Issued Patents 2004
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835725 | Optical data carrier comprising a cyanine dye as light-absorbent compound in the information layer | Horst Berneth, Friedrich-Karl Bruder, Wilfried Haese, Rainer Hagen, Karin Hassenruck +5 more | 2004-12-28 |
| 6833455 | Bridged perinones/quinophthalones | Christoph Thiebes, Ulrich Feldhues | 2004-12-21 |
| 6828455 | Preparation of styryl compounds | Ulrich Feldhues | 2004-12-07 |
| 6737142 | Optical data store comprising an axially substituted cobalt phthalocyanine in the light-writeable information layer | Horst Berneth, Friedrich-Karl Bruder, Wilfried Haese, Rainer Hagen, Karin Hassenruck +5 more | 2004-05-18 |
| 6726972 | Optical data storage medium containing a diaza hemicyanine dye as the light-absorbing compound in the information layer | Horst Berneth, Friedrich-Karl Bruder, Wilfried Haese, Rainer Hagen, Karin Hassenruck +5 more | 2004-04-27 |
| 6713146 | Optical data stores containing a Co-phthalocyanine complex in the information layer recordable using light | Horst Berneth, Thomas Bieringer, Friedrich-Karl Bruder, Rainer Hagen, Karin Hassenruck +2 more | 2004-03-30 |