Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5985844 | "Homoerythromycin A derivatives modified at the 4""-and 8A-positions" | James V. Heck, Ronald W. Ratcliffe, Thomas N. Salzmann, Kothandaraman Shankaran, Michael J. Szymonifka +1 more | 1999-11-16 |
| 5606030 | Coconjugates of OMPC, HIV related peptides and anionic moieties | Emilio Emini, Stephen Marburg, Richard L. Tolman | 1997-02-25 |
| 5274122 | Acidic derivatives of homocysteine thiolactone | Richard L. Tolman, Stephen Marburg | 1993-12-28 |
| 4839352 | N-acyl derivatives of thienamycin | Louis Barash, Burton G. Christensen, John Hannah, David H. Shih | 1989-06-13 |
| 4748162 | 6-substituted-2-carbaminidoyl-pen-2-em-3-carboxylic acids | Burton G. Christensen, Frank P. DiNinno, Ronald W. Ratcliffe | 1988-05-31 |
| 4713451 | Crystalline dimethyliminothienamycin | Kenneth J. Wildonger | 1987-12-15 |
| 4675317 | 2-unsaturated alkylthio-pen-2-em-3-carboxylic acids | Frank P. DiNinno, Ronald W. Ratcliffe, David A. Muthard | 1987-06-23 |
| 4650794 | 6-(1-hydroxyethyl)-2-carbamimidoyl-pen-2-em-3-carboxylic acids | Burton G. Christensen, Frank P. DiNinno, Ronald W. Ratcliffe | 1987-03-17 |
| 4610823 | Process for preparing substituted 2-thioxopenams and 2-substituted thiopenems | Frank P. DiNinno, Ronald W. Ratcliffe | 1986-09-09 |
| 4397861 | N- And carboxyl derivatives of thienamycin | Burton G. Christensen, John Hannah, David H. Shih | 1983-08-09 |
| 4335043 | Substituted N-methylene derivatives of thienamycin | Burton G. Christensen, Kenneth J. Wildonger | 1982-06-15 |
| 4311704 | Substituted N-methylene derivatives of thienamycin | Burton G. Christensen, David H. Shih, Kenneth J. Wildonger | 1982-01-19 |
| 4309438 | N-Alkyl-N-iminomethyl derivatives of thienamycin | Burton G. Christensen, Kenneth J. Wildonger | 1982-01-05 |
| 4235920 | N-Alkylated derivatives of thienamycin | Burton G. Christensen, Raymond A. Firestone | 1980-11-25 |
| 4235917 | N-Alkyl-N-acyl derivatives of thienamycin | Burton G. Christensen | 1980-11-25 |
| 4232030 | Substituted N-methylene derivatives of thienamycin sulfoxide and sulfone | Burton G. Christensen, Kenneth J. Wildonger | 1980-11-04 |
| 4226870 | O-, N- and carboxyl derivatives of thienamycin | Burton G. Christensen, John Hannah, Ronald W. Ratcliffe, David H. Shih | 1980-10-07 |
| 4208330 | O-Derivatives of thienamycin | Burton G. Christensen | 1980-06-17 |
| 4194047 | Substituted N-methylene derivatives of thienamycin | Burton G. Christensen, Kenneth J. Wildonger | 1980-03-18 |