Gunther Beck
61Patents
10h-index
58Co-inventors
81Inventor score
Filing activity: Aug 14, 1974 → Aug 13, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4183742A | 4,5-Dichloro-imidazole-1-carboxylic acid aryl esters and their use as plant protection agents | Chemistry; Metallurgy | 70 | Expired |
| US5830825A | 3-aryl-tetronic acid derivatives, the production thereof and the use thereof as antiparasitic agents | Chemistry; Metallurgy | 55 | Expired |
| US4312987A | Dimeric ketene of 1,2,4-triazole-3-carboxylic acid | Chemistry; Metallurgy | 40 | Expired |
| US5250498A | Herbicidal 2-iminopyridines | Chemistry; Metallurgy | 29 | Expired |
| US5508436A | N-phenylacetamino nitriles intermediates and process for making pyrroline-2 - | Chemistry; Metallurgy | 27 | Expired |
| US6051723A | 3-aryl-tetronic acid derivatives | Chemistry; Metallurgy | 25 | Expired |
| US4748243A | Preparation of 2-chloro-5-chloromethylthiazole | Chemistry; Metallurgy | 17 | Expired |
| US4179277A | 4,5-Dichloroimidazole-2-carboxylic acid derivatives | Chemistry; Metallurgy | 14 | Expired |
| US5708180A | Process for the preparation of 2-halogenopyridinealdehydes and novel 2-halogenopyridinealdehydes | Chemistry; Metallurgy | 13 | Expired |
| US5322680A | Substituted 2-thiazolyl tetrazolium salt indicators | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5367069A | Metal-free, substituted phthalocyanines in the .chi.-modification | Chemistry; Metallurgy | 9 | Expired |
| US4369186A | 4,5-Dichloroimidazole-2-carboxylic acid derivatives | Chemistry; Metallurgy | 8 | Expired |
| US5672718A | N-phenylacetamino nitriles | Chemistry; Metallurgy | 7 | Expired |
| US4026892A | Process for the preparation of tetrachloropyrimidine | Chemistry; Metallurgy | 6 | Expired |
| US4788291A | 4,5-Disubstituted 1,3-thiazol-2-yloxyacetamide herbicides | Chemistry; Metallurgy | 5 | Expired |
| US5300656A | Coumarin derivatives, process for their preparation, their use and thiazolyl acetic acid derivatives as intermediates | Physics | 4 | Expired |
| US4185991A | 4,5-Dichloro-imidazole derivatives and their use as herbicides | Chemistry; Metallurgy | 4 | Expired |
| US4962102A | Pesticidal 4-halogeno-5-nitrothiazoles | Chemistry; Metallurgy | 4 | Expired |
| US4871851A | Cyano-trichloro-pyrido-pyrimidine and a process for preparing cyano-trichloro-pyrido-pyrimidine | Chemistry; Metallurgy | 3 | Expired |
| US4140857A | Process for the preparation of 2,4,5-trichloropyrimidine | Chemistry; Metallurgy | 3 | Expired |
| US4929743A | Novel 4,5-disubstituted 1,3-thiazol-2-yloxyacetamide herbicides | Chemistry; Metallurgy | 3 | Expired |
| US5075326A | Pesticidal 4-halogeno-5-nitrothiazoles | Chemistry; Metallurgy | 3 | Expired |
| US5071865A | Pesticidal 2-acylamino-4-halogeno-5-nitrothiazoles | Chemistry; Metallurgy | 3 | Expired |
| US3989710A | Certain 2-mercapto-4,5-dichloro-thiazole compounds | Chemistry; Metallurgy | 3 | Expired |
| US5386051A | Process for the preparation of 1,2,3-tricyanobenzene, phthalocyanines which are obtainable from 1,2,3-tricyanobenzene, and their use as pigments | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.