Patent ID: 9192164
Filing Date: 2015-11-24
Classification: A01N,A61L,C01B

Abstract:
1. A method for disinfecting or sterilizing an article or article part comprising the steps of (1) enclosing the article or article part inside a sterilization chamber, (2) admitting a biocide solution comprising a biocide dissolved in a solvent to a pre-chamber communicating with the sterilization chamber; said pre-chamber having a wall or part thereof which comprises a semipermeable fabric or membrane selected to allow vapour to pass from inside to outside of the pre-chamber while providing a barrier against entry of micro-organisms and against exit of nebulant particles; (3) concentrating the biocide in the pre-chamber by removal of solvent at atmospheric pressure, to form a concentrated biocide, and (4) introducing the concentrated biocide as a liquid or a vapour or a combination thereof from the pre-chamber to the sterilization chamber; and wherein steps 2-4 are conducted at or above atmospheric pressure.