Washing and Cleaning Products Comprising Immobilized Active Ingredients
Capsules which comprise an immobilized active ingredient in a matrix, wherein the active ingredient is bound to a substrate, and cleaning/detergent compositions comprising such a capsule and a surfactant, methods for the preparation of such compositions and their use are described.
1 - 15 . (canceled)
16 . An aqueous composition comprising a surfactant and a capsule, wherein the capsule comprises an immobilized active ingredient in a matrix, and wherein the active ingredient is bound to a substrate.
17 . The composition according to claim 16 , wherein the substrate has binding specificity for the active ingredient.
18 . The composition according to claim 16 , wherein the active ingredient comprises a component selected from the group consisting of enzymes, metal cations and combinations thereof.
19 . The composition according to claim 17 , wherein the active ingredient comprises a component selected from the group consisting of enzymes, metal cations and combinations thereof.
20 . The composition according to claim 16 , wherein the immobilized active ingredient comprises an enzyme-substrate complex.
21 . The composition according to claim 16 , wherein the active ingredient comprises an enzyme selected from the group consisting of cellulases, proteases, amylases, lipases and mixtures thereof.
22 . The composition according to claim 19 , wherein the enzyme-substrate complex comprises an enzyme selected from the group consisting of cellulases, proteases, amylases, lipases and mixtures thereof.
23 . The composition according to claim 16 , wherein the active ingredient comprises a cellulase and the substrate comprises a cellulose.
24 . The composition according to claim 16 , wherein the active ingredient comprises an amylase and the substrate comprises a corn starch.
25 . The composition according to claim 16 , wherein the capsule further comprises a hollow microsphere.
26 . The composition according to claim 16 , wherein the matrix comprises a material selected from the group consisting of carrageenans, alginates, gellan gums and mixtures thereof.
27 . The composition according to claim 17 , wherein the matrix comprises a material selected from the group consisting of carrageenans, alginates, gellan gums and mixtures thereof.
28 . The composition according to claim 18 , wherein the matrix comprises a material selected from the group consisting of carrageenans, alginates, gellan gums and mixtures thereof.
29 . The composition according to claim 21 , wherein the matrix comprises a material selected from the group consisting of carrageenans, alginates, gellan gums and mixtures thereof.
30 . The composition according to claim 16 , wherein the capsule further comprises a filler.
31 . The composition according to claim 16 , wherein the capsule further comprises a filler selected from the group consisting of silicic acids, aluminum silicates and mixtures thereof.
32 . The composition according to claim 16 , wherein the capsule has a diameter along its largest dimension of 0.01 to 10,000 μm.
33 . A process comprising:
(a) binding an active ingredient to a substrate to form a substrate-bound active ingredient;
(b) incorporating the substrate-bound active ingredient in a matrix; and
(c) combining the matrix containing the substrate-bound active ingredient with a surfactant.
34 . A capsule comprising an immobilized active ingredient in a matrix, wherein the active ingredient is bound to a substrate.
35 . A method comprising: (a) providing a textile fabric; and (b) contacting the textile fabric with a composition according to claim 16.