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Process and system for protecting an oxidizable material against oxidation

  • US 5,498,760 A
  • Filed: 11/02/1993
  • Issued: 03/12/1996
  • Est. Priority Date: 11/02/1992
  • Status: Expired due to Term
First Claim
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1. Process for the protection against oxidation of an oxidizable material having open pores making it permeable to gases and having a first surface intended to come into contact with an oxidizing gaseous flow able to oxidize it and a second surface opposite to the first, characterized in that it consists of injecting by means of an injection system an oxygen-free protective gas through said second surface, said protective gas being able to limit the access of the oxygen to the interior of the pores of the material and block the active sites of said material.

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