Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4491672 | Preparation of aromatic azomethines | Winfried Richarz, Bjoern Girgensohn | 1985-01-01 |
| 4424364 | Preparation of pyrazoles | Norbert Goetz, Josef Wahl | 1984-01-03 |
| 4410733 | Preparation of acetals of malonaldehyde | Josef Wahl, Wolf-Karlo Aders | 1983-10-18 |
| 4384141 | Preparation of .alpha.-bromoacetophenone-oxime-ethers | Peter Schaefer | 1983-05-17 |
| 4354979 | Preparation of aliphatic isocyanates | Volker Schwendemann | 1982-10-19 |
| 4310677 | Preparation of alkyl anthranilates | Gernot Reissenweber | 1982-01-12 |
| 4306074 | Preparation of a mixture of an alkyl 3-chloroanthranilate and an alkyl 6-chloroanthranilate | Peter Tonne, Heinz-Guenter Oeser | 1981-12-15 |
| 4297491 | Preparation of 2,3-dioxo-1,4-benzoxazine derivatives | Gernot Reissenweber | 1981-10-27 |
| 4260560 | Preparation of sulfamyl halides | Peter Jacobs, Gerhard Hamprecht | 1981-04-07 |
| 4260559 | Preparation of amidosulfonic acids | Peter Jacobs, Gerhard Hamprecht | 1981-04-07 |
| 4235814 | Manufacture of .alpha.-haloalkylcarbamyl halides | Karl-Heinz Koenig, Christian Reitel | 1980-11-25 |
| 4229365 | Manufacture of substituted fluorobenzenes | Heinz-Guenter Oeser, Karl-Heinz Koenig | 1980-10-21 |
| 4226811 | Preparation of substituted fluorobenzenes | Heinz-Guenter Oeser, Karl-Heinz Koenig | 1980-10-07 |
| 4187227 | Manufacture of 2,4-dioxo-oxazolidines | Norbert Goetz, Bernd Zeeh | 1980-02-05 |