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Pipe wrap for preventing microbiologically influenced corrosion in buried conduits

  • US 6,488,998 B1
  • Filed: 08/01/2000
  • Issued: 12/03/2002
  • Est. Priority Date: 06/24/1996
  • Status: Expired due to Term
First Claim
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1. An apparatus for carrying fluids, comprising:

  • a conduit comprising a material selected from the group consisting of metal, and concrete with metal reinforcements;

    a polyolefin film comprising an anti-corrosive film layer in abutment with a surface of said conduit, said anti-corrosive film layer having an antimicrobial additive incorporated into and dispersed throughout said anti-corrosive film layer for killing corrosion-inducing bacteria on the surface of said conduit, said antimicrobial additive being selected from the group consisting of bromonitropropanediol, 2,4,4′

    -trichloro-2′

    -hydroxy diphenyl ether, and diiodomethyl-p-tolyl sulfone.

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