Ralph B. Nielsen
52Patents
22h-index
61Co-inventors
87Inventor score
Filing activity: Nov 5, 1991 → Sep 4, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6175409A | Flow-injection analysis and variable-flow light-scattering methods and apparatus for characterizing polymers | Physics | 312 | Expired |
| US6260407A | High-temperature characterization of polymers | Emerging Cross-Sectional Technologies | 176 | Expired |
| US6548026B1 | Parallel reactor with internal sensing and method of using same | Chemistry; Metallurgy | 115 | Expired |
| US6406632B1 | Rapid characterization of polymers | Emerging Cross-Sectional Technologies | 114 | Expired |
| US6461515B1 | Parallel liquid chromatography for analyzing combinatorial libraries of non-biological polymers | Emerging Cross-Sectional Technologies | 102 | Expired |
| US6475391B2 | Rapid characterization of polymers for combinatorial, analytical and process control applications | Emerging Cross-Sectional Technologies | 99 | Expired |
| US6994827B2 | Parallel semicontinuous or continuous reactors | Physics | 93 | Expired |
| US6265226A | Automated sampling methods for rapid characterization of polymers | Emerging Cross-Sectional Technologies | 87 | Expired |
| US6455316B1 | Parallel reactor with internal sensing and method of using same | Emerging Cross-Sectional Technologies | 71 | Expired |
| US6491823B1 | Targeted separation protocols for rapid characterizations of polymers | Emerging Cross-Sectional Technologies | 65 | Expired |
| US6454947B1 | Overlaid injection for rapid characterizations of polymers | Emerging Cross-Sectional Technologies | 61 | Expired |
| US6151123A | Systems and methods for employing optical probes to characterize material properties | Chemistry; Metallurgy | 58 | Expired |
| US6692914B1 | Polymer brushes for immobilizing molecules to a surface or substrate, where the polymers have water-soluble or water-dispersible segments and probes bonded thereto | Emerging Cross-Sectional Technologies | 56 | Expired |
| US6663855B2 | Cosmetic and personal care compositions | Human Necessities | 51 | Expired |
| US6508984B1 | System for creating and testing novel catalysts, reactions and polymers | Emerging Cross-Sectional Technologies | 48 | Expired |
| US6507945B1 | Synthesizing combinatorial libraries of materials | Performing Operations; Transporting | 33 | Expired |
| US6818183B2 | Multi-temperature modular reactor and method of using same | Emerging Cross-Sectional Technologies | 32 | Expired |
| US6345528B2 | High-temperature characterization of polymers with HPLC system having multiple mobile-phase reservoirs | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6485692B1 | Continuous feed parallel reactor | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6685925B2 | Cosmetic and personal care compositions | Human Necessities | 26 | Expired |
| US5196502A | Method for the preparation of multiply-branched aromatic polyesters | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6976383B2 | Apparatus for high temperature withdrawal or dispensing of fluids | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5594047A | Method for forming photographic dispersions comprising loaded latex polymers | Physics | 22 | Expired |
| US6582116B2 | Apparatus and method for mixing small volumes of reaction materials | Chemistry; Metallurgy | 22 | Expired |
| US6528026B2 | Multi-temperature modular reactor and method of using same | Emerging Cross-Sectional Technologies | 22 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.