Issued Patents All Time
Showing 1–4 of 4 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, Yefim Gelman, 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, Yefim Gelman, Robert A. Erickson, Kuang Hsu, Mark R. Johnson | 1991-10-01 |
| 4945172 | Preparation of N-formyl-L-aspartic anhydride | John B. Hill, Robert A. Erickson | 1990-07-31 |
| H645 | Process for the conversion of maleic acid derivatives to their | — | 1989-06-06 |