrometers to about 200 micrometers.

11. A method of treating a cellulosic and/or polyester and/or nylon-comprising textile, the method comprising the steps of:

(i) treating the textile with an aqueous solution comprising a laundry care composition according to claim 1 , wherein the concentration of thiophene azo carboxylate dye is from about 1 ppb to about 500 ppm;

(ii) optionally rinsing, and

(iii) drying the textile.