Uwe Kempe
16Patents
5h-index
24Co-inventors
62Inventor score
Filing activity: Jan 25, 1979 → Jan 30, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4999029A | Preparation of synthesis gas by partial oxidation | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4340744A | Preparation of imidazoles | Chemistry; Metallurgy | 8 | Expired |
| US4828715A | Cleaning and disposal of carbon black and ash containing wastewaters | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5073271A | Utilization of soot from synthesis gas production in sewage treatment | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4273938A | Preparation of N-substituted carboxylic acid amides | Chemistry; Metallurgy | 5 | Expired |
| US5117004A | Preparation of imidazole-2-carboxylic acids | Chemistry; Metallurgy | 2 | Expired |
| US4672128A | Preparation of imidazole-4(5)-monocarboxylic acids and their salts or betaines | Chemistry; Metallurgy | 2 | Expired |
| US4550176A | Preparation of imidazole-4,5-dicarboxylic acid | Chemistry; Metallurgy | 2 | Expired |
| US4340745A | Preparation of 2-imidazolines | Chemistry; Metallurgy | 2 | Expired |
| US4298748A | Preparation of 2-imidazolines | Chemistry; Metallurgy | 1 | Expired |
| US4866183A | Preparation of hexaarylbisimidazoles | Chemistry; Metallurgy | 1 | Expired |
| US4242517A | Process for preparing 4-methyl-5[(2-aminoethyl)thiomethyl)]-imidazole | Chemistry; Metallurgy | 1 | Expired |
| US4278801A | Preparation of 5-hydroxymethylimidazoles | Chemistry; Metallurgy | 1 | Expired |
| US4658035A | Preparation of 2-alkyl-4,5-dihydroxymethylimidazoles | Chemistry; Metallurgy | 1 | Expired |
| US4239895A | Process for producing 1-hydroxymethylimidazoles | Chemistry; Metallurgy | 0 | Expired |
| US4803283A | Preparation of 4(5)-nitroimidazole-5(4)-carboxylic acids | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.