Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9290527 | Method for producing 6-chlorodibenzo[D,F] [1,3,2] dioxaphosphepin | Dirk Fridag, Robert Franke, Burkard Kreidler, Bjoern Wechsler | 2016-03-22 |
| 9127030 | Method for the preparation of biphephos | Burkard Kreidler, Dirk Fridag, Bjoern Wechsler, Andrea Christiansen, Doris Neumann | 2015-09-08 |
| 8729287 | Method for producing 6-chlorodibenzo[d,f] [1,3,2]-dioxaphosphepin | Dirk Fridag, Robert Franke, Burkard Kreidler, Bjoern Wechsler | 2014-05-20 |
| 8609878 | Method for producing 6-chlorodibenzo[D,F] [1 3,2]Dioxaphosphepin | Dirk Fridag, Robert Franke, Burkard Kreidler, Bjoern Wechsler | 2013-12-17 |