Issued Patents All Time
Showing 51–75 of 76 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6916899 | Polycarbonates, polyester carbonates and polyesters having lateral, cycloalkyl-substituted phenols | Friedrich-Karl Bruder, Alexander Meyer, Rolf Wehrmann | 2005-07-12 |
| 6894142 | Highly branched (co)polycarbonates having improved flowability | Rolf Wehrmann, Michael Erkelenz | 2005-05-17 |
| 6869697 | Electrophosphorescent arrangement comprising conductive polymers | Rolf Wehrmann | 2005-03-22 |
| 6784278 | Polycarbonates, polyester carbonates and polyesters having branched terminal groups | Rolf Wehrmann, Alexander Meyer, Harald Pielartzik, Friedrich-Karl Bruder, Jos Marie Johannes PAULUSSE | 2004-08-31 |
| 6696543 | Polyester polycarbonates of particular diphenols | Rolf Wehrmann | 2004-02-24 |
| 6584714 | Fluorescent, structured shaped bodies | Rolf Wehrmann | 2003-07-01 |
| 6569361 | Electrochrome polymer systems | Horst Berneth, Uwe Claussen, Serguei Kostromine | 2003-05-27 |
| 6545793 | UV-protected electrochromic solution | Horst Berneth, Ralf Neigl | 2003-04-08 |
| 6534200 | Electroluminescent systems with polynulcear metal complexes | Rolf Wehrmann, Andreas Elschner | 2003-03-18 |
| 6507428 | Arrangement based on poly-(3,4-dioxythiophene) derivatives which are electrochromically switched with protons | Rolf Wehrmann | 2003-01-14 |
| 6503643 | Electro-luminescent arrangements with thiophene carboxylate metal complexes | Rolf Wehrmann, Andreas Elschner | 2003-01-07 |
| 6452711 | Electro chromic assembly based on poly (3,4-ethylenedioxythiophene derivatives in the electrochromic layer and the ion-storage layer | Rolf Wehrmann | 2002-09-17 |
| 6403741 | UV-stabilized electrochromic assembly based on poly(3,4-ethylenedioxythiophene) derivatives | Rolf Wehrmann | 2002-06-11 |
| 6404532 | Electrochromic system | Horst Berneth | 2002-06-11 |
| 6391481 | Auxiliary layers for electroluminescent assemblies | Friedrich Jonas, Rolf Wehrmann, Andreas Elschner | 2002-05-21 |
| 6376107 | Electroluminescent arrangement using doped blend systems | Rolf Wehrmann, Martin Deussen, Andreas Elschner, Martin Hüppauff | 2002-04-23 |
| 6372159 | UV-protected electrochromic solution | Horst Berneth, Ralf Neigl | 2002-04-16 |
| 6368731 | Electroluminescent assemblies using boron chelates of 8-aminoquinoline derivatives | Rolf Wehrmann, Andreas Elschner | 2002-04-09 |
| 6327070 | Electrochromic assembly based on poly(3,4-ethylenedioxythiophene) derivatives in combination with a lithium niobate counterelectrode | Rolf Wehrmann | 2001-12-04 |
| 6323988 | Electrochromic assembly based on poly(3,4-ethylene-dioxythiophene) derivatives with a counterelectrode containing metal oxides from transition group VI or VIII | Rolf Wehrmann | 2001-11-27 |
| 6316130 | Electroluminescent assemblies using azomethine-metal complexes | Rolf Wehrmann, Andreas Elschner | 2001-11-13 |
| 6294273 | Electroluminescent assemblies containing N-alkyl-2,2'-imino-bis-(8-hydroxy-quinoline)-metal complexes | Rolf Wehrmann, Andreas Elschner | 2001-09-25 |
| 6287713 | Electroluminescent assemblies containing boron chelates | Rolf Wehrmann, Andreas Elschner | 2001-09-11 |
| 6277504 | EL assembly based on tertiary amines, Alq3 derivatives or mixtures soluble in alcohol and polymeric binders | Friedrich Koch, Rolf Wehrmann, Martin Deussen, Andreas Elschner | 2001-08-21 |
| 6175441 | Electrochromic device based on poly-(3,4-dioxy-thiopene) derivatives | Rolf Wehrmann, Friedrich Jonas, Frank Osenberg | 2001-01-16 |