Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4503227 | Chromogenic dihydroquinazolines | Heinz Balli, Sigmund Gunzenhauser, Davor Bedekovic | 1985-03-05 |
| 4480096 | Chromogenic quinazolines | — | 1984-10-30 |
| 4435003 | Chromogenic quinazolines | — | 1984-03-06 |
| 4331805 | V-Triazolyl-[4,5-d]-pyrimidines | — | 1982-05-25 |
| 4302586 | V-Triazolyl-[4,5-d]-pyrimidines | — | 1981-11-24 |
| 4236003 | V-Triazolyl-[4,5-d]-pyrimidH. | — | 1980-11-25 |