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Mark A. Liepa

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  • Sagamore, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Production of propylene glycol monoalkyl ether
    • Patent number 9,586,881
    • Issue date Mar 7, 2017
    • Lyondell Chemical Technology, L.P.
    • Xiangmin Li
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Production of propylene glycol monoalkyl ether
    • Patent number 9,187,392
    • Issue date Nov 17, 2015
    • Lyondell Chemical Technology, L.P.
    • Xiangmin Li
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Drycleaning method
    • Patent number 7,575,604
    • Issue date Aug 18, 2009
    • Lyondell Chemical Technology, L.P.
    • Paul E. Galick
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
  • Information Patent Grant

    Epoxidation process
    • Patent number 6,710,194
    • Issue date Mar 23, 2004
    • ARCO Chemical Technology, L.P.
    • Robert N. Cochran
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Adsorbent bed loading and regeneration
    • Patent number 6,563,010
    • Issue date May 13, 2003
    • ARCO Chemical Technology, L.P.
    • Mark A. Liepa
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Propylene oxide production
    • Patent number 5,973,171
    • Issue date Oct 26, 1999
    • ARCO Chemical Technology, L.P.
    • Robert N. Cochran
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Epoxidation of olefins
    • Patent number 5,565,581
    • Issue date Oct 15, 1996
    • ARCO Chemical Technology, L.P.
    • Mark A. Liepa
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents