IP Library › Granted Patent US 8,283,300
Granted Patent B2
US 8,283,300 · App. 13/182,719 · Granted Oct 9, 2012

Detergent products, methods and manufacture

Assignee: The Procter & Gamble Company
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Quick Facts
Patent No.
US 8,283,300
App. No.
13/182,719
Granted
Oct 9, 2012
Kind
B2
Abstract

A water-soluble pouch suitable for use in machine dishwashing and which comprises a plurality of compartments in generally superposed or superposable relationship, each containing one or more detergent active or auxiliary components, and wherein the pouch has a volume of from about 5 to about 70 ml and a longitudinal/transverse aspect ratio in the range from about 2:1 to about 1:8, preferably from about 1:1 to about 1:4. The water-soluble pouch allows for optimum delivery of dishwashing detergent. A process for the manufacture of multi-compartment pouches and a pack to contain the pouches are also disclosed.

Claims (15)

1. A unit dose machine dishwashing article comprising: a water-soluble pouch comprising at least a first compartment wherein the first compartment comprises a powder composition comprising manganese triazacyclononane or a related complex.

2. The article of claim 1 , wherein the manganese triazacyclononane or a related complex is a compound having the formula:

wherein R 1 -R 6 can each be hydrogen or a C 1 -C 4 alkyl group.

3. The article of claim 2 , wherein R1-R6 are each independently selected from hydrogen or methyl.

4. The article of claim 3 , wherein the article further comprises a second compartment.

5. The article of claim 4 , wherein the second compartment further comprises a liquid, paste, or gel composition.

6. A method of washing dishes comprises the step of dosing an article of claim 1 into an automatic dishwashing machine.

7. The article of claim 5 , wherein at least the first compartment and the second compartment are superposable.

8. The article of claim 7 , wherein the liquid, paste, or gel composition comprises a nonionic surfactant.

9. The article of claim 8 , wherein the powder composition of the first compartment further comprises a bleaching agent.

10. The article of claim 1 , wherein the polymer comprises acrylic acid and methacrylic acid copolymers.

11. The article of claim 9 , wherein the ratio of the liquid composition to the solid composition is from about 1:30 to about 30:1.

12. The article of claim 11 , wherein the ratio of the liquid composition to the solid composition is from about 1:15 to about 1:20.

13. The article of claim 12 , wherein the'powder composition comprises from about 0.0001% to about 2% by weight of the composition of an enzyme.

14. The article of claim 13 , wherein the liquid compartment comprises a warm water soluble material and wherein the powder compartment comprises a cold water soluble material.

Priority Claims (4)
GB 0028821.7 · Nov 27, 2000 · national
GB 0028823.3 · Nov 27, 2000 · national
GB 0111131.9 · May 5, 2001 · national
GB 0127279.8 · Nov 14, 2001 · national
Continuity (7)
Continuation 13182659 · Jul 14, 2011
Continuation 13182610 · Jul 14, 2011
Continuation 11975449 · Oct 19, 2007
Division 10978941 · Nov 1, 2004
Division 09994533 · Nov 27, 2001
Provisional Application 60265462 · Jan 31, 2001
Related Publication 20110265829A1 · Nov 3, 2011