Hans-Joachim Santel
381Patents
39h-index
156Co-inventors
93Inventor score
Filing activity: Oct 11, 1984 → Aug 13, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5625074A | Sulphonylaminocarbonyltriazolinones | Chemistry; Metallurgy | 105 | Expired |
| US5258527A | Insecticidal, acaricidal and herbicidal 1-H-3-aryl-pyrrolidine-2,4-dione derivatives | Chemistry; Metallurgy | 104 | Expired |
| US5652372A | Substituted 5-alkoxy-1,2,4-triazol-3-(THI) ones | Chemistry; Metallurgy | 104 | Expired |
| US5462913A | Substituted 1-H-3-aryl-pyrrolidine-2,4-dione derivatives | Chemistry; Metallurgy | 102 | Expired |
| US5750718A | Intermediates for herbicidal sulphonyl-aminocarbonlyltriazolinones having substituents which are bonded via sulphur | Chemistry; Metallurgy | 99 | Expired |
| US5631380A | Herbicidal sulphonylaminocarbonyltriazolinones having two substituents bonded via oxygen | Chemistry; Metallurgy | 97 | Expired |
| US5622917A | Substituted 1H--3-aryl-pyrrolidine-2,4-dione derivatives | Chemistry; Metallurgy | 97 | Expired |
| US5869681A | Herbicidal sulphonylaminocarbonyltriazolinones having substituents bonded via oxygen of the formula | Chemistry; Metallurgy | 97 | Expired |
| US5994274A | Dialkyl phenyl halide-substituted keto-enols for use as herbicides and pesticides | Chemistry; Metallurgy | 89 | Expired |
| US5504057A | Dialkyl-1-H-3-(2,4-dimethylphenyl)-pyrrolidine-2,4-diones, their preparation and their use | Chemistry; Metallurgy | 89 | Expired |
| US5567671A | Substituted 1-H-3-phenyl-5-cycloalkylpyrrolidine-2,4-diones, their preparation and their use | Chemistry; Metallurgy | 89 | Expired |
| US5830826A | Alkoxy-alkyl-substituted 1H-3-aryl-pyrrolidine-2, 4-diones used as herbicicides and pesticides | Chemistry; Metallurgy | 84 | Expired |
| US5266555A | Substituted triazoles | Chemistry; Metallurgy | 83 | Expired |
| US5234897A | Herbicidal 3-amino-5-aminocarbonyl-1,2,4-triazoles | Chemistry; Metallurgy | 82 | Expired |
| US6316486A | Alkyl dihalogenated phenyl-substituted ketoenols useful as pesticides and herbicides | Chemistry; Metallurgy | 81 | Expired |
| US5658857A | Imidazoazines | Human Necessities | 81 | Expired |
| US6358887B1 | 2-Phenyl-substituted heterocyclic 1,3-ketonols as herbicides and pesticides | Chemistry; Metallurgy | 80 | Expired |
| US5589469A | Substituted 1H-3-aryl-pyrrolidine-2,4-dione derivatives | Chemistry; Metallurgy | 73 | Expired |
| US5610122A | 3-aryl-4-hydroxy-delta3-dihydrofuranone derivatives | Chemistry; Metallurgy | 68 | Expired |
| US6110872A | 2,4,5-trisubstituted phenylketo-enols for use as pesticides and herbicides | Chemistry; Metallurgy | 67 | Expired |
| US5045560A | Pesticidal tautomers of 3-aryl-pyrrolidine-2,4-diones and use thereas | Chemistry; Metallurgy | 66 | Expired |
| US5677449A | Substituted 1-H-3-aryl-pyrrolidine-2,4-dione derivatives | Chemistry; Metallurgy | 66 | Expired |
| US5116836A | 3-phenyl-pyrrolidine-2,4-dione derivatives having pesticidal activity | Chemistry; Metallurgy | 64 | Expired |
| US4985063A | 3-aryl-pyrrolidine-2,4-diones | Chemistry; Metallurgy | 62 | Expired |
| US6251830A | Dialkyl-halogenophenyl-substituted ketoenols | Chemistry; Metallurgy | 60 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.