Hyperion Catalysis International
113Patents
33Active
113Granted
47Portfolio score
Filing activity: Dec 6, 1984 → Apr 20, 2020 · 28 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4663230A | Carbon fibrils, method for producing same and compositions containing same | Emerging Cross-Sectional Technologies | 360 | Expired |
| US6203814A | Method of making functionalized nanotubes | Emerging Cross-Sectional Technologies | 201 | Expired |
| US6205016A | Fibril composite electrode for electrochemical capacitors | Emerging Cross-Sectional Technologies | 179 | Expired |
| US6031711A | Graphitic nanofibers in electrochemical capacitors | Emerging Cross-Sectional Technologies | 172 | Expired |
| US6221330A | Process for producing single wall nanotubes using unsupported metal catalysts | Emerging Cross-Sectional Technologies | 146 | Expired |
| US5707916A | Carbon fibrils | Emerging Cross-Sectional Technologies | 144 | Expired |
| US6099965A | Rigid porous carbon structures, methods of making, methods of using and products containing same | Emerging Cross-Sectional Technologies | 143 | Expired |
| US6184280A | Electrically conductive polymer composition | Electricity | 115 | Expired |
| US5500200A | Fibrils | Performing Operations; Transporting | 111 | Expired |
| US5908585A | Electrically conductive transparent film and coating composition for forming such film | Emerging Cross-Sectional Technologies | 110 | Expired |
| US5853877A | Method for disentangling hollow carbon microfibers, electrically conductive transparent carbon microfibers aggregation film amd coating for forming such film | Emerging Cross-Sectional Technologies | 109 | Expired |
| US5171560A | Carbon fibrils, method for producing same, and encapsulated catalyst | Emerging Cross-Sectional Technologies | 108 | Expired |
| US5589152A | Carbon fibrils, method for producing same and adhesive compositions containing same | Emerging Cross-Sectional Technologies | 108 | Expired |
| US5591382A | High strength conductive polymers | Electricity | 107 | Expired |
| US5877110A | Carbon fibrils | Emerging Cross-Sectional Technologies | 105 | Expired |
| US6099960A | High surface area nanofibers, methods of making, methods of using and products containing same | Emerging Cross-Sectional Technologies | 101 | Expired |
| US5800706A | Nanofiber packed beds having enhanced fluid flow characteristics | Emerging Cross-Sectional Technologies | 85 | Expired |
| US6491789B2 | Fibril composite electrode for electrochemical capacitors | Emerging Cross-Sectional Technologies | 74 | Expired |
| US5098771A | Conductive coatings and inks | Emerging Cross-Sectional Technologies | 73 | Expired |
| US6665169B2 | Graphitic nanofibers in electrochemical capacitors | Emerging Cross-Sectional Technologies | 70 | Expired |
| US6872681B2 | Modification of nanotubes oxidation with peroxygen compounds | Emerging Cross-Sectional Technologies | 68 | Expired |
| US7396798B2 | Method for preparing catalyst supports and supported catalysts from single walled carbon nanotubes | Emerging Cross-Sectional Technologies | 67 | Expired |
| US6432866B1 | Rigid porous carbon structures, methods of making, methods of using and products containing same | Emerging Cross-Sectional Technologies | 62 | Expired |
| US5110693A | Electrochemical cell | Emerging Cross-Sectional Technologies | 59 | Expired |
| US7410628B2 | Surface treatment of carbon microfibers | Emerging Cross-Sectional Technologies | 57 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.