Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6617463 | Method for the production of L-ascorbic acid by lactonization of 2-keto-L-gulonic acid or s2-keto-L-gulonate esters | Wolfram Burst | 2003-09-09 |
| 6573400 | Preparation of 2-keto-L-gulonic esters | Wolfram Burst | 2003-06-03 |
| 6524400 | Process for the production of grain-oriented electric quality sheet with low remagnetization loss and high polarization | Hans Pircher, Rudolf Kawalla, Manfred Espenhahn, Klaus Gunther, Hans Huneus +1 more | 2003-02-25 |