Issued Patents All Time
Showing 1–25 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7214752 | Homopolymers which exhibit a high level of photo-inducable birefringence | Horst Berneth, Serguei Kostromine, Ralf Neigl, Hans-Joachim Vedder | 2007-05-08 |
| 6875833 | Monomers and homopolymers, having high photoinduceable double refraction, prepared therefrom | Horst Berneth, Serguei Kostromine, Ralf Neigl, Hans-Joachim Vedder | 2005-04-05 |
| 6785036 | Electrochromic display | Horst Berneth, Ralf Neigl, Wolfgang Jacobsen | 2004-08-31 |
| 6631023 | Electrochromic display device with power leads insulated from the electrochromic medium | Horst Berneth, Ralf Neigl, Dietrich Haarer, Stephan C. Schmidt, Wolfgang Jacobsen | 2003-10-07 |
| 6620920 | Monomers for photoadressable side group polymers of high sensitivity | Horst Berneth, Serguei Kostromine, Ralf Neigl, Joachim Rubner, Ralf Ruhmann | 2003-09-16 |
| 6569361 | Electrochrome polymer systems | Horst Berneth, Helmut-Werner Heuer, Serguei Kostromine | 2003-05-27 |
| 6441113 | Homopolymers with high photoinduceable double refraction | Horst Berneth, Serguei Kostromine, Ralf Neigl, Hans-Joachim Vedder | 2002-08-27 |
| 6423799 | Photo-addressable substrates and photo-addressable side-group polymers with highly inducible double refraction | Horst Berneth, Serguei Kostromine, Ralf Neigl, Hans-Joachim Vedder | 2002-07-23 |
| 6372309 | Liquid crystal display | Serguei Kostromine, Ralf Neigl | 2002-04-16 |
| 6303213 | Substrates secure against unauthorized copying and their production | Horst Berneth, Rolf Richter, Harro Traubel, Gunter Franke | 2001-10-16 |
| 6277307 | Electrochromic system | Horst Berneth | 2001-08-21 |
| 6241916 | Electrochromic system | Horst Berneth, Dietrich Haarer, Jurgen Simmerer, Jochen Schaller | 2001-06-05 |
| 6207292 | Electrochromic indicating device | Horst Berneth, Dietrich Haarer, Jochen Schaller | 2001-03-27 |
| 6183878 | Electrochromic system | Horst Berneth, Dietrich Haarer, Jochen Schaller, Jurgen Simmerer | 2001-02-06 |
| 6046290 | Photoaddressable side group polymers of high sensitivity | Horst Berneth, Serguei Kostromine, Ralf Neigl, Joachim Rubner, Ralf Ruhmann | 2000-04-04 |
| 5958596 | Composite material | Hanns P. Muller, Walter Uerdingen | 1999-09-28 |
| 5858585 | Process for intensifying information in photo-addressable side-chain polymers | Dietrich Haarer, Thomas Bieringer, Claus D. Eisenbach, Karl Fischer, Ralf Ruhmann +5 more | 1999-01-12 |
| 5785718 | Substantive stilbene-azo dyestuffs | Horst Berneth | 1998-07-28 |
| 5641846 | Side-group polymers, and their use for optical components | Thomas Bieringer, Uwe Gessner, Dietrich Haarer, Joachim Rubner, Roland Wuttke +4 more | 1997-06-24 |
| 5580964 | Cationic thiadiazole dyestuffs | Horst Berneth, Werner Hartwich, Peter Wild | 1996-12-03 |
| 5543267 | Photo-induced optically anisotropic amorphous film materials from side group polymers | Joachim Stumpe, Valery Shibaev, Sergei Kostromin, Sergei Ivanov, Thomas Fischer +2 more | 1996-08-06 |
| 5425978 | Substrates secure against unauthorized copying and processes for their preparation | Horst Berneth | 1995-06-20 |
| 5340504 | Light-polarizing films containing dichroic dyes | — | 1994-08-23 |
| 5329127 | Method for the identification of plastics | Arno Becker, Klaus Luttermann, Peter Orth, Ludger Heiliger, Aziz E. Sayed | 1994-07-12 |
| 5286420 | Production of light polarizing films | Friedrich W. Krock, Edouard Roche | 1994-02-15 |