TREA

Gerhard Pelzl

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Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid-crystalline, 2,5-disubstituted, 1,3,4-thiadiazoles with exte...
    • Patent number 4,952,699
    • Issue date Aug 28, 1990
    • VEB Werk fuer Fernsehelektronik im VEB Kombinat Mikroelektronik
    • Bak G Yong
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Ferroelectric liquid crystals
    • Patent number 4,874,544
    • Issue date Oct 17, 1989
    • VEB Werk fuer Fernsehelektronik im VEB Kombinat Mikroelektronik
    • Bak G. Yong
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Mixing component for liquid crystal substances
    • Patent number 4,615,824
    • Issue date Oct 7, 1986
    • VEB Werk fuer Fernsehelektronik im VEB Kombinat Mikroelektronik
    • Dietrich Demus
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Liquid crystal substances for the guest-host effect
    • Patent number 4,601,846
    • Issue date Jul 22, 1986
    • VEB Werk fuer Fernsehelektronik im VED Kombinat Mikroelektronik
    • Dietrich Demus
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Liquid crystal substances
    • Patent number 4,438,268
    • Issue date Mar 20, 1984
    • Horst Zaschke
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Nematic liquid crystal compounds
    • Patent number 4,358,589
    • Issue date Nov 9, 1982
    • VEB Werk fur Fernsehelektronik im VEB Kombinat Mikroelektronik
    • Herrmann Schubert
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Liquid crystals for electro-optical devices
    • Patent number 4,356,103
    • Issue date Oct 26, 1982
    • VEB Werk fur Fernsehelektronik
    • Herrmann Schubert
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Nematic liquid crystal mixtures
    • Patent number 4,348,298
    • Issue date Sep 7, 1982
    • VEB Werk fur Fernsehelektronik im VEB Kombinat Mikroelektronik
    • Horst Zaschke
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...