TREA

Lutz Hippe

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  • OberRamstadt, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of preparing Na.sub.2 S (II)
    • Patent number 5,075,098
    • Issue date Dec 24, 1991
    • Degussa Aktiengesellschaft
    • Friedrich Bittner
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Method of preparing Na.sub.2 S (III)
    • Patent number 5,039,505
    • Issue date Aug 13, 1991
    • Degussa Aktiengesellschaft
    • Friedrich Bittner
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Method of preparing NA2S (I)
    • Patent number 5,039,506
    • Issue date Aug 13, 1991
    • Degussa Aktiengesellschaft
    • Friedrich Bittner
    • C01 - INORGANIC CHEMISTRY