Powdered composition comprising a fireproofing agent

Patent metadata

Field	Value
Publication number	US-11773328-B2
Application number	US-201916766237-A
Country	US
Kind code	B2
Filing date	Mar 1, 2019
Priority date	Mar 5, 2018
Publication date	Oct 3, 2023
Grant date	Oct 3, 2023

Abstract

The present disclosure relates to the field of delivery systems. Described herein is a powdered composition comprising including granules having a hydrophobic active ingredient dispersed in a polymeric matrix, wherein the powdered composition contains a fireproofing agent. The fireproofing agent defined in the present disclosures includes talc that, when present in the powdered composition, prevents a dust explosion risk when the powdered composition is manufactured, handled or dosed into a consumer product.

First claim

The invention claimed is:

1. A powdered composition comprising at least one dried granule, wherein the granule comprises a perfume oil or a flavour oil dispersed in a polymeric matrix, wherein the powdered composition contains a fireproofing agent comprising talc, wherein a weight ratio between the granule and the talc in the powdered composition is between 30:70 and 60:40; and wherein the powdered composition has a minimum ignition energy (MIE)≥300 mJ and the talc has a mean particle size between 5 and 50 microns.

2. A powdered composition comprising at least one dried granule, wherein the granule comprises:
a polymeric matrix, and
an oil phase comprising a perfume oil or a flavour oil, dispersed in said matrix,
wherein a fireproofing agent comprising talc is dispersed within the polymeric matrix;
wherein the talc has a mean particle size between 5 and 50 microns;
wherein a weight ratio between the granule and the talc in the powdered composition is between 30:70 and 60:40; and
wherein the powdered composition has a minimum ignition energy (MIE)≥300 mJ.

3. The powdered composition according to claim 1 , wherein a totality of the perfume oil or the flavour oil is not encapsulated in core-shell microcapsules in the polymeric matrix.

4. The powdered composition according to claim 1 , wherein a totality of the perfume oil or the flavour oil is encapsulated in core-shell microcapsules in the polymeric matrix.

5. The powdered composition according to claim 1 , wherein at least one part of the perfume oil or the flavour oil is freely dispersed in the polymeric matrix and at least one part of the perfume oil or the flavour oil is encapsulated in core-shell microcapsules in the polymeric matrix.

6. The powdered composition according to claim 1 , wherein the powdered composition further comprises an anti-caking agent.

7. The powdered composition according to claim 1 , wherein the polymer matrix is a water-soluble polymer matrix selected from the group consisting of maltodextrin, modified starch, and mixtures thereof.

8. The powdered composition according to claim 1 , wherein the weight ratio between the granule and the talc is comprised between 40:60 and 55:45.

9. The powdered composition according to claim 1 , wherein the powdered composition further comprises an anti-caking agent comprising silica.

10. The powdered composition according to claim 1 , wherein the granule has a mean particle size between 35 and 300 microns.

11. A powdered consumer product, comprising the powdered composition as defined in claim 1 .

12. A powdered consumer product in a form of a dry shampoo, talcum powder, powder detergent, detergent beads, solid scent booster, cat litter, powder hair dye, antiperspirant composition, deodorant composition, comprising the powdered composition as defined in claim 1 .

Assignees

• Firmenich & Cie

Inventors

• Osborne Murray
• Mandhane Bhavesh

Classifications

• C09K21/02 Primary

  Inorganic materials · CPC title

• A01K1/0152

  Litter · CPC title

• A61K8/11

  Encapsulated compositions · CPC title

• A61K8/25 Primary

  Silicon; Compounds thereof · CPC title

• A61K8/26

  Aluminium; Compounds thereof · CPC title