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Antimicrobial and sporicidal composition

a technology of spores and compositions, applied in the direction of disinfectants, biocides, antibacterial agents, etc., can solve the problems of increasing the permeability of the spore, weakening the spore coat, etc., and achieve the effect of enhancing the microbiocidal activity

Inactive Publication Date: 2008-04-24
PURE IP LC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0009] It has been recognized that it would be advantageous to develop germicidal composition with enhanced microbiocidal activities for killing microbiological spores, microbiological outgrowth from spores, and vegetative microorganisms. The invention provides a germicidal composition with enhanced microbiocidal activities for killing microbiological spores, microbiological outgrowth from spores, and vegetative microorganisms and a method of use thereof.

Problems solved by technology

Reducing agents that reduce disulfide cystine linkages in proteins and enzymes that attack peptidoglycan linkages also weaken the spore coat and increase permeability of the spore.

Method used

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  • Antimicrobial and sporicidal composition
  • Antimicrobial and sporicidal composition
  • Antimicrobial and sporicidal composition

Examples

Experimental program
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Effect test

example group b

[0055] These sporicidal formulations are similar to the Examples in Group A, but to which is added one or more water-insoluble hydrophobes appropriate for application to the skin with appropriate emollients and / or solubilizers.

Example Group B: Sporicidal Compositions withHydrophobes and Emollient / SolubilizersB1B2B3B4B5Water Phase:Water68.0%78.1%82.7%85.0%73.7%Glycerin2.5%2.5%2.5%Propylene glycol2.5%2.5%2.5%Benzethonium chloride0.2%0.2%0.5%Cetrimethylammonium chloride-30%0.5%0.1%para-chlorometaxylenol0.1%0.1%Aloe Vera Extract0.1%0.1%0.1%Cucumber Extract0.1%0.1%Oil Phase:Mineral Oil11.4%5.2%4.4%6.5%Petrolatum6.6%3.0%2.6%Isopropyl Myristate8.3%3.2%3.9%Isoceryl Stearate0.3%4.3%0.5%Dimethicone -3500.8%2.0%1.0%Stearalkonium chloride4.0%2.8%Ceteryl alcohol6.5%5.0%3.9%4.1%5.2%Behentrimonium chloride2.1%Behentrimonium methosulfate1.4%2.3%Babassuamidopropalkonium chloride2.0%Vitamin E Acetate0.1%0.1%0.1%0.1%0.1%Preservatives and Fragrance:q.s.q.s.q.s.q.s.q.s.

Mixing Directions:

Mix ingredien...

examples group c

[0056] These examples demonstrate novel compositions containing various sporicidal agents in combination with spore coat opening agents.

Group C Examples: Sporicidal Liquid Formulationswith Spore Coat Opening AgentsC1C2C3C4C5Distilled Water98.06%96.90%97.34%35.19%96.00%Benzethonium chloride, USP0.20%0.20%0.20%Stearalkonium chloride0.12%Behentrimonium chloride0.10%Behentrimonium methosulfate0.10%Benzalkonium chloride, 80%0.20%0.20%Cetyltrimethylammonium chloride, 30%0.50%0.50%para-chlorometaxylenol0.20%Ethyl alcohol, 95%61.00%Glycerin1.40%1.40%2.50%Propylene glycol2.00%2.00%Methylparaben0.02%0.02%0.02%0.02%Propylparaben0.02%0.02%0.02%0.02%Cocoamidopropylbetaine, 30%0.05%0.05%Ceteth-200.05%0.05%Isopropyl myristate1.20%Squalane0.01%0.01%0.01%Aloe vera extract0.01%0.01%Vitamin E Acetate0.10%0.10%Fragrance0.09%0.20%0.09%0.20%Kathon0.05%0.05%0.05%Sodium hydroxymethylglycinate0.20%0.20%Amino acid Mixture0.20%0.01%0.20%L-alanine0.10%Calcium dipicolinate0.10%0.05%Disodium EDTA0.1%0.01%Quino...

examples

Groups D and E

[0057] Formulations such as taught in Examples A, B, and C are enhanced with respect to sporicidal activity by combining one or more ingredients that are known to trigger spore germination with hydrophobic components and appropriate emollients and solubilizers. These examples are representative of the possible combinations of these components.

Examples D&E: Sporicidal Emulsions Enhancedwith Spore Coat Opening AgentsD1E1E2E3E4Water Phase:Water67.8%77.8%82.6%84.9%73.6%Glycerin2.5%2.5%2.5%Propylene glycol2.5%2.5%2.5%Benzethonium chloride0.2%0.2%0.5%Cetrimethylammonium chloride-30%0.5%0.1%para-chlorometaxylenol0.1%0.1%Aloe Vera Extract0.1%0.1%0.1%Cucumber Extract0.1%0.1%Amino acid Mixture0.3%L-alanine0.1%Calcium dipicolinate0.2%Disodium EDTA0.1%Reducing Agent0.1%Oil Phase:Mineral Oil11.4%5.2%4.4%6.5%Petrolatum6.6%3.0%2.6%Isopropyl Myristate8.3%3.2%3.9%Isocetyl Stearate0.3%4.3%0.5%Dimethicone -3500.8%2.0%1.0%Stearalkonium chloride4.0%2.8%Ceteryl alcohol6.5%5.0%3.9%4.1%5.2...

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Abstract

Germicidal compositions with enhanced activity towards killing microbiological spores and vetgetative cells comprising certain quaternary ammonium compounds (QACs), phenolic compounds, monohydric alcohols, hydrogen peroxide, iodine, triclocarban, triclosan or combinations thereof with one or more spore coat opening agents. The invention also provides for the application of the germicidal compositions to animate and inanimate surfaces to help kill germs and protect against the risk of infection from bacteria, molds, yeasts, fungi, viruses, and microbiological spores.

Description

PRIORITY DATA [0001] This application is a continuation of U.S. patent application Ser. No. 10 / 346,216, filed on Jan. 16, 2003, which claims the benefit of U.S. Provisional Application No. 60 / 350,416 filed on Jan. 18, 2002, each of which is incorporated herein by reference.BACKGROUND OF THE INVENTION [0002] 1. Field of the Invention [0003] The present invention relates generally to germicidal disinfecting compositions. More particularly, the present invention relates to a novel concept for germicidal disinfecting compositions that are effective in killing both vegetative microorganisms and microbiological spores in a single composition. [0004] 2. Related Art [0005] Microbiological spores are among the most resilient forms of dormant life known to man. Although formed by many different types of microbiological organisms, the most commonly studied spores are from various Bacillus or Clostridium species. In particular, Bacillus spores are amazingly resistant to common sterilizing techn...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A01N33/12A01N31/08A01N31/14A01N59/12A01P1/00A01N59/00A01N31/16A61K8/34A61K8/41A61K8/44A61Q17/00
CPCA61K8/347A61K8/416A61Q17/00A61K2800/51A61K2800/522A61K8/44A01N33/12A61P31/04A01N37/24
Inventor WALKER, EDWARD B.
Owner PURE IP LC
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