Peter Ackermann
45Patents
6h-index
47Co-inventors
69Inventor score
Filing activity: Jul 17, 1978 → Jul 9, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5194628A | Process for the preparation of substituted difluorobenzo-1,3-dioxoles | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4611004A | 3-phenoxybenzyl-(2-phenyl-2,2-alkylene-ethyl) ethers and -thioethers, and their use for controlling pests | Chemistry; Metallurgy | 10 | Expired |
| US4172135A | Benzeneacetic acid ester derivatives | Human Necessities | 7 | Expired |
| US5420301A | Process for the preparation of substituted difluorobenzo-1,3-dioxoles | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5322853A | Microbicidal benzotriazole compounds | Human Necessities | 6 | Expired |
| US5068359A | Microbicidal compositions | Chemistry; Metallurgy | 6 | Expired |
| US4238504A | Cyclopropanecarboxylic acid-phenoxy-.alpha.-vinyl-benzyl esters, processes for producing them, and their use in combating pests | Human Necessities | 3 | Expired |
| US4822806A | .alpha.-methyl-(6-phenoxy)-2-picolyl cyclopropanecaraboxylates having pesticidal activity | Human Necessities | 3 | Expired |
| US5514816A | Process for the preparation of substituted difluorobenzo-1,3-dioxoles | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4219564A | Vinylcyclopropanecarboxylic acid-3-phenoxy-.alpha.-vinylbenzyl esters, processes for producing them, and their use in combating pests | Chemistry; Metallurgy | 3 | Expired |
| US4338468A | .alpha.-Prop-1-ynyl-3-phenoxybenzyl alcohols | Chemistry; Metallurgy | 2 | Expired |
| US4299967A | Process for producing optically active 2-(2,2-dihalogenovinyl)-cyclopropane-1-carboxylic acids substituted in the 3-position, and derivatives thereof, as well as novel 4-(2,2,2-trihalogenoethyl)-cyclobutane-1-sulfonic acid salts | Chemistry; Metallurgy | 2 | Expired |
| US4335057A | 4-(2',2,2'-Trihalogenoethyl)-cyclobutane-1-sulfonic acid salts with optically active bases | Chemistry; Metallurgy | 2 | Expired |
| US4486424A | Triorganotin hydantoin compounds, and the use thereof for combating insects and acarids | Human Necessities | 2 | Expired |
| US5116872A | Microbicidal compositions | Chemistry; Metallurgy | 2 | Expired |
| US4331682A | Cyclopropanecarboxylic acid-.alpha.-haloethynyl-m-phenoxybenzyl esters and their use for combating insect pests | Chemistry; Metallurgy | 2 | Expired |
| US4349567A | Dihalovinylcyclopropanecarboxylic acid esters and their use in pest control | Chemistry; Metallurgy | 2 | Expired |
| US4336266A | Insecticidal 2,2-dimethyl-3-(2',2'-dihalovinyl)-cyclopropane carboxylic acid 3-halophenoxy-.alpha.-vinylbenzyl esters | Chemistry; Metallurgy | 1 | Expired |
| US5036084A | Certain 1-(3-pyridyl)-2-phenoxy-alkanones having anti-microbial activity | Chemistry; Metallurgy | 1 | Expired |
| US4378372A | Cyclopropanecarboxylic acid esters and use thereof in pest control | Human Necessities | 1 | Expired |
| US4587255A | Isomers of 3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylic acid-.alpha.-methyl-(6-phenoxy-2-picolyl)ester, processes for producing them, and their use for controlling pests | Human Necessities | 1 | Expired |
| US5281718A | Process for the preparation of substituted difluorobenzo-1,3-dioxoles | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4377593A | .alpha.-Isopropyl- and .alpha.-cyclopropylphenylacetates and use thereof in pest control | Chemistry; Metallurgy | 1 | Expired |
| US4277494A | Novel esters | Chemistry; Metallurgy | 1 | Expired |
| US4225616A | Tetrahaloethylcyclopropane-carboxylic acid esters | Human Necessities | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.