Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6515139 | Method for producing N-substituted 2-pyrazoline-5-one | Hans Rupert Merkle, Erich Fretschner | 2003-02-04 |
| 5677452 | Process for the manufacture of 5-dichloroacetyl-3,3,6-trimethyl-9-oxo-1,5-diazabicyclo4.3.0! nonane | Gernot Reissenweber, Winfried Richarz | 1997-10-14 |
| 5310915 | Process for the purification of 7-chloroquinoline-8-carboxylic acids | Gernot Reissenweber, Winfried Richarz | 1994-05-10 |
| 5080794 | Separation of 1-methoxy-2-propanol and water | Joseph Krug, Gernot Reissenweber | 1992-01-14 |
| 4824864 | Stabilization of zineb | Roman Fischer, Friedrich Loecher | 1989-04-25 |