Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6395903 | Process for the preparation of 2,3-pyridinedicarboxylic acids | Karlheinz Giselbrecht, Klaus Reiter | 2002-05-28 |
| 5939580 | Process for preparing glyoxylic esters and their hydrates | Engelbert Kloimstein, Wolfram Hendel, Klaus Reiter, Christian Burger, Antonia Praus +1 more | 1999-08-17 |
| 5874637 | Process for the purification of o-phthalaldehyde | Karl-Heinz Giselbrecht, Klaus Reiter, Rudolf Hermanseder | 1999-02-23 |
| 5872153 | Process for preparing aqueous o-phthalaldehyde-glutaraldehyde solutions | Karl-Heinz Giselbrecht | 1999-02-16 |
| 5202478 | Process for the preparation of alpha, omega-alkanedioic acids | Karl Schermanz, Manfred Schoftner, Engelbert Kloimstein, Josef Schaller, Klaus Reiter +1 more | 1993-04-13 |