Cleaning agent for thermostatic chambers
US7727949B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Mar 3, 2006 |
| Grant date | Jun 1, 2010 |
| Priority date | — |
| Expiry date | Mar 3, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/20
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
[PROBLEMS] The present invention provides a novel cleaner having bacteria-proof, fungi-proof and algae-proof effects, which is added to a reaction thermostat using water as medium in scientific apparatus, particularly a thermostatic water bath in an automatic analyzer.[SOUTLIN] A cleaner for a thermostatic water bath, which comprises a quaternary ammonium salt as shown by the general formula [1] described below and/or a preservative agent having amphoteric surface activity, and a surface active agent,wherein R1 to R4 independently represent an alkyl group, provided that at least one among R1 to R4 is an alkyl group having 8 to 18 carbon atoms, and at least one among them is a lower alkyl group having 1 to 3 carbon atoms; and X− represents an anion derived from a carboxylic acid having two or more carbon atoms; and a cleaning method of a thermostatic water bath, wherein the cleaner is added to a thermostatic water bath.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.