Ralf Wyrich
12Patents
6h-index
15Co-inventors
63Inventor score
Filing activity: Feb 22, 2000 → Jan 6, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6617170B2 | Method and device for collecting and stabilizing a biological sample | Emerging Cross-Sectional Technologies | 116 | Expired |
| US6602718B1 | Method and device for collecting and stabilizing a biological sample | Emerging Cross-Sectional Technologies | 90 | Expired |
| US6821789B2 | Method and device for collecting and stabilizing a biological sample | Emerging Cross-Sectional Technologies | 57 | Expired |
| US7270953B2 | Compositions for isolating and/or stabilising nucleic acids in biological material | Chemistry; Metallurgy | 41 | Expired |
| US7683035B1 | Method of stabilizing and/or isolating nucleic acids | Emerging Cross-Sectional Technologies | 28 | Expired |
| US7682790B2 | Compositions for the isolation and/or stabilization of nucleic acids in biological materials | Chemistry; Metallurgy | 13 | Active |
| US10144952B2 | Stabilization and isolation of extracellular nucleic acids | Chemistry; Metallurgy | 1 | Active |
| US11525155B2 | Stabilisation of biological samples | Chemistry; Metallurgy | 0 | Active |
| US10724074B2 | Stabilisation of biological samples | Chemistry; Metallurgy | 0 | Active |
| US12139744B2 | Stabilisation of biological samples | Chemistry; Metallurgy | 0 | Active |
| US9624253B2 | Method for purifying a target nucleic acid | Chemistry; Metallurgy | 0 | Active |
| US6872818B2 | Ammonium sulfate for neutralization of inhibitory effects | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.