Co-antimicroorgan composition of peroxide acetic acid and phosphorous compounds

An antimicrobial and chemical compound technology, applied in the direction of plant growth regulators, preservation of human or animal bodies, biocides, etc., can solve problems such as increasing maintenance costs, increasing raw material usage, and increasing cleaning times

Inactive Publication Date: 2001-09-19
CALGON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Uncontrolled build-up of sludge due to bacterial and fungal accumulation can result in off-spec product, reduced yield due to downtime and increased cleaning times, increased raw material usage, and increased maintenance costs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] The biocidal effect of the microtiter test of the antimicrobial composition of the present invention is demonstrated below. Three different bacterial strains were used: Klebsiella pneumoniae, Escherichia coli, Pseudomonas aeruginosa and a mixture of the three strains.

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PUM

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Abstract

Synergistic antimicrobial combinations are disclosed comprising an effective amount of peracetic acid (PAA) and an effective amount of a phosphorus compound selected from the group consisting of tetrakis (hydroxy methyl) phosphonium sulfate (THPS), tetrakis (hydroxy methyl) phosphonium phosphate (THPP), and tetrakis (hydroxy methyl) phosphonium chloride (THPC). Methods for inhibiting microbial growth using these synergistic antimicrobial combinations are also disclosed.

Description

field of invention [0001] The present invention relates to synergistic antimicrobial compositions that inhibit the growth of microorganisms, which can generally be used anywhere microorganisms grow, such as water systems in various industrial applications. More particularly, the present invention relates to synergistic mixtures of peracetic acid and phosphorus-containing compounds. Methods of using the mixture are also disclosed. Background of the invention [0002] Peracetic acid (sometimes referred to as peracetic acid) and certain phosphorus-containing compounds such as tetrakis(hydroxymethyl)phosphonium sulfate, referred to herein as PAA and THPS respectively, are known antimicrobial agents. The present invention has surprisingly found that they are synergistic when used in combination. The terms "synergy" and "synergistic" as used herein refer to the situation where the effect of a composition containing two or more biocides, such as PAA and THPS, exceeds the sum of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N37/16A01N57/34
CPCA01N57/34A01N59/00A01N37/16A01N2300/00
Inventor K·I·阿约库C·L·瓦特尔P·C·米勒
Owner CALGON CORP
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