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Antiperspirant Spray Devices and Compositions

a technology of antiperspirant spray and composition, which is applied in the directions of aerosol delivery, biocide, transportation and packaging, etc., can solve the problems of affecting skin feel, contributing to the appearance of white residue, and complicating the delivery of a uniform dose of antiperspirant active from an aerosol spray devi

Inactive Publication Date: 2015-01-22
THE PROCTER & GAMBLE COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent describes a hand held spray device that includes a reservoir for storing a total fill of materials. The device includes an actuator, a valve, and a propellant. The device also includes an antiperspirant composition that includes a non-volatile silicone fluid, an antiperspirant active, an organoclay material, and at least one liquid activation enhancer. The device can also include a liquid fragrance material. The patent also describes a method for filling the device by mixing the non-volatile silicone fluid, antiperspirant active, organoclay material, and liquid activation enhancer, and then adding the liquid fragrance material after the reservoir is filled with the first composition. The technical effects of the patent include improved spray performance, longer battery life, and improved fragrance experience.

Problems solved by technology

While some currently marketed aerosol spray devices may provide at least some of these benefits to varying degrees, there are often a series of tradeoffs involved depending on the combination of ingredients used.
Significant settling and / or agglomeration of particulates in an antiperspirant composition may complicate delivery of a uniform dose of the antiperspirant active from an aerosol spray device.
Significant settling and / or agglomeration of particulates in an antiperspirant composition may complicate delivery of a uniform dose of the antiperspirant active from an aerosol spray device.
This may in turn negatively impact skin feel or contribute to the appearance of a white residue.
Further, poor activation of the clay material may reduce flow of the antiperspirant composition into a dip tube and / or agglomerates may enter the dip tube and clog small orifices within the valve.
While there are benefits to including a liquid fragrance material in an antiperspirant composition, it is believed that at least some liquid fragrance materials may negatively affect activation of a clay material.
The volatile liquid evaporates following application to the skin, resulting in a dry skin feel, but sometimes leaves behind a visible residue (the antiperspirant active) that is subject to flaking and / or transfer to clothing.
Flaking (or transfer) of the antiperspirant active may also reduce antiperspirant efficacy.
However, a high propellant concentration also produces a large volume of gas upon exiting the spray device resulting in a gassy cloud and / or a turbulent spray.
A high propellant concentration may also result in solubilization of liquid fragrance materials into the propellant during storage, resulting in more of the liquid fragrance material being lost to the environment with the propellant rather than deposited on the skin.

Method used

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  • Antiperspirant Spray Devices and Compositions
  • Antiperspirant Spray Devices and Compositions
  • Antiperspirant Spray Devices and Compositions

Examples

Experimental program
Comparison scheme
Effect test

examples 1 to 9

[0192]Examples 1 to 6 describe some non-limiting comparative examples of antiperspirant compositions, while Examples 7 to 9 describe some non-limiting examples of antiperspirant compositions comprising a liquid activation enhancer.

IngredientEX 1EX 2EX 3EX 4EX 5EX 6EX 7EX 8EX 9Aluminum26.37%   26.37%   26.37%   26.37%   26.37%   26.37%   26.37%   26.37%   26.37%   Chlorohydrate1Cyclopentasiloxane52.5%  47% 47% 0%0%0%0%0%0%Dimethicone20%0%0%52.5%  47% 47% 43.5%  38% 38% Isopropyl Myristate0%0%0%0%0%0%9%9%9%Hydrophilic tapioca12% 12% 12% 12% 12% 12% 12% 12% 12% material3Stearalkonium4.25%  4.25%  4.25%  4.25%  4.25%  4.25%  4.25%  4.25%  4.25%  Hectorite4Triethyl Citrate1.38%  1.38%  1.38%  1.38%  1.38%  1.38%  1.38%  1.38%  1.38%  Silicone Gum50.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% Liquid Fragrance0%5.5% 5.5% 0%5.5% 5.5% 0%5.5% 5.5% Material6Complexed Beta3%3%3%3%3%3%3%3%3%CyclodextrinTotal100100100100100100100100100186% assay of anhydrous active, average particle size approxima...

examples 10 to 17

[0194]Examples 10 to 13 describe some non-limiting examples of antiperspirant compositions comprising a liquid activation enhancer, while Examples 14 to 17 describe some non-limiting comparative examples of antiperspirant compositions.

