Roderick J. Ray
31Patents
19h-index
33Co-inventors
81Inventor score
Filing activity: Feb 25, 1985 → Oct 30, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5002590A | Countercurrent dehydration by hollow fibers | Performing Operations; Transporting | 154 | Expired |
| US6763607B2 | Method for making homogeneous spray-dried solid amorphous drug dispersions utilizing modified spray-drying apparatus | Performing Operations; Transporting | 111 | Expired |
| US6973741B2 | Method for making homogeneous spray-dried solid amorphous drug dispersions utilizing modified spray-drying apparatus | Performing Operations; Transporting | 64 | Expired |
| US5236474A | Membrane-based removal of condensable vapors | Performing Operations; Transporting | 58 | Expired |
| US5843209A | Vapor permeation system | Performing Operations; Transporting | 53 | Expired |
| US8343550B2 | Method for making homogeneous spray-dried solid amorphous drug dispersions utilizing modified spray-drying apparatus | Performing Operations; Transporting | 51 | Active |
| US4944882A | Hybrid membrane separation systems | Performing Operations; Transporting | 47 | Expired |
| US5108464A | Countercurrent dehydration by hollow fibers | Performing Operations; Transporting | 45 | Expired |
| US9339467B2 | Method for making homogeneous spray-dried solid amorphous drug dispersions utilizing modified spray-drying apparatus | Performing Operations; Transporting | 44 | Active |
| US7780988B2 | Method for making homogeneous spray-dried solid amorphous drug dispersions using pressure nozzles | Human Necessities | 43 | Active |
| US8828443B2 | Method for making homogeneous spray-dried solid amorphous drug dispersions utilizing modified spray-drying apparatus | Performing Operations; Transporting | 41 | Active |
| US5681433A | Membrane dehydration of vaporous feeds by countercurrent condensable sweep | Emerging Cross-Sectional Technologies | 39 | Expired |
| US10383941B2 | Spray drying processes for forming solid amorphous dispersions of drugs and polymers | Human Necessities | 39 | Active |
| US9265731B2 | Drying of drug-containing particles | Human Necessities | 39 | Active |
| US5464540A | Pervaporation by countercurrent condensable sweep | Performing Operations; Transporting | 36 | Expired |
| US5753008A | Solvent resistant hollow fiber vapor permeation membranes and modules | Chemistry; Metallurgy | 35 | Expired |
| US4725359A | Potable water from internal combustion engines | Emerging Cross-Sectional Technologies | 34 | Expired |
| US5611842A | Organic and inorganic vapor permeation by countercurrent condensable sweep | Performing Operations; Transporting | 33 | Expired |
| US5041227A | Selective aqueous extraction of organics coupled with trapping by membrane separation | Chemistry; Metallurgy | 23 | Expired |
| US6059857A | Ultrapurification of organic solvents | Performing Operations; Transporting | 14 | Expired |
| US6986844B2 | Solvent-resistant microporous polybenzimidazole membranes and modules | Performing Operations; Transporting | 12 | Expired |
| US5350681A | Enzymatic membrane method for the synthesis and separation of peptides | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7625507B2 | Extrusion process for forming chemically stable drug multiparticulates | Human Necessities | 8 | Expired |
| US7887844B2 | Multiparticulate crystalline drug compositions having controlled release profiles | Human Necessities | 6 | Active |
| US7736672B2 | Multiparticulate compositions with improved stability | Human Necessities | 6 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.