Inventor
Hsiang-ning Sun
Inventor
Houston, TX, US
Overview
Patents· 43 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds20%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry19%
Y02PClimate change mitigation technologies in the production or processing of goods16%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
C10GCracking hydrocarbon oils8%
C01BNon-metallic elements6%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%
C08JWorking-up4%
C07BGeneral methods of organic chemistry2%
B22CFoundry moulding2%
PatentTitleYear
7,102,051'Treatment of molecular sieves with silicon containing compounds'20066,841,510'Treatment of molecular sieves with silicon containing compounds'20056,717,023'Method for converting oxygenates to olefins'20046,552,240'Method for converting oxygenates to olefins'20036,482,999'Method for improving light olefin selectivity in an oxygenate conversion reaction'20026,455,747'Method for converting oxygenates to olefins'20026,448,460'Maintaining acid catalyst sites in SAPO molecular sieves'20026,225,254'Maintaining acid catalyst sites in sapo molecular sieves'20016,187,983'Converting oxygenates to olefins in the presence of electromagnetic energy'20016,137,022'Process for increasing the selectivity of a reaction to convert oxygenates to olefins'20006,057,261'One step conversion of methanol to hydrogen and carbon dioxide'20006,051,746'Oxygenate conversions using modified small pore molecular sieve catalysts'20006,046,373'Catalytic conversion of oxygenates to olefins'20006,040,264'Use of alkaline earth metal containing small pore non-zeolitic molecular sieve catalysts in oxygenate conversion'20006,023,005'Process for converting oxygenates to olefins using molecular sieve catalysts comprising desirable carbonaceous deposits'20006,004,898'Alkaline earth metal containing small pore non-zeolitic molecular sieve catalysts'19996,005,155'Modification of molecular sieve catalyst for reduced methane production during conversion of oxygenates to olefins'19995,952,538'Use of short contact time in oxygenate conversion'19995,932,512'Fluorination of synthesized molecular sieve catalysts for increased selectivity to ethylene during conversion of oxygenates to olefins'19995,925,800'Conversion of oxygenates to hydrocarbons with monolith supported non-zeolitic molecular sieve catalysts'19995,925,586'Phosphorus modified small pore molecular sieve catalysts, and their use in the production of light olefins'19995,904,880'One step conversion of methanol to hydrogen and carbon dioxide'19995,420,239'Method for inhibiting popcorn polymer formation by heat'19955,345,030'Inhibiting popcorn polymer formation with sulfur-containing compounds'19945,196,619'Inhibiting popcorn polymer formation with sulfur-containing compounds'19935,072,065'Inhibiting popcorