Composite H 2 O absorber for sealed medical devices

  • US 8,673,060 B2
  • Filed: 07/09/2009
  • Issued: 03/18/2014
  • Est. Priority Date: 07/25/2008
  • Status: Active Grant
First Claim
Patent Images

1. A method for H2O removal from a sealed medical device, comprising:

  • introducing in said device a composite absorber comprising one active species in the form of one or more among zeolites, silica gel, alumina, alkali metal oxides, alkaline-earth metal oxides dispersed in a polymeric matrix, wherein said polymeric matrix shows a Moisture Vapour Transmission Rate comprised between 0.05 g mm m

    2
    day

    1
    and 5.4 g mm m

    2
    day

    1
    at 25°

    C. and 100% relative humidity.

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