Hsiang-Ning Sun
43Patents
16h-index
30Co-inventors
81Inventor score
Filing activity: Oct 16, 1981 → Aug 3, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6046373A | Catalytic conversion of oxygenates to olefins | Emerging Cross-Sectional Technologies | 65 | Expired |
| US6023005A | Process for converting oxygenates to olefins using molecular sieve catalysts comprising desirable carbonaceous deposits | Emerging Cross-Sectional Technologies | 60 | Expired |
| US5952538A | Use of short contact time in oxygenate conversion | Emerging Cross-Sectional Technologies | 57 | Expired |
| US5925586A | Phosphorus modified small pore molecular sieve catalysts, and their use in the production of light olefins | Emerging Cross-Sectional Technologies | 43 | Expired |
| US6187983A | Converting oxygenates to olefins in the presence of electromagnetic energy | Emerging Cross-Sectional Technologies | 41 | Expired |
| US6005155A | Modification of molecular sieve catalyst for reduced methane production during conversion of oxygenates to olefins | Chemistry; Metallurgy | 39 | Expired |
| US6051746A | Oxygenate conversions using modified small pore molecular sieve catalysts | Emerging Cross-Sectional Technologies | 38 | Expired |
| US6137022A | Process for increasing the selectivity of a reaction to convert oxygenates to olefins | Emerging Cross-Sectional Technologies | 37 | Expired |
| US6040264A | Use of alkaline earth metal containing small pore non-zeolitic molecular sieve catalysts in oxygenate conversion | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5932512A | Fluorination of synthesized molecular sieve catalysts for increased selectivity to ethylene during conversion of oxygenates to olefins | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5925800A | Conversion of oxygenates to hydrocarbons with monolith supported non-zeolitic molecular sieve catalysts | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4789727A | Reduction of catalyst usage in epoxide/CO.sub.2 polymerization | Chemistry; Metallurgy | 21 | Expired |
| US5904880A | One step conversion of methanol to hydrogen and carbon dioxide | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4393038A | Hydrogen peroxide production | Chemistry; Metallurgy | 19 | Expired |
| US6057261A | One step conversion of methanol to hydrogen and carbon dioxide | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6004898A | Alkaline earth metal containing small pore non-zeolitic molecular sieve catalysts | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4773466A | Process for preparing polycarbonate copolymer foam suitable for lost foam casting | Chemistry; Metallurgy | 15 | Expired |
| US4783445A | Soluble epoxide/carbon dioxide copolymerization catalysts | Performing Operations; Transporting | 14 | Expired |
| US4851507A | Melt processable aliphatic polycarbonate terpolymers | Chemistry; Metallurgy | 13 | Expired |
| US6225254A | Maintaining acid catalyst sites in sapo molecular sieves | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4763715A | Process for preparing polycarbonate terpolymer foam suitable for lost foam casting | Chemistry; Metallurgy | 12 | Expired |
| US4401633A | Two step process for the preparation of zeolite A by hydrothermal treatment of heulandite | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6455747B1 | Method for converting oxygenates to olefins | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6482999B2 | Method for improving light olefin selectivity in an oxygenate conversion reaction | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4401634A | Two step process for the preparation of zeolite A by hydrothermal treatment of clinoptilolite | Emerging Cross-Sectional Technologies | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.