IngredientEX 10EX 11EX 12EX 13EX 14EX 15EX 16EX 17Aluminum26.5%  26.5%  16.32%   26.37%   26.5%  26.5%  26.5%  26.5%  Chlorohydrate1Dimethicone238.18%   38.18%   32.14%   43% 38.18%   38.18%   38.18%   38.18%   Isopropyl Palmitate9.05%  0%0%0%0%0%0%0%Butyl Stearate0%9.05%  0%0%0%0%0%0%Isopropyl Myristate0%0%29.98%   4%0%0%0%0%Mineral Oil0%0%0%0%9.05%  0%0%0%Isohexadecane0%0%0%0%0%9.05%  0%0%Octyldodecanol0%0%0%0%0%0%9.05%  0%PPG-14-Butyl0%0%0%0%0%0%0%9.05%  EtherHydrophilic tapioca12.06%   12.06%   7.43%  12% 12.06%   12.06%   12.06%   12.06%   material3Stearalkonium4.27%  4.27%  4.25%  4.25%  4.27%  4.27%  4.27%  4.27%  Hectorite4Triethyl Citrate1.39%  1.39%  1.38%  1.38%  1.39%  1.39%  1.39%  1.39%  Silicone Gum50%0%0%0.5% 0%0%0%0%Liquid Fragrance5.5...

examples 18 to 23

[0196]Examples 18 and 23 describe some non-limiting examples of antiperspirant compositions comprising C12-15 alkyl benzoate and isopropyl myristate.

IngredientEX 18EX 19EX 20EX 21EX 22EX 23EX 24Aluminum26.5%26.5%26.5%26.5%26.5%26.5%26.37%   Chlorohydrate15 Centistoke45.22% 38.18%   0%  0%  0%  0%0%Dimethicone210 Centistoke  0%  0%38.18%   0%  0%  0%0%Dimethicone220 Centistoke  0%  0%  0%38.18% 39.57%   0%0%Dimethicone250 Centistoke  0%  0%  0%  0%  0%38.18% 38% Dimethicone2C12-15 Alkyl Benzoate2.01%9.05%9.05%9.05%9.05%9.05%0%Isopropyl Myristate  0%  0%  0%  0%  0%  0%9%Hydrophilic tapioca12.06% 12.06% 12.06% 12.06% 12.06% 12.06% 12% material3Stearalkonium Hectorite44.27%4.27%4.27%4.27%4.27%4.27%4.25%  Triethyl Citrate1.39%1.39%11.39% 1.39%  0%1.39%1.38%  Silicone Gum5-nonenonenonenonenonenone0.5% Liquid Fragrance5.53%5.53%5.53%5.53%5.53%5.53%5.5% Material6Complexed Beta3.02%3.02%3.02%3.02%3.02%3.02%3%CyclodextrinTotal100100100100100100100186% assay of anhydrous active, average parti...

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Abstract

A hand held spray device is disclosed. The spray device has a body with a reservoir, an actuator having an actuator exit orifice, a valve in fluid communication with the actuator exit orifice and the reservoir, and a propellant and antiperspirant composition stored in the reservoir. The propellant has a concentration from 30% to 70% by weight of the total fill of materials stored within the reservoir. The antiperspirant composition includes a non-volatile silicone fluid having a concentration from about 30% to about 70% by weight of the antiperspirant composition, an antiperspirant active, an organoclay material and at least one liquid activation enhancer.

Description

TECHNICAL FIELD[0001]One aspect of the invention relates generally to spray devices containing an antiperspirant composition and a propellant. Yet another aspect of the invention relates generally to methods of using antiperspirant spray devices.BACKGROUND OF THE INVENTION[0002]Spray devices are generally well known in the art, some examples of which are disclosed in U.S. Pat. Nos. 4,396,152 and 5,082,652. Aerosol spray devices that dispense an antiperspirant composition are also known in the art. Various examples are described in U.S. Pat. No. 4,152,415; U.S. Pat. No. 4,806,338; U.S. Pat. No. 4,840,786; U.S. Pat. No. 4,904,463; U.S. Pat. No. 4,935,224; U.S. Pat. No. 5,298,236; U.S. Pat. No. 5,605,682; U.S. Pat. No. 5,814,309; U.S. Pat. No. 7,815,899; EP 674,899; and WO 96 / 04884; WO / 2004 / 014330; WO 2007 / 00184, commonly assigned U.S. Ser. No. 61 / 701,201 filed Sep. 14, 2012 and U.S. Ser. No. 61 / 789,480 filed Mar. 15, 2013, the substances of which are incorporated herein by reference.[...

Claims

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Application Information

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IPC IPC(8): A61K8/26A61Q15/00
CPCB65D83/752B65D83/20A61Q15/00A61K8/26B65D83/60A61K8/0241A61K8/046A61K8/37A61K8/4953A61K8/585A61K8/64A61K8/891A61K2800/59A61K2800/87B05B7/0483B65D83/48B65D83/46B65D83/54A61K8/42B05B15/50
Inventor MENON, ELTON LUISSWAILE, DAVID FREDERICK
Owner THE PROCTER & GAMBLE COMPANY