Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5476961 | One-pot process for the preparation of .alpha.-L-aspartyl-L-phenylalanine methyl ester hydrochloride | John B. Hill, Hugh L. Dryden, Jr., Robert A. Erickson, Kuang Hsu, Mark R. Johnson | 1995-12-19 |
| 5053532 | One-pot process for the preparation of .alpha.-L-aspartyl-L-phenylalanine methyl ester hydrochloride | John B. Hill, Hugh L. Dryden, Jr., Robert A. Erickson, Kuang Hsu, Mark R. Johnson | 1991-10-01 |
| 4946988 | Process for the preparation of .alpha.-L-aspartyl-L-phenylalanine methyl ester hydrochloride by use of isolated N-formyl L-aspartic anhydride | John B. Hill | 1990-08-07 |