Concentrated non-aqueous fabric conditioners
AssigneeConopco, Inc., d/b/a UNILEVER
InventorsBalu Kunjupillai, Gaurav Pathak, Dhanalakshmi Thirumeni
Life of this patent
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Abstract
A non-aqueous concentrated liquid fabric conditioner composition, the composition comprising; a. 10 to 85 wt. % ester linked quaternary ammonium compound; and b. solvent selected from; i. hydrocarbons comparing 5 to 19 carbon atoms; ii. solvents having a δD dispersion parameter of greater than 16.5 MPa1/2 and a δP polarity parameter of 2.5 to 8 MPa1/2; and iii. mixtures thereof.
Claims12
A method of using a non-aqueous concentrated liquid fabric conditioner composition, the composition comprising;
- a) 10 to 85 wt. % ester linked quaternary ammonium compound;
- and
- b) Solvent selected from;
- i. Hydrocarbons comparing 5 to 19 carbon atoms;
- ii. Solvents having a δD dispersion parameter of greater than 16.5 MPa1/2 and a δP polarity parameter of 2.5 to 8 MPa1/2;
- and
- iii. Mixtures thereof;
- c) less than 20 wt. % water;
- wherein the composition is diluted with water, prior to being added to the laundry process.
A method according to any preceding claim, wherein the composition comprises Solvent selected from;
- i. Hydrocarbons comparing 5 to 19 carbon atoms;
- ii. Solvents having a δD dispersion parameter of greater than 18 MPa1/2 and a δP polarity parameter of 2.5 to 8 MPa1/2;
- and
- iii. Mixtures thereof.
A method according to any preceding claim, wherein the composition comprises Solvent selected from;
- i. Hydrocarbons comparing 5 to 19 carbon atoms;
- ii. Solvents having a δD dispersion parameter of greater than 18 MPa1/2 and a δP polarity parameter of 4.5 to 7 MPa1/2;
- and
- iii. Mixtures thereof.
A method according to any preceding claim, wherein the composition further comprises perfume oil.
A method according to any preceding claim, wherein the composition further comprises 0.5 to 20 wt. % perfume microcapsules.
A method according to any proceeding claim, wherein the composition is isotropic.
A method according to any proceeding claim, wherein the composition has a turbidity measurement of less than 2 NTU.
A method according to any preceding claim wherein the composition is packaged as a unit dose in a polymeric film soluble in water.
A method of producing a non-aqueous concentrated fabric conditioner composition wherein the ester linked quaternary ammonium compound and solvent are heated together, to a temperature above 45° C.
A method according to any preceding claim, wherein the composition is diluted with water with a dilution ratio of non-aqueous concentrated liquid fabric conditioner composition to water of 1:2 to 1:20.
Dependencies are inferred from the claim text.