Issued Patents All Time
Showing 151–156 of 156 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5585496 | Catalytic preparation of condensation products of formaldehyde | Johann-Peter Melder, Eugen Gehrer, Wolfgang Harder, Klaus Ebel, Carsten Groening +1 more | 1996-12-17 |
| 5576462 | Preparation of .alpha.-hydroxyketones | Norbert Rieber | 1996-11-19 |
| 5508422 | Addition products of triazolium salts | Johann-Peter Melder, Eugen Gehrer, Wolfgang Harder, Klaus Ebel, Carsten Groening +1 more | 1996-04-16 |
| 5386062 | Catalytic preparation of condensation products of formaldehyde | Johann-Peter Melder, Eugen Gehrer, Wolfgang Harder, Klaus Ebel, Carsten Groening +1 more | 1995-01-31 |
| 5359094 | Preparation of glyceryl carbonate | Norbert Rieber, Wolfgang Harder | 1994-10-25 |
| 5298668 | Catalytic preparation of formaldehyde condensates | Eugen Gehrer, Wolfgang Harder, Klaus Ebel, Johann-Peter Melder | 1994-03-29 |