Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11626324 | Method of processing a wafer | Karl Heinz Priewasser, Hitoshi Hoshino | 2023-04-11 |
| 11133219 | Method of processing a wafer | Karl Heinz Priewasser, Hitoshi Hoshino | 2021-09-28 |
| 4973758 | Process for the preparation of 1,5-dihydroxynaphthalene and 1,5-diaminonaphthalene | Horst Behre, Lothar Jakob, Heinz U. Blank, Roland Busse | 1990-11-27 |
| 4788011 | Process for the preparation of chemical compounds obtained as solids from liquid starting substances | Roland Busse, Herbert Emde, Friedrich Durholz, Dorde Jovcic | 1988-11-29 |
| 4705652 | Tetra-alkali metal salts of chromotropic acid, a process for their isolation and their use | Erich Hammerschmidt, Horst Behre, Heinz U. Blank | 1987-11-10 |
| 4467123 | Process for the preparation of alkali metal diphenylates and free hydroxydiphenyls | Horst-Dieter Kramer, Eike Gabel, Wilfried Kohler | 1984-08-21 |
| 4366102 | Process for the preparation of chloroformic acid aryl esters | Gunter Rauchschwalbe, Heinz U. Blank, Karl Mannes | 1982-12-28 |
| 4339396 | Process for the preparation of naphthalenesulphonyl chloride | Gunter Rauchschwalbe, Karl Mannes | 1982-07-13 |