TREA

John E. Hughes

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  • West Chester, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Chromate-free phosphate bonding composition
    • Patent number 6,368,394
    • Issue date Apr 9, 2002
    • Sermatech International, Inc.
    • John E. Hughes
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Hexavalent chromium-free phosphate-bonded coatings
    • Patent number 6,224,657
    • Issue date May 1, 2001
    • Sermatech International, Inc.
    • Ronald E. Myers
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Phosphate bonded aluminum coatings
    • Patent number 6,074,464
    • Issue date Jun 13, 2000
    • Sermatech International, Inc.
    • Kevin B. Eddinger
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Phosphate bonding composition
    • Patent number 5,968,240
    • Issue date Oct 19, 1999
    • Sermatech International Inc.
    • Ronald Myers
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...