Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5446192 | Process for the preparation of .beta.- aminoacrylic acid esters | Helmut Kraus, Heinz U. Blank | 1995-08-29 |
| 5401869 | Process for the preparation of aminomethylene compounds | Helmut Kraus, Nikolaus Muller, Bernhard Beitzke | 1995-03-28 |
| 5326911 | Process for the preparation of ortho-amides | Heinz U. Blank, Helmut Kraus, Nikolaus Muller | 1994-07-05 |
| 5030747 | Process for the preparation of .mu.-amino-acrylic acid esters | Heinz U. Blank, Erich Wolters, Friedrich-Wilhelm Ullrich, Halmut Kraus, Gunter Silber | 1991-07-09 |
| 4980479 | Preparation of novel 5-acyloxy-4 (5H)-oxazolonium salts suited for use as intermediates for triazinone herbicides | Gerhard Bonse, Heinz U. Blank | 1990-12-25 |
| 4873026 | Process for the preparation of 1-aminonaphthalene-2,4,7-trisulphonic acid and 1-aminonaphthalene-7-sulphonic acid | Horst Behre, Heinz U. Blank, Willi Streicher | 1989-10-10 |
| 4836959 | Process for the preparation of 1-aminonaphthalene-2,4,7-trisulphonic acid and 1-aminonaphthalene-7-sulphonic acid | Willi Streicher, Horst Behre, Heinz U. Blank | 1989-06-06 |
| 4753374 | Metering apparatus | Peter Jahn, Klaus Kriesner | 1988-06-28 |
| 4715888 | Herbicidal agents containing photosynthesis-inhibiting herbicides in combination with pyridinecarboxamides | Winfried Lunkenheimer, Carl Fedtke | 1987-12-29 |
| 4666935 | Substituted maleimides and their use as fungicides for plant-pathogenic fungi | Heinz U. Blank, Paul Reinecke, Wilhelm Brandes, Gerd Hanssler | 1987-05-19 |
| 4594427 | Preparation of novel 5-acyloxy-4-(5H)-oxazolonium salts suited for use as intermediates for triazinone herbicides | Gerhard Bonse, Heinz U. Blank | 1986-06-10 |
| 4582849 | Fungicidal N-substituted maleic acid imides | Heinz U. Blank, Paul Reinecke, Wilhelm Brandes, Hans Scheinpflug | 1986-04-15 |
| 4552890 | Plant phytopathogenic fungicidal agents based on maleimide | Heinz U. Blank, Paul Reinecke, Wilhelm Brandes, Gerd Hanssler | 1985-11-12 |
| 4496736 | Process for the preparation of carboxylic acids and N-tert.-alkylamines | Gerhard Bonse, Heinz U. Blank | 1985-01-29 |
| 4456772 | Process for the preparation of optionally substituted fluoro-nitro-benzaldehydes | Heinz U. Blank | 1984-06-26 |
| 4408044 | Preparation of 3,6-disubstituted 4-amino-1,2,4-triazin-5-ones | Thomas Schmidt, Helmut Timmler, Gerhard Bonse, Heinz U. Blank | 1983-10-04 |