Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6479661 | Method for symmetrically and asymmetrically disubstituting carboxylic acid amides with organotitanates and grignard reagents | Herwig Buchholz, Urs Welz-Biermann, Vladimir Chaplinski | 2002-11-12 |
| 6448445 | Method for catalytically disubstituting carboxylic acid amides with at least one grignard reagent | Herwig Buchholz, Urs Welz-Biermann | 2002-09-10 |