Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5068209 | Optical fluorophosphate glass with anomalous positive incremental dispersion and process for making it | Dieter Gelzenleuchter, Henning Franek | 1991-11-26 |
| 4941907 | Process for producing an optical fluorophosphate glass having anomalous positive partial dispersion | Werner Huber, Rainer Dreuth, Henning Franek | 1990-07-17 |
| 4915721 | Process for preparation of fluorophosphate optical glass | Heinz Broemer, Werner Huber | 1990-04-10 |
| 4859635 | Optical fluorophosphate glass having anomalous positive partial dispersion and process for its production | Werner Huber, Rainer Dreuth, Henning Franek | 1989-08-22 |
| 4857487 | Optical fluorophosphate glasses possessing positive anomalous partial dispersion and improved physico-chemical properties, and a process for their preparation | Heinz Broemer, Werner Huber | 1989-08-15 |
| 4363879 | Alkaline fluoroborate in fluorophosphate glass free of beryllium | Heinz Broemer | 1982-12-14 |
| 4200467 | Zirconium-containing borosilicate glasses | Heinz Broemer, Werner Huber | 1980-04-29 |