Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5892008 | Process for the preparation of 6-O-methyl erythromycin a using 9-hydroxy erythromycin derivatives | David A. Riley, Elaine Chungmin Lee, Jien-Heh J. Tien | 1999-04-06 |
| 5864023 | 3'-N'oxide, 3'-n-dimethylamine, 9-oxime erythromycin a derivatives | David A. Riley | 1999-01-26 |
| 5837829 | 9-oximesilyl erythromycin a derivatives | — | 1998-11-17 |
| 5719272 | 2'-protected 3'-dimethylamine, 9-etheroxime erythromycin A derivatives | Chengxi Yang, Hemantkumar H. Patel, Jih-Hua Liu | 1998-02-17 |
| 5580989 | Process for the preparation of N-4-[(substituted phenyl)alkylheterocyclic]- N | James D. Ratajczyk, Juliette K. Busse, Sanjay R. Chemburkar, Daniel A. Dickman, Hemantkumar H. Patel +5 more | 1996-12-03 |
| 5562831 | Method for separation of gibberellin mixtures | David P. Sawick | 1996-10-08 |