Christopher A. Pohl
127Patents
16h-index
112Co-inventors
89Inventor score
Filing activity: Mar 10, 1980 → Jul 5, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4999098A | Modified membrane suppressor and method for use | Physics | 84 | Expired |
| US5843311A | Accelerated solvent extraction method | Emerging Cross-Sectional Technologies | 76 | Expired |
| US4265634A | Chromatographic separation and quantitative analysis of ionic species | Physics | 67 | Expired |
| US6077434A | Current-efficient suppressors and method of use | Physics | 40 | Expired |
| US5597734A | Ion chromatography using frequent regeneration of batch-type suppressor | Physics | 38 | Expired |
| US4455233A | Method and apparatus for ion analysis and detection using reverse mode suppression | Physics | 36 | Expired |
| US6248798A | Anion-exchange resins including ion-exchange groups with at least two nitrogen groups, and methods of making and using same | Performing Operations; Transporting | 30 | Expired |
| US7329346B2 | Ion chromatography system using catalytic gas elimination | Physics | 28 | Active |
| US6328885A | Current-efficient suppressors | Physics | 28 | Expired |
| US5324752A | Ion-exchange composition employing resin attachment to dispersant and method for forming the same | Performing Operations; Transporting | 22 | Expired |
| US4376047A | Coated resin ion exchange composition | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5532279A | Ion-exchange composition employing resin attachment to dispersant and method for forming the same | Performing Operations; Transporting | 19 | Expired |
| US4486312A | Analysis of liquid streams using tubing with protuberances on its inner wall | Physics | 19 | Expired |
| US5865994A | Bifunctional crown ether-based cation-exchange stationary phase for liquid chromatography | Performing Operations; Transporting | 19 | Expired |
| US5968363A | Bifunctional crown ether-based cation-exchange stationary phase for liquid chromatography | Performing Operations; Transporting | 17 | Expired |
| US5296115A | Method and apparatus for improved detection of ionic species by capillary electrophoresis | Physics | 17 | Expired |
| US6436719B1 | Displacement chemical regeneration method and apparatus | Physics | 15 | Expired |
| US7842498B2 | Hydrophobic surface chip | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5792331A | Preformed polymer coating process and product | Physics | 14 | Expired |
| US7473354B2 | Recycled suppressor regenerants | Physics | 14 | Active |
| US6074541A | Preformed polymer coating process and product | Physics | 14 | Expired |
| US7303671B2 | Ion exchange particle-bound flow-through porous monolith | Performing Operations; Transporting | 13 | Expired |
| US7402243B2 | Organosilanes and substrate bonded with same | Chemistry; Metallurgy | 13 | Expired |
| US7291395B2 | Coated ion exchanged substrate and method of forming | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7517696B2 | Chemical suppressors and method of use | Emerging Cross-Sectional Technologies | 13 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.