Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336474 | Process for leaching of precious metals | Manfred Diehl, Eckhart Krone, Juergen Loroesch, Norbert Steiner, Jochen Ullmann +1 more | 1994-08-09 |
| 4980071 | Substituted thioureas for the separation of complexly bound heavy-metal ions | Michael Schuster, Hermann Lotter, Karlheinz Drauz | 1990-12-25 |
| 4931466 | Crystalline form and its preparation | Siegfried Kersten, Karl-Friedrich Jaeger, Albrecht Mueller, Josef B. Pawliczek, Hans-Gert Recker +2 more | 1990-06-05 |
| 4851492 | Organopolysiloxanes containing acyl thiourea groups, methods of their preparation and use | Peter Panster, Elske Schopenhauer-Gehrmann, Peter Kleinschmit | 1989-07-25 |
| 4515985 | Preparation of chlorinated phenoxyalkanoic acids | Gerd Husslein, Gerhard Hamprecht, Walter Boehm, Manfred Gaeng | 1985-05-07 |
| 4459238 | N-Arylthiolcarbamates, herbicides containing them, and processes for combating the growth of unwanted plants with these compounds | Ulrich Schirmer, Bruno Wuerzer, Guenter Retzlaff | 1984-07-10 |
| 4455260 | Preparation of alk-1-enyl isocyanates | Volker Schwendemann | 1984-06-19 |
| 4439369 | Halogenated, tertiary diisocyanates and their preparation | Volker Schwendemann | 1984-03-27 |
| 4411752 | Preparation of 1-monochloroethylcarbamyl chloride | Karl-Heinz Feuerherd | 1983-10-25 |
| 4371525 | Silyl-benzimidazole-2-carbamic acid esters and their use as fungicides | Rolf-Dieter Acker, Gerhard Hamprecht, Ernst-Heinrich Pommer | 1983-02-01 |
| 4344891 | Halogenated tertiary alkyl isocyanates and their preparation | Volker Schwendemann, Karl-Heinz Feuerherd | 1982-08-17 |
| 4327034 | Sulfamic acid halides and processes for the preparation of sulfamic acid halides | Gerhard Hamprecht, Adolf Parg | 1982-04-27 |
| 4314948 | Preparation of mixtures of 1-monohalogenated isocyanates and 1,2-unsaturated isocyanates | Karl-Heinz Feuerherd, Heinz-Guenter Oeser | 1982-02-09 |
| 4297300 | Novel .alpha.-haloalkylcarbamic acid halides, and a process for the preparation of .alpha.-haloalkylcarbamic acid halides | Karl-Heinz Feuerherd | 1981-10-27 |
| 4294773 | Preparation of 1-haloalkyl isocyanates and 1-alkenyl isocyanates | Karl-Heinz Feuerherd, Heinz-Guenter Oeser | 1981-10-13 |
| 4271171 | Aroylureas | Annegrit Baumann, Karl Kiehs, Heinrich Adolphi | 1981-06-02 |
| 4267121 | Preparation of 2,2-dimethyl-4-cyano-butyraldoxime N-methyl-carbamate | Rainer Buerstinghaus, Karl Kiehs | 1981-05-12 |
| 4257974 | Process for the preparation of .alpha.,.beta.-dihaloalkyl isocyanates | Heinz-Guenter Oeser, Karl-Heinz Feuerherd | 1981-03-24 |
| 4240979 | Aroylureas | Annegrit Baumann, Karl Kiehs, Heinrich Adolphi | 1980-12-23 |
| 4235814 | Manufacture of .alpha.-haloalkylcarbamyl halides | Christian Reitel, Dietrich Mangold | 1980-11-25 |
| 4235815 | N-fluoromethyl-carbamic acid fluorides and their manufacture | Sabine Thym, Gerhard Hamprecht | 1980-11-25 |
| 4229365 | Manufacture of substituted fluorobenzenes | Heinz-Guenter Oeser, Dietrich Mangold | 1980-10-21 |
| 4226811 | Preparation of substituted fluorobenzenes | Heinz-Guenter Oeser, Dietrich Mangold | 1980-10-07 |
| 4189446 | Manufacture of .alpha.-haloethylcarbamyl halides | Christian Reital | 1980-02-19 |