Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6365121 | Method for producing hyperazeotropic hydrochloric acid from metal chloride solutions | — | 2002-04-02 |
| 5401484 | Process for producing metal hydroxides with a small specific area | Heinz Krivanec | 1995-03-28 |
| 5149515 | Process for the production or recovery of acids from metalliferous solutions of such acids | Wilhelm Karner, Karl H. Krivanec, Juanito Horn | 1992-09-22 |