TREA

Adalbert Wiegeleben

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  • Halle, DD
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Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid crystalline substances
    • Patent number 4,668,426
    • Issue date May 26, 1987
    • VEB Werk f/u/ r Fernsehelektronik im VEB Kombinat Mikroelektronik
    • Dietrich Demus
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Liquid crystalline 5-alkyl-2 (4-acyloxy-phenyl)-pyrimidine
    • Patent number 4,311,610
    • Issue date Jan 19, 1982
    • VEB Werk fur Fernsehelektronik im VEB Kombinat Mikroelektronik
    • Horst Zaschke
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Nematic liquid crystalline substances
    • Patent number 4,099,856
    • Issue date Jul 11, 1978
    • VEB Werk fur Fernsehelektronik
    • Wolfgang Weissflog
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...