Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9234630 | Method and device for supplying liquids to analysis units and liquid handling systems | Martin Fuhr, Stefan Oberborsch, Martin Metzger | 2016-01-12 |
| 6201126 | Isoindolenineamide dyestuffs | — | 2001-03-13 |
| 6150531 | Benzoxazolylisoindolenines | — | 2000-11-21 |
| 5741911 | Benzimidazole-isoindolenine dyestuffs | Klaus-Wilfried Wanken | 1998-04-21 |
| 5646290 | Thiazolylisoindolenine dyestuffs | Klaus-Wilfried Wanken | 1997-07-08 |
| 5239782 | Method for recording removal of material during precision finishing of pre-profiled work pieces | Hermann Beckering | 1993-08-31 |
| 5065546 | Grinding wheel for producing internal profilings | — | 1991-11-19 |
| 4942225 | Preparation of diazo and azo compounds using azidoformamidium salts | — | 1990-07-17 |
| 4776886 | Halftone gravure printing inks containing an azo dyestuff | Rainer Hamprecht, Artur Haus | 1988-10-11 |
| 4739042 | Halftone gravure printing inks containing pyridone azo dyestuffs | Artur Haus | 1988-04-19 |
| 4628082 | Derivatives of azobarbituric acid or salts or complexes thereof | Karl H. Schundehutte | 1986-12-09 |
| 4622391 | Inclusion compounds, intercalation compounds, and solid solutions of colored organic metal compounds which contains a nickel salt or nickel complex of an azobarbituric acid or its tautomer | Karl H. Schundehutte | 1986-11-11 |
| 4533812 | Method and device for fine profiling tools coated with super-hard materials | — | 1985-08-06 |
| 4492796 | Isoindolenine derivatives, processes for their preparation and their use as intermediate products for the preparation of dyestuffs | — | 1985-01-08 |