Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4730084 | Process for the preparation of dodecamethylenebismelamine and the use thereof | Holger Focke, Alwin Boes | 1988-03-08 |
| 4683307 | Process for the preparation of dodecamethylenebismelamine | Holger Focke, Alwin Boes | 1987-07-28 |
| 4667044 | Process for the production of aromatic glycidyl esters | Friedbert Nees, Gunther Reissmann, Wolfgang Merk | 1987-05-19 |
| 4501840 | Alkaline modified pentaerythritol stabilizer for vinyl chloride resin | Wolfgang Merk | 1985-02-26 |
| 4492643 | Bismelamine stabilizers | Holger Focke, Klaus Popp, Wolfgang Merk | 1985-01-08 |
| 4405783 | Process for the production of dihydroxypropyltheophylline | Volker Binder, Wolfgang Merk | 1983-09-20 |
| 4390732 | Process for the production of guaiacol glycerine ether | Wolfgang Merk, Rudolf Wagner, Robert Nygren | 1983-06-28 |
| 4389333 | Bisguanamine | Wolfgang Merk, Gerhard Pohl, Friedhelm Hoevels | 1983-06-21 |
| 4379871 | Process for the production of carbon black containing pigment-synthetic resin concentrates | Hans Graf, Erwin Walter | 1983-04-12 |
| 4339578 | Bisguanamines | Wolfgang Merk, Gerhard Pohl, Friedhelm Hoevels | 1982-07-13 |
| 4329519 | Process for the purification of pentaerythritol | Gerhard Pohl | 1982-05-11 |