Vapor phase corrosion inhibitor product and method containing a desiccant

  • US 4,973,448 A
  • Filed: 11/10/1988
  • Issued: 11/27/1990
  • Est. Priority Date: 11/18/1986
  • Status: Expired due to Term
First Claim
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1. A product adapted to be used for inhibiting corrosion of corrodible items within closed containers, said product comprising:

  • (a) a powdered solid composition capable of producing and releasing a vapor phase corrosion inhibiting compound;

    (b) a sealed envelope containing said powdered solid composition, portions of said envelope being formed of a sheet material impermeable to said powdered solid composition, but porous to the released vapor phase corrosion inhibiting compound released from said powdered solid composition, whereby the vapor phase corrosion inhibiting compound produced and released by the powdered composition leaves the envelope and permeates the environment of a closed container of corrodible items; and

    (c) said sheet material comprises a fabric formed from fibers which are selected from the group consisting of;

    nylon, polytetrafluoroethylene, polyethylene, polyolefins, polyesters, or polyamides.

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