Patents Assigned to Heuer
  • Electrochromic device based on poly-(3,4-dioxy-thiopene) derivatives
    Patent number: 6175441
    Abstract: Electrochromic assemblies having a layer structure, characterized in that one layer is an electrically conductive, electrochromic polydioxythiophene and a further layer comprises as ion storage compounds selected from the group consisting of the formulae (I) to (VI) Me1O2  (I), Me22O5  (II), LixMe1O2  (III), LixMe22O5  (IV), LixMe1O2+x/2  (V), LixMe22O5+x/2  (VI), where Me1 and Me2 are each a metal of transition group III, IV and V of the Mendeleev Periodic Table, and x is from 0.001 to 5.
    Type: Grant
    Filed: March 11, 1999
    Date of Patent: January 16, 2001
    Assignee: Heuer
    Inventors: Helmut Werner Heuer, Rolf Wehrmann, Friedrich Jonas, Frank Osenberg