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Natural antimicrobial compositions

a technology of compositions and antimicrobials, applied in the field of natural antimicrobial compositions, can solve the problems of poor stability, unsatisfactory color and odor, and ineffective against a broad spectrum of microorganisms, and achieve the effects of no odor, no odor, and easy to work with and incorporate into finished products

Inactive Publication Date: 2016-06-09
LINCOLN MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention provides cheap and easily useable antimicrobial compositions that have no odor and reduced color compared to prior systems. The inventors found that caprylic acid helps to dissolve and keep stable a waxy fatty acid, which increases its antimicrobial effect.

Problems solved by technology

There are many drawbacks to currently available natural and naturally-derived antimicrobial formulations.
They are expensive, and high concentrations of them (for instance, >2%) are often required to prevent microbial growth and preserve a product.
Many have undesirable colors and odors, have poor stability (for example, in aqueous systems), and are not effective against a broad spectrum of microorganisms.
Additionally, some such natural or naturally-derived antimicrobial mixtures cause thinning of formulations.
Many are oils or extracts which limits their usage in various formulations.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0071]The solubility and stability of 20% and 25% lauric acid in glycereth 2-cocoate, 1,3-propanediol, caprylic acid, and certain mixtures of them was determined. The results are shown below.

Solubility ofSolubility ofSolvent20% Lauric Acid25% Lauric AcidGlycereth 2-CocoateNot SolubleNot Soluble1,3 PropanediolNot SolubleNot SolubleCaprylic acidSoluble / StableSoluble / StableCaprylic acid +Soluble / StableSoluble / StableGlycereth 2-CocoateCaprylic acid +Soluble / StableSoluble / Stable1,3 Propanediol

example 2

[0072]The following compounds and mixtures were added to a DEA / sulfate shampoo system to assess their ability to act as thickeners. The results are provided below.

Thicken DEA / SulfateShampoo Systems withoutCompound or Mixturesalt5% Glycereth 2-CocoateNo5% 1,3 PropanediolNo2% Lauric / Caprylic acidYes2% Lauric / Caprylic acid +YesGlycereth 2-Cocoate2% Lauric / Caprylic acid +Yes1,3 Propanediol

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PUM

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Abstract

The present invention provides novel antimicrobial compositions. In one embodiment, the antimicrobial composition comprises an antimicrobial effective amount of a mixture comprising (a) two or more fatty acids, each of which is natural or naturally derived, and (b) at least one of (i) a natural or naturally derived product, (ii) an alcoholic solvent, or (iii) an organic acid or a salt thereof. The present invention also provides a product comprising a preservative effective amount of the aforementioned mixture.

Description

[0001]The present application claims the benefit of U.S. Provisional Application No. 61 / 482,353, filed May 4, 2011, which is hereby incorporated by reference.FIELD OF THE INVENTION[0002]The present invention relates to antimicrobial mixtures, for instance, comprising (a) two or more fatty acids, each of which is natural or naturally derived, and (b) at least one of (i) a natural or naturally derived product, (ii) an alcoholic solvent, or (iii) an organic acid.BACKGROUND[0003]There are many drawbacks to currently available natural and naturally-derived antimicrobial formulations. They are expensive, and high concentrations of them (for instance, >2%) are often required to prevent microbial growth and preserve a product. Many have undesirable colors and odors, have poor stability (for example, in aqueous systems), and are not effective against a broad spectrum of microorganisms. Additionally, some such natural or naturally-derived antimicrobial mixtures cause thinning of formulatio...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A01N37/02A61K8/34A61K8/33A61Q19/10A61Q5/02A61Q19/00A61Q5/12A01N31/02A61K8/368
CPCA01N37/02A01N31/02A61K8/345A61K8/33A61Q19/10A61Q5/02A61Q19/007A61Q5/12A61K8/368A61K8/34A61K8/361A61Q17/005A61Q19/00C09D5/14C10L1/14C10L1/18C10L1/1802C10L1/1826C10L1/188C10L1/1881C10L1/1895C10L10/00C10L2230/083C10M129/02C10M2207/022C10M2207/122C10M2207/124C10M2207/125C10M2207/141C10M2207/144C10N2030/16C11D3/2034C11D3/2044C11D3/2065C11D3/2079C11D3/2089C11D3/2093C11D3/43C11D3/48C11D9/267D21H17/06D21H17/14D21H19/14D21H21/36Y10T428/4935Y10T442/2525A01N25/02A01N37/06A01N37/10A01N37/36A01N2300/00
Inventor LUTZ, PAT
Owner LINCOLN MFG
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