TREA

Raimundo Romualdo

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  • Sao Paulo, BR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Defoamer and methods of use thereof
    • Patent number 6,448,298
    • Issue date Sep 10, 2002
    • BetzDearborn, Inc.
    • Raimundo Romualdo
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Defoamer and methods of use thereof
    • Patent number 6,083,998
    • Issue date Jul 4, 2000
    • BetzDearborn Inc.
    • Raimundo Romualdo
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL