Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880737 | Process for the preparation of L-alpha-amino acid and d-alpha-amino acid amide | Pieter L. Kerkhoffs | 1989-11-14 |
| 4847412 | Process for racemizing an optically active N-benzylidene amino-acid amide | Hans Schoemaker, Bernardus H. N. Dassen | 1989-07-11 |
| 4831181 | Process for the preparation of aspartylphenylalanine methyl ester from N-formylaspartylphenylalanine methyl ester | Bernardus H. N. Dassen | 1989-05-16 |
| 4812403 | Optically active substituted butyramide, and process for the optical separation of substituted butyramide | Peter J. H. Peters | 1989-03-14 |