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Hans-Mathias Vorbrodt
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Quedlinburg, DD
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last 30 patents
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Patent Grant
Liquid crystalline 2-substituted-5-(1-alkyl-piperid-4-yl)-1,3-dioxanes
Patent number
4,597,892
Issue date
Jul 1, 1986
VEB Werk fuer Fernsehelektronik im VEB Kombinat Mikroelektronik
Horst Zaschke
C07 - ORGANIC CHEMISTRY
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Patent Grant
Liquid crystal substituted 1,3-dioxanes and mixtures containing them
Patent number
4,565,881
Issue date
Jan 21, 1986
Veb Werk fur Fernsehdektronik im Veb Kombinat Mikroelektronik
Dietrich Demus
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Patent Grant
Nematic liquid crystals and method for production thereof
Patent number
4,521,327
Issue date
Jun 4, 1985
VEB Werk fur Fernsehelektronik im VEB Kombinat Mikroelektronik
Dietrich Demus
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Liquid crystalline nematic substances
Patent number
4,486,332
Issue date
Dec 4, 1984
VEB Werk fur Fernsehelektronik im VEB Kombinat Mikroelektronik
Dietrich Demus
C07 - ORGANIC CHEMISTRY
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Patent Grant
Liquid crystalline substituted 1,3-dioxanes and mixtures containing...
Patent number
4,348,324
Issue date
Sep 7, 1982
VEB Werk fur Fernsehelektronik im VEB Kombinat Mikroelektronik
Dietrich Demus
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Crystalline-liquid substituted 1,3-dioxanes and mixtures containing...
Patent number
4,344,856
Issue date
Aug 17, 1982
VEB Werk fur Fernsehelektronik Berlin im VEB Kombinat Mikroelektronik
Dietrich Demus
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...