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US 8,524,646 B2Granted
Multi-compartment pouch
AssigneeThe Procter & Gamble Company
InventorsCarlo Ricci, Luca Sarcinelli
Life of this patent
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Abstract
A multi-compartment pouch comprising a first compartment and a second compartment, wherein, the first compartment comprises a solid composition, wherein the solid composition comprises; an oxygen bleach source; a bleach activator; a polycarboxylate polymer; and the second compartment comprises a liquid composition, wherein the liquid composition comprises; a low molecular weight solvent.
Claims18
A multi-compartment pouch comprising a first compartment and a second compartment,
- wherein,
- the first compartment comprises a solid composition, wherein the solid composition comprises:
- a) an oxygen bleach source;
- b) a bleach activator having the formula:
- wherein R is an alkyl chain, linear or branched, containing from 1 to 11 carbon atoms;
- and
- c) a polycarboxylate polymer, wherein the polycarboxylate polymer is a maleic acid/acrylic acid copolymer having the following formula:
- wherein x and y are integers and each independently selected from 5 to 1000;
- and the second compartment comprises a liquid composition, wherein the liquid composition comprises:
- a low molecular weight solvent selected from the group consisting of diethylene glycol, diethylene glycol mono propyl ether, diethylene glycol mono butyl ether, dipropylene glycol, glycerol, and mixtures thereof;
- and
- wherein the liquid composition further comprises a polyamine having the formula:
9 more elements
A multi-compartment pouch comprising a first compartment and a second compartment,
- wherein the first compartment comprises a solid composition, wherein the solid composition comprises:
- a) an oxygen bleach source;
- b) a bleach activator;
- and
- c) a polycarboxylate polymer;
- and the second compartment comprises a liquid composition, wherein the liquid composition comprises:
- a low molecular weight solvent selected from the group consisting of diethylene glycol, diethylene glycol mono propyl ether, diethylene glycol mono butyl ether, dipropylene glycol, glycerol, and mixtures thereof;
- and
- a polyamine having the formula:
6 more elements
Dependencies are inferred from the claim text.