TREA

H. Eugene Broemmelsiek

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  • Baton Rouge, LA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polyimide foam of desired density
    • Patent number 5,234,966
    • Issue date Aug 10, 1993
    • Ethyl Corporation
    • James R. Barringer
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyimide foam products and methods
    • Patent number 5,096,932
    • Issue date Mar 17, 1992
    • Ethyl Corporation
    • James R. Barringer
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method for producing polyimide foam of desired density
    • Patent number 5,077,318
    • Issue date Dec 31, 1991
    • Ethyl Corporation
    • James R. Barringer
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Production of foamed polymer structures
    • Patent number 5,064,867
    • Issue date Nov 12, 1991
    • Ethyl Corporation
    • James R. Barringer
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Production of foamed polymer structures
    • Patent number 4,900,762
    • Issue date Feb 13, 1990
    • Ethyl Corporation
    • H. Eugene Broemmelsiek
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Production of foamed polymer structures
    • Patent number 4,897,432
    • Issue date Jan 30, 1990
    • Ethyl Corporation
    • Raymond Lee
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Production of foamed polymer structures
    • Patent number 4,877,563
    • Issue date Oct 31, 1989
    • Ethyl Corporation
    • H. Eugene Broemmelsiek
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Production of foamed polymer structures
    • Patent number 4,855,331
    • Issue date Aug 8, 1989
    • Ethyl Corporation
    • Caroll W. Lanier
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Production of foamed polymer structures
    • Patent number 4,822,537
    • Issue date Apr 18, 1989
    • Ethyl Corporation
    • Carroll W. Lanier
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Production of foamed polymer structures
    • Patent number 4,804,504
    • Issue date Feb 14, 1989
    • Ethyl Corporation
    • Raymond Lee
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL