Donald Jeffrey Keyser
34Patents
9h-index
7Co-inventors
68Inventor score
Filing activity: Apr 28, 2000 → Dec 6, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6372252B1 | Guaifenesin sustained release formulation and tablets | Human Necessities | 49 | Expired |
| US6955821B2 | Sustained release formulations of guaifenesin and additional drug ingredients | Human Necessities | 35 | Expired |
| US8802152B2 | Microporous zirconium silicate for the treatment of hyperkalemia | Emerging Cross-Sectional Technologies | 23 | Active |
| US8808750B2 | Microporous zirconium silicate for the treatment of hyperkalemia | Emerging Cross-Sectional Technologies | 20 | Active |
| US8877255B2 | Microporous zirconium silicate for the treatment of hyperkalemia | Emerging Cross-Sectional Technologies | 19 | Active |
| US9861658B2 | Microporous zirconium silicate for the treatment of hyperkalemia | Emerging Cross-Sectional Technologies | 12 | Active |
| US9457050B2 | Microporous zirconium silicate for the treatment of hyperkalemia | Emerging Cross-Sectional Technologies | 11 | Active |
| US9844567B2 | Microporous zirconium silicate for the treatment of hyperkalemia | Emerging Cross-Sectional Technologies | 9 | Active |
| US9662352B2 | Microporous zirconium silicate for the treatment of hyperkalemia | Emerging Cross-Sectional Technologies | 9 | Active |
| US9707255B2 | Microporous zirconium silicate for the treatment of hyperkalemia in hypercalcemic patients and improved calcium-containing compositions for the treatment of hyperkalemia | Emerging Cross-Sectional Technologies | 9 | Active |
| US9943637B2 | Microporous zirconium silicate and its method of production | Emerging Cross-Sectional Technologies | 8 | Active |
| US7838032B2 | Sustained release of guaifenesin | Human Necessities | 5 | Expired |
| US9913860B2 | Microporous zirconium silicate for the treatment of hyperkalemia | Emerging Cross-Sectional Technologies | 5 | Active |
| US9592253B1 | Extended use zirconium silicate compositions and methods of use thereof | Human Necessities | 5 | Active |
| US11435364B2 | Methods of treating patients at risk for renal injury and renal failure | Physics | 3 | Active |
| US10398730B2 | Microporous zirconium silicate for the treatment of hyperkalemia | Emerging Cross-Sectional Technologies | 2 | Active |
| US10413569B2 | Microporous zirconium silicate for the treatment of hyperkalemia | Emerging Cross-Sectional Technologies | 1 | Active |
| US11883371B2 | Stress test and treatment of chronic kidney disease | Physics | 1 | Active |
| US10300087B2 | Extended use zirconium silicate compositions and methods of use thereof | Human Necessities | 1 | Active |
| US11840552B2 | Iron compositions and methods of making and using the same | Human Necessities | 0 | Active |
| US7985420B2 | Sustained release of guaifenesin combination drugs | Human Necessities | 0 | Expired |
| US10335432B2 | Microporous zirconium silicate for the treatment of hyperkalemia | Emerging Cross-Sectional Technologies | 0 | Active |
| US7985421B2 | Sustained release formulations of guaifenesin and additional drug ingredients | Human Necessities | 0 | Expired |
| US11292813B2 | Iron compositions and methods of making and using the same | Human Necessities | 0 | Active |
| US12115138B2 | Tetrahydrocurcumin compositions, methods of making, and methods of using the same | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.