Machine Dishwashing Compositions and Methods
A machine dishwashing main-wash detergent composition or a dishwashing machine cleaning composition comprising at least one cellulase enzyme, and at least one pectinase enzyme is provided. The compositions optionally also comprise at least one lipase, surfactant (especially non-ionic surfactant) and a pH buffering system.
1 . (canceled)
2 . (canceled)
3 . (canceled)
4 . (canceled)
5 . (canceled)
6 . (canceled)
7 . (canceled)
8 . (canceled)
9 . (canceled)
10 . (canceled)
11 . (canceled)
12 . (canceled)
13 . (canceled)
14 . A machine dishwashing main-wash detergent composition or a dishwashing machine cleaning composition comprising;
(i) at least one cellulase enzyme, and
(ii) at least one pectinase enzyme.
15 . A composition according to claim 14 , wherein the at least one cellulase enzyme is present in an amount of from 0.005 wt % to 2.5 wt % of active enzyme based on the total weight of the composition
16 . A composition according to claim 14 wherein the at least one pectinase enzyme is present in an amount of from 0.005 wt % to 2.5 wt % of active enzyme based on the total weight of the composition.
17 . A composition according to claim 14 , wherein the composition further comprises at least one enzyme selected from lipases and proteases.
16 . A composition according to claim 17 , wherein the composition comprises an active amount of the at least one lipase and/or protease in the range of from 0.005 wt % to 2.5 wt % of active enzyme based on the total weight of the composition.
17 . A composition according to claim 14 , wherein the composition further comprises 0.1 to 10 wt % alkoxylated non-ionic surfactant based on the total weight of the composition.
18 . A composition according to claim 14 , wherein the composition is a machine cleaner composition and has an acidic pH.
19 . A composition according to claim 18 , wherein the composition is a machine cleaner composition having a pH of between 3 and 6.
20 . A composition according to claim 14 , wherein the composition is a machine cleaner composition and further comprises a citrate based buffering system.
21 . A composition according to claim 14 , wherein the composition is a machine dishwashing main-wash detergent composition and has a pH in the range of from 7 to 11.
22 . A method of cleaning the interior of an automatic dishwasher comprising the step of: contacting at least a part of the interior of the dishwasher with a composition according to claim 1 , or an aqueous dilution of a composition of claim 1 , whilst the automatic dishwasher is undergoing a washing and/or rinsing cycle.
23 . A method according to claim 22 , wherein the composition is a machine dishwashing main-wash detergent composition.
24 . A method according to claim 22 , wherein the composition is a machine cleaner composition.
25 . The method according to either one of claim 22 , wherein the dishwashing machine contains items of kitchenware in its interior during the washing and/or rinsing cycle and composition is a machine dishwashing main-wash detergent composition.
26 . The method according to claim 22 , wherein the dishwashing machine is empty during the washing and/or rinsing cycle and the composition is a machine cleaning composition.
27 . A method of cleaning the interior of an automatic dishwasher, the method comprising contacting at least a part of the interior of the dishwasher with a composition according to claim 1 , or an aqueous dilution of a composition of claim 1 , whilst the automatic dishwasher is not undergoing a washing or rinsing cycle.
28 . A product comprising a container having a dispensing means, wherein the container comprises a composition according to claim 14 .
29 . A product according to claim 28 , wherein the container is at least partly water soluble or water dispersible.
30 . A method of degrading fibrous/cellulosic residues in an automatic dishwasher, the method comprising the step of:
contacting at least a part of the interior of the dishwasher with a composition according to claim 1 , or an aqueous dilution of a composition of claim 1 .