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US 2013/0171688 A1Published application
Sterilisation indicator
AssigneeSociete Pour La Conception Des Applications Des Techniques Electroniques
InventorsAndré RICARD, Francis DIERAS, Michel SIXOU, Sandrine VILLEGER, Cristina CANAL, Pilar ERRA
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Abstract
A sterilization indicator having a compound that is of the heating type when put into contact with atoms of oxygen O and/or nitrogen N; and a thermochromic dye, in thermal contact with the compound.
Claims8
A sterilization indicator comprising:
- a first portion comprising a compound having at least one metal that is of the heating type when put into contact with atoms of oxygen O and/or nitrogen N, and a first thermochromic dye in thermal contact with the compound, wherein the thermochromic dye changes color due to a rise in temperature;
- and
- a second portion comprising a second thermochromic dye, and not including a compound comprising at least one metal of the heating type when put into contact with atoms of oxygen O and/or nitrogen N, wherein said second portion is not in thermal contact with the first portion.
Dependencies are inferred from the claim text.