William A. Frey
8Patents
4h-index
11Co-inventors
54Inventor score
Filing activity: Oct 28, 1981 → Mar 11, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4480042A | Covalently bonded high refractive index particle reagents and their use in light scattering immunoassays | Emerging Cross-Sectional Technologies | 87 | Expired |
| US4581337A | Polyether polyamines as linking agents for particle reagents useful in immunoassays | Emerging Cross-Sectional Technologies | 66 | Expired |
| US4401765A | Covalently bonded high refractive index particle reagents and their use in light scattering immunoassays | Emerging Cross-Sectional Technologies | 48 | Expired |
| US4477346A | Method for the removal of interfering substances in theophylline assays | Physics | 4 | Expired |
| US4812395A | Method for detecting enzymatic activity using particle agglutination | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4812396A | Method for detecting enzymatic activity using particle agglutination | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4460695A | Method for the removal of interfering substances, including caffeine, in theophylline assays | Emerging Cross-Sectional Technologies | 0 | Expired |
| US10118883B2 | Method for producing levulinic acid from lignocellulosic biomass | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.