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An antimicrobial composition

An anti-microbial, composition technology, applied in the direction of biological control chemicals, biocides, animal repellents, etc., can solve problems such as affecting the aesthetic performance of preparations

Pending Publication Date: 2019-07-23
UNILEVER IP HLDG BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The use of relatively high levels of silver compounds tends to affect the aesthetic properties of the formulation

Method used

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  • An antimicrobial composition
  • An antimicrobial composition
  • An antimicrobial composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0096] In vitro experiments were performed using the ingredients of the composition of the invention to find out the antimicrobial efficacy:

[0097] The following protocol was used to assess biocidal activity.

[0098] In Vitro Time-Kill Protocol - ASTM 2783

[0099] Experiments were performed with the individual components of the composition and their combinations in pure systems.

[0100] Prepare the following samples for these experiments:

Embodiment A

[0102] As a control, 1.5 g of sodium laurate was dissolved in 100 mL of demineralized water. Add 0.1mg (ie 1ppm) Ag to it 2 O (as silver DTPA complex). 10 mL of this solution was used for the antimicrobial efficacy test.

Embodiment B

[0104] In this example, 1.5 g of sodium laurate and 1.5 g of sodium alpha-olefin sulfonate (from Godrej Chemicals) were dissolved in 100 mL of demineralized water. Add 0.1mg (ie 1ppm) Ag to it 2 O (as silver DTPA complex). 10 mL of this solution was used for the antimicrobial efficacy test.

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Abstract

The present invention relates to an antimicrobial composition and more particularly an antimicrobial composition for cleansing applications that provides antimicrobial efficacy in relatively short contact times. Accordingly, the present invention provides an antimicrobial composition comprising: a) 0.1 to 100 ppm by weight of a silver compound; b) a salt of a sulphonic acid; and, c) 1 to 85% by weight of a salt of fatty acid wherein, the sulphonic acid is an aromatic sulphonic acid.

Description

technical field [0001] The present invention relates to antimicrobial compositions, and more particularly to antimicrobial compositions for cleaning applications, which provide antimicrobial efficacy within a relatively short contact time. Background technique [0002] The antimicrobial benefits of soap based cleaning compositions are related to the removal of organisms from surfaces by the cleaning / detergency action of these products. Contact / cleaning times need to be sufficiently long in most cases to achieve adequate and effective antimicrobial efficacy. However, the habit of consumers washing their hands / body parts or any other surface does not last very long. Furthermore, the biocidal effect of soap compositions against Gram-positive bacteria is considerably limited within the typical contact times of product use (usually under 1 minute, more often about 30 seconds or less). [0003] Various approaches for improving the antimicrobial activity of soap-based cleaning co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N59/16A01N25/30A61L2/16A61L2/18A01P1/00
CPCA01N59/16A61L2/18A01N41/04A01N25/30A01N37/02
Inventor S·阿帕沃V·伊耶N·萨尔高恩卡尔
Owner UNILEVER IP HLDG BV