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Synergistic microbicidal compositions

A technology for killing microbes and compositions, applied in biocides, chemicals for biological control, animal repellants, etc., can solve the problems of inability to provide microbial control, poor microbial activity, etc.

Inactive Publication Date: 2013-10-30
ROHM & HAAS CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In some cases, commercially available microbicides do not provide effective antimicrobial activity even at high application concentrations due to their poor activity against certain types of microorganisms and / or due to harsh environmental conditions. microbiological control

Method used

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  • Synergistic microbicidal compositions
  • Synergistic microbicidal compositions
  • Synergistic microbicidal compositions

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0045] Materials and methods

[0046] The synergistic effect of the combinations of the invention on the microorganisms was demonstrated by testing a wide range of compound concentrations and ratios. Those skilled in the art will recognize that the susceptibility of other microorganisms to a particular combination will vary and thus the concentrations, ratios, of one or both compounds may vary from those specifically set forth in these examples. The concentrations and ratios may also vary under different test conditions or different test methods.

[0047] One measure of synergy is the industry-accepted method proposed by Kull, F.C.; Eisman, P.C.; Sylwestrowicz, H.D. and Mayer, R.L. in Applied Microbiology 9:538-541 (1961), which Use the ratio determined by:

[0048] Q a / Q A +Q b / Q B = Synergy Index ("SI")

[0049] in:

[0050] Q A = Concentration of Compound A (first component) that produces the endpoint when used alone (MIC of Compound A), in ppm.

[0051] Q a ...

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PUM

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Abstract

This invention relates to synergistic combinations of 1,2-Benzisothiazolin-3-one and decylene glycol. The combinations have greater efficacy than would be expected from combinations of the individual components.

Description

technical field [0001] The present invention relates to the synergistic combination of selected microbicides with other microbicides, formulation components or raw materials, which synergistically combines to produce a composition which has surprisingly higher microbicidal activity than each alone The activity expected to be achieved by the combination of components (based on the antimicrobial activity of the individual components alone). Background technique [0002] In some cases, commercially available microbicides do not provide effective antimicrobial activity even at high application concentrations due to their poor activity against certain types of microorganisms and / or due to harsh environmental conditions. microbial control. Combinations of different microbicides are sometimes used to provide overall control of multiple microorganisms in a specific end-use environment. For example, U.S. Patent Application Publication No. 2004 / 0014799 discloses 2-methyl-4-isothiazo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/80A01N37/40A01N31/02A01N37/44A01N37/06A01N31/14A01N57/12A01N37/02A01N57/20A01N37/36A01P1/00
CPCA01N43/80A01N37/02A01N37/06A01N37/12A01N37/40A01N37/44A01N31/02A01N31/14A01N37/36A01N57/12A01N57/20A01N2300/00
Inventor M·A·戴尔D·A·肖
Owner ROHM & HAAS CO