Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9139515 | Synthesis of R-biphenylalaninol | Petrus Johannes Hermsen, Peter Riebel, Michael Wolberg, Andreas Hendrikus Maria De Vries | 2015-09-22 |
| 8563766 | Indane derivatives for use as intermediates | — | 2013-10-22 |
| 5705645 | Hereroaryl derivatives of monocyclic beta-lactam antibiotics | William H. Koster, Joseph E. Sundeen, Henner Straub, Uwe D. Treuner, Kent Amsberry +2 more | 1998-01-06 |
| 5420277 | Intermediates for the preparation of heteroaryl derivatives of monocyclic beta-lactam antiobiotics | William H. Koster, Joseph E. Sundeen, Henner Straub, Uwe D. Treuner, Kent Amsberry +2 more | 1995-05-30 |
| 5318963 | Heterocyclic hydrazide derivatives of monocyclic .beta.-lactam antibiotics | Henner Straub | 1994-06-07 |
| 5290929 | Heteroaryl derivatives of monocyclic beta-lactam antibiotics | William H. Koster, Joseph E. Sundeen, Henner Straub, Uwe D. Treuner, Kent Amsberry +2 more | 1994-03-01 |
| 5270334 | 4-methoxy-5-methyl-pyran-3-ol natural products and derivatives thereof | Joseph O'Sullivan, Douglas W. Phillipson, Henner Straub | 1993-12-14 |
| 5266593 | Substituted pyran derivatives having antiinfective activity | Henner Straub, Uwe D. Treuner, Jakob-Matthias Drossard | 1993-11-30 |
| 5037983 | 6,7-dihydroxyquinoxalines as intermediates to beta-lactam antibiotics | Joseph E. Sundeen | 1991-08-06 |
| 4904775 | Heteroaroylhydrazide derivatives of monocyclic beta-lactam antibiotics | Joseph E. Sundeen | 1990-02-27 |
| 4871841 | 2-Oxo-1-[[(substituted sulfonyl)amino]-carbonyl]azetidines | — | 1989-10-03 |
| 4801705 | 2-oxo-1-(((substituted sulfonyl)amino)-carbonyl)azetidines | Hermann Breuer, Jakob-Matthias Drossard, Henner Straub, Uwe D. Treuner | 1989-01-31 |
| 4777252 | 2-oxo-1-[[(substituted sulfonyl)amino]-carbonyl]azetidines | William A. Slusarchyk | 1988-10-11 |
| 4633017 | N-hydroxy protecting groups and process for the preparation of 3-acylamino-1-hydroxy-2-azetidinones | Richard H. Mueller, Jakob-Matthias Drossard | 1986-12-30 |
| 4581170 | N-hydroxyl protecting groups and process and intermediates for the preparation of 3-acylamino-1-hydroxy-2-azetidinones | Richard H. Mueller, Jakob-Matthias Drossard | 1986-04-08 |