TREA

Eva G. Lovett

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  • St. Louis, MO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polyalkanolamines
    • Patent number 4,840,748
    • Issue date Jun 20, 1989
    • Petrolite Corporation
    • Thomas J. Bellos
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyalkanolamines
    • Patent number 4,731,481
    • Issue date Mar 15, 1988
    • Petrolite Corporation
    • Thomas J. Bellos
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Azetidinium salts and process of preparation
    • Patent number 4,689,418
    • Issue date Aug 25, 1987
    • Petrolite Corporation
    • Rudolf S. Buriks
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyalkanolamines
    • Patent number 4,505,839
    • Issue date Mar 19, 1985
    • Petrolite Corporation
    • Thomas J. Bellos
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process of demulsifying and/or clarifying aqueous systems with azet...
    • Patent number 4,383,926
    • Issue date May 17, 1983
    • Petrolite Corporation
    • Rudolf S. Buriks
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Azetidinium salts and polymers and copolymers thereof
    • Patent number 4,341,887
    • Issue date Jul 27, 1982
    • Petrolite Corporation
    • Rudolf S. Buriks
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...