Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838777 | Extrusion equipment for coating wire | — | 1989-06-13 |
| 4780558 | Sulfone compounds | Kurt Burdeska, Dieter Reinehr | 1988-10-25 |
| 4778622 | Mixtures of fluorescent whitening agents | Leonardo Guglielmetti, Hans R. Meyer, Dieter Reinehr | 1988-10-18 |
| 4684744 | Stilbene derivatives | Klaus Artz, Hans R. Meyer, Dieter Reinehr | 1987-08-04 |
| 4602087 | Distyrylbiphenyls | Christian Luthi, Hans R. Meyer | 1986-07-22 |
| 4519821 | Means for removing a layer of matted fibers from a filter drum | Giancarlo Mondini, Gerhard Mandl | 1985-05-28 |
| 4482496 | Stilbene compounds | — | 1984-11-13 |
| 4468352 | Distyrylbiphenyls | Christian Luthi, Hans R. Meyer | 1984-08-28 |
| 4440694 | Process for the production of vinylstilbene compounds | Daniel Bellus, Hans Blaser, Guglielmo Kabas, Dieter Reinehr, Alwyn Spencer | 1984-04-03 |
| 4438886 | Double wire-winding machine with automatic transfer | Marc Meisser, Louis Veyrassat | 1984-03-27 |
| 4424170 | Halostilbene sulfonates useful as starting materials for making fluorescent whitening agents of the 4,4'-distyrylbiphenyl series | — | 1984-01-03 |
| 4413378 | Method and drafting arrangement for spinning machines for processing a fiber sliver | Gerhard Mandl, Giancarlo Mondini, Viktor Pietrini, Rudolf Wildbolz | 1983-11-08 |
| 4396548 | Pyrazoline derivatives | — | 1983-08-02 |
| 4366189 | 4-Heterocyclyl-4'-vinylstilbenes | Kurt Burdeska, Guglielmo Kabas | 1982-12-28 |
| 4360679 | Benzofuranyl-benzimidazoles | Hans R. Meyer | 1982-11-23 |
| 4339393 | Distyrylbiphenyls | Christian Luthi, Hans R. Meyer | 1982-07-13 |
| 4314820 | Distyrylbenzene fluorescent brightening agents | Hans R. Meyer | 1982-02-09 |
| 4285885 | Novel distyrylbenzene containing sulfonic acid groups | — | 1981-08-25 |
| 4264325 | Phenyl-benzimidazolyl-furanes for optical brightening of organic materials | Hans R. Meyer | 1981-04-28 |
| 4263431 | Cationic fluorescent whitening agents | Christian Luthi, Hans R. Meyer | 1981-04-21 |
| 4261855 | Novel stilbene compounds | — | 1981-04-14 |
| 4250317 | Benzofuranyl-benzimidazoles | Hans R. Meyer | 1981-02-10 |
| 4235741 | v-Triazoles | Rudolf Kirchmayr | 1980-11-25 |
| 4228563 | Drive apparatus of a can for depositing textile fibre slivers | — | 1980-10-21 |
| 4223422 | Turntable for depositing a fiber sliver into a spinning can | — | 1980-09-23 |