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Cleaning agent for thermostatic chambers

  • US 7,727,949 B2
  • Filed: 03/03/2006
  • Issued: 06/01/2010
  • Est. Priority Date: 03/04/2005
  • Status: Active Grant
First Claim
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1. A method comprising:

  • adding a cleaner into water provided in a thermostatic water bath for preventing generation of microorganisms and generation and attachment of air bubbles on the outer wall of a reaction vessel in the thermostatic water bath, and for producing no substances having absorption in the wavelength range of 300 to 900 nm in the water provided in the thermostatic water bath, the cleaner comprising;

    a quaternary ammonium salt represented by the following general formula I and/or a preservative agent having amphoteric surface activity, and a surface active agent;

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