Hans-Joachim Diehr
54Patents
5h-index
56Co-inventors
75Inventor score
Filing activity: May 22, 1974 → Dec 11, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5101034A | Preparation of heteroaryloxyacetamides | Chemistry; Metallurgy | 21 | Expired |
| US4334073A | Process for the preparation of alpha-hydroxycarboxylic acid amide compounds | Chemistry; Metallurgy | 14 | Expired |
| US5147443A | Microbicidal agents | Human Necessities | 11 | Expired |
| US4725303A | "N'-(substituted-pyrimidin-2-yl) -N""-amino-N""'-(substituted-benzenesulphonyl)-guanidines as herbicides" | Chemistry; Metallurgy | 7 | Expired |
| US4124545A | Carbamic acid esters as catalysts for trimerization of isocyanates | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4704158A | 1-(2-oxyaminocarbonylphenylsulphonyl)-3-heteroaryl-ureas | Chemistry; Metallurgy | 5 | Expired |
| US5639891A | Intermediates for the preparation of triazolinones | Chemistry; Metallurgy | 5 | Expired |
| US4743294A | "N'-(substituted-1,3,5- triazin-2-yl)-N""-amino-N""'-(substituted-benzenesulphonyl)-guanidines as herbicides" | Chemistry; Metallurgy | 5 | Expired |
| US4780126A | 3-substituted 1-(2-halogenoalkoxy-benzenesulphonyl)-3-heteroaryl-(thio)ureas | Chemistry; Metallurgy | 5 | Expired |
| US5162539A | Preparation of 2-alkylthio-1,3,4-thiadiazoles | Chemistry; Metallurgy | 5 | Expired |
| US5453506A | Process for the preparation of 2-chloro-5-aminomethyl-pyridine | Chemistry; Metallurgy | 4 | Expired |
| US4992456A | Fungicidal 2,5-disubstituted 1,3,4-thiadiazoles | Chemistry; Metallurgy | 4 | Expired |
| US4708731A | Novel 5-halogenoalkyl-1,3,4-thiadiazol-2-yloxyacetamide herbicides and fungicides | Chemistry; Metallurgy | 4 | Expired |
| US5166165A | Fungicidal agents based on heterocyclically substituted sulphones | Chemistry; Metallurgy | 4 | Expired |
| US4540430A | Herbicidally active novel substituted 3-trichloromethyl-1,2,4-thiadiazol-5-yl-oxyacetamides | Chemistry; Metallurgy | 4 | Expired |
| US4266082A | Preparation of 4-fluoro-3-phenoxy-toluene | Chemistry; Metallurgy | 3 | Expired |
| US4455428A | Preparation of hetaryloxyacetamides | Chemistry; Metallurgy | 3 | Expired |
| US4082822A | Preparation of dithiophosphoric acid ester dihalides | Chemistry; Metallurgy | 3 | Expired |
| US5177090A | Microbicidal agents | Human Necessities | 3 | Expired |
| US5475115A | Process for the preparation of triazolinones | Chemistry; Metallurgy | 3 | Expired |
| US5434267A | Process for the preparation of substituted 3-alkoxyacrylates | Chemistry; Metallurgy | 3 | Expired |
| US5780392A | Heterocyclyl-1,3,4-thiadiazolyloxyacetamides and their use as herbicides | Chemistry; Metallurgy | 2 | Expired |
| US5382671A | Process for the preparation of 2-chloro-5-alkylaminomethyl-pyridines | Chemistry; Metallurgy | 2 | Expired |
| US4658027A | Process for the preparation of 1-(2-oxyaminosulphonyl-phenylsulphonyl)-3-heteroaryl-ureas | Human Necessities | 2 | Expired |
| US4666505A | 1-(2-Oxyaminosulphonylphenylsulphonyl)-3-heteroaryl-ureas | Human Necessities | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.