Issued Patents All Time
Showing 1–25 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5763481 | Vinylcarboxylic acid derivatives | Peter Maienfisch, Thomas Pitterna, Henry Szczepanski | 1998-06-09 |
| 5506193 | Herbicidally, acaricidally and insecticidally active pyrazolidine compounds | Frederik Cederbaum, Hans-Georg Brunner | 1996-04-09 |
| 5494890 | Herbicidally, acaricidally and insecticidally active pyrazolidine compounds | Frederik Cederbaum, Hans-Georg Brunner | 1996-02-27 |
| 5481013 | Carboxylic acid derivatives | Peter Maienfisch, Thomas Pitterna | 1996-01-02 |
| 5439908 | Diazinyl butyric acid amides and esters | Peter Maienfisch, Thomas Pitterna | 1995-08-08 |
| 5416102 | Method of preventing the reinfestation of dogs and cats by fleas | Sharron H. Barnett, Roland Johnson, Douglas I. Hepler | 1995-05-16 |
| 5358957 | Butyric acid derivatives | Peter Maienfisch, Thomas Pitterna | 1994-10-25 |
| 5326901 | 3-butenoic acid derivatives as intermediates for pesticides | — | 1994-07-05 |
| 5179121 | Thiobutyric acid derivatives | Peter Maienfisch, Eginhard Steiner | 1993-01-12 |
| 5179094 | Pest control agents | Odd Kristiansen, Haukur Kristinsson, Peter Maienfisch | 1993-01-12 |
| 5153224 | Benzoylphenylureas | Jozef Drabek | 1992-10-06 |
| 5114975 | Anilinophenyl carbodiimides compositions containing them, and the use thereof in pest control | Jozef Drabek, Josef Ehrenfreund | 1992-05-19 |
| 5107017 | Benzoylpenylureas | Jozef Drabek | 1992-04-21 |
| 5077412 | Substituted thioureas, isothioureas and carbodiimides | Josef Ehrenfreund, Odd Kristiansen, Jozef Drabek, Haukur Kristinsson | 1991-12-31 |
| 5026730 | Anilinophenylthioureas, compositions containing them, and the use thereof in pest control | Jozef Drabek, Josef Ehrenfreund | 1991-06-25 |
| 4980506 | Benzoylphenylureas | Jozef Drabek | 1990-12-25 |
| 4971994 | Thioureas | Jozef Drabek, Josef Ehrenfreund | 1990-11-20 |
| 4963550 | Substituted thioureas, isothioureas and carbodiimides and use as pesticide | Jozef Drabek, Josef Ehrenfreund, Odd Kristiansen | 1990-10-16 |
| 4952599 | Phenylthioureas, phenylisothioureas, phenylcarbodiimides, pesticidal compositions containing them and their use in pest control | Josef Ehrenfreund, Jozef Drabek | 1990-08-28 |
| 4939257 | Phenoxyphenylthioureas | Jozef Drabek | 1990-07-03 |
| 4921876 | Substituted carbodiimides | Josef Drabek | 1990-05-01 |
| 4914098 | Substituted thioureas, isothioureas and carbodiimides and their use as pesticides | Jozef Drabek, Josef Ehrenfreund, Odd Kristiansen | 1990-04-03 |
| 4897424 | Aryloxyphenylthioureas, aryloxyphenylisothioureas and aryloxyphenylcarbodiimides and pesticidal compositions containing them | Jozef Drabek, Josef Ehrenfreund | 1990-01-30 |
| 4897486 | 5-trifluoromethylpyridyl-2-oxy-4-fluoroanilines as intermediates | — | 1990-01-30 |
| 4888348 | Substituted thioureas, isothioureas and carbodiimides | Josef Ehrenfreund, Odd Kristiansen, Jozef Drabek, Haukur Kristinsson | 1989-12-19 |