Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8821692 | Method for the rapid pyrolysis of lignocellulose | Friedhelm Weirich, Eckhard Dinjus | 2014-09-02 |
| 8043391 | Method for producing and preparing fast pyrolysis products from biomass for an entrained-flow pressure gasification | Eckhard Dinjus, Klaus Raffelt, Friedhelm Weirich | 2011-10-25 |
| 4844715 | Process of improving the separation of noble gases from a gas mixture containing them | Friedheim Weirich | 1989-07-04 |
| 4759878 | Process for the batch fine purification of uranium or plutonium recovered in a reprocessing process for irradiated nuclear fuel and/or fertile materials | Ulrich Bauder, Reinhold Huefner, Willi Roesch, Klaus Ebert | 1988-07-26 |
| 4432955 | Process for desorbing fission iodine from nitric acid fuel solution | Elmar Schlich | 1984-02-21 |
| 4400183 | Processes for separating the noble fission gases xenon and krypton from waste gases from nuclear plants | Reinhold Hufner, Friedhelm Weirich | 1983-08-23 |