US 11,028,347 B2Granted

Stable unit dose detergent pacs

AssigneeHenkel IP & Holding GmbH

InventorsDaniel Thomas Piorkowski, Casey Elphege Camire

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Abstract

Stable unit dose detergent pacs are provided which are less prone to leakage or breakage and more aesthetically pleasing during handling. The unit dose pacs include a water-soluble container formed from a water-soluble or water-dispersible film and a wash composition encapsulated in the container. According to one embodiment, the wash composition includes an anionic surfactant present at from about 2% to about 35%, a non-ionic surfactant present at from about 2% to about 30%, and a solvent system present at from about 37.5% to about 80%, characterized in that the solvent system is composed of water and a single non-aqueous solvent only, or composed of water, a single non-aqueous solvent, and a residual solvent (less than 5%) only.

Claims20

Dependent claims

A unit dose pac comprising:

a container formed from a water-soluble or water-dispersible film;
and
a liquid composition entrapped in the container, wherein the liquid composition is free of glycerin, propylene glycol and polyethylene glycol having a weight average molecular weight of about 400 g/mol and comprises:
(a) a beneficial composition comprising a C12-C14 alkyl ethoxylated sulphate in an amount of from about 8% to about 20% actives by weight of the liquid composition, and a C12-C15 alcohol ethoxylate in an amount of from about 20% to about 25% by weight of the liquid composition;
and
(b) a solvent system comprising water in an amount of 24 to 25% by weight of the liquid composition, a single non-aqueous solvent selected from the group consisting of polyethylene glycol having a weight average molecular weight of about 3350 g/mol and polyethylene glycol 100 stearate and present in an amount of 25% by weight of the liquid composition, and a residual solvent comprising ethanol in an amount of from 0 to 5% by weight of the liquid composition.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application: 15/880,682Filed 26 Jan 2018
Published: US 2019/0233768 A11 Aug 2019
Granted: 8 Jun 2021
Term ends: Not estimatedThe source records don’t support an estimate.

Classification6 codes

C11D 3/43
Other compounding ingredients of detergent compositions covered in group C11D1/00: solvents
C11D 1/83
Non-ionic compounds: mixtures of non-ionic with anionic compounds
C11D 17/043
Water soluble or water disintegrable containers or substrates containing cleaning compositions or additives for cleaning compositions: liquid or…
C11D 1/29
Sulfonic acids or sulfuric acid esters; Salts thereof: sulfates of polyoxyalkylene ethers

Family

US 2019/0233768 A1Pre-grant publication · published 1 Aug 2019
US 11,028,347 B2This patent

From the US filing history. Foreign family members aren’t listed.

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