Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11492285 | Preparation of quartz glass bodies from silicon dioxide granulate | Walter Lehmann, Michael Hünermann, Nils Christian Nielsen, Mirko Wittrin, Markus Wilde | 2022-11-08 |
| 11339076 | Preparation of carbon-doped silicon dioxide granulate as an intermediate in the preparation of quartz glass | Thomas Kayser, Mirko Wittrin | 2022-05-24 |
| 11299417 | Preparation of a quartz glass body in a melting crucible of refractory metal | Walter Lehmann, Michael Hünermann, Nils Christian Nielsen, Nigel Whippey, Boris Gromann +1 more | 2022-04-12 |
| 11236002 | Preparation of an opaque quartz glass body | Michael Hünermann, Nils Christian Nielsen, Frank Wessely, Andreas Schreiber, Björn Roos +1 more | 2022-02-01 |