Issued Patents All Time
Showing 26–50 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5783704 | Pyridine derivatives as pesticides | Haukur Kristinsson, Peter Maienfisch, Josef Ehrenfreund | 1998-07-21 |
| 5763481 | Vinylcarboxylic acid derivatives | Peter Maienfisch, Manfred Boger, Thomas Pitterna | 1998-06-09 |
| 5679623 | Imidazole derivatives | Haukur Kristinsson | 1997-10-21 |
| 5646288 | Process for the preparation of aqueous nicotinaldehyde | Urs Siegrist | 1997-07-08 |
| 5606057 | Process for the preparation of 6-alkyl-4-(pyridin-3-yl-methyleneamino)-4,5-dihydro-1,2,4-triazin-3(2H)- one | Thomas Pitterna, Urs Siegrist | 1997-02-25 |
| 5545630 | Vinylcarboxylic acid derivatives | Peter Maienfisch, Manfred B oger, Thomas Pitterna | 1996-08-13 |
| 5484918 | Process for the preparation of aqueous nicotinaldehyde | Urs Siegrist | 1996-01-16 |
| 5166430 | Process for the preparation of 2-(2-halogenoethylthio)-phenylsulfonamides | Willy Meyer, Franz Weibel | 1992-11-24 |
| 5000777 | Imidazole derivatives | Lourens Wals | 1991-03-19 |
| 4997947 | Process of preparing 2-(imidazolin-2-yl)-nicotinic acid compounds | Dieter Durr | 1991-03-05 |
| 4904300 | Imidazole derivatives | Hans-Dieter Schneider, William R. Lutz, Werner Topfl | 1990-02-27 |
| 4898607 | Herbicidal imidazole derivatives | Lourens Wals | 1990-02-06 |
| 4891443 | N,N'-Dicyanocyclopropanecarbamidines and a process for their preparation | — | 1990-01-02 |
| 4851029 | Thiazolylalkyl esters of .alpha.-imidazolinonenicotinic acids and herbicidal methods of use | Dieter Durr | 1989-07-25 |
| 4824466 | Heterocyclylalkyl esters of 2-imidazolinonenicotinic acids | Dieter Durr | 1989-04-25 |
| 4824471 | Heterocyclylalkyl esters of 2-imidazolinonenicotinic acids | Dieter Durr | 1989-04-25 |
| 4778889 | 2-amino-4-halogeno-6-cyclopropyl-1,3,5-triazines | — | 1988-10-18 |
| 4758667 | Process for the preparation of 2-(imidazolin-2-yl)-3-pyridine- and -3-quinolinecarboxylic acids | Dieter Durr | 1988-07-19 |
| 4743296 | Heterocyclically fused pyridine compounds as herbicides | Dieter Durr, Hans-Georg Brunner | 1988-05-10 |
| 4741763 | Heterocyclylalkyl esters of 2-imidazolinonenicotinic acids | Dieter Durr | 1988-05-03 |
| 4726838 | 3H imidazo[1'2':2,2]pyrrolo[3,4-b]pyridine-2,5-dione, useful as herbicidal agents | Dieter Durr, Hans-Georg Brunner | 1988-02-23 |
| 4721522 | 1H-Imidazo [1',2':1,2]pyrrolo[3,4-b]pyridines and their use as herbicidal agents | Dieter Durr, Hans-Georg Brunner | 1988-01-26 |
| 4715883 | Thiadiazolyl-glyoxylonitrile-2-oxime ether derivatives for protecting plant crops | Alfons Lukaszczyk, Henry Martin, Peter J. Diel, Werner Fory, Karl Gotzi +6 more | 1987-12-29 |
| 4670559 | 2-amino-4-cyclopropyl-1,3,5-triazines as intermediates for the production of herbicidally active N-(cyclopropyl-triazinyl)-N'-arylsulfonyl ureas | — | 1987-06-02 |
| 4626272 | Certain pyridylacetylene compounds, compositions containing same and herbicidal methods of use | Hans-Georg Brunner, Rolf Schurter | 1986-12-02 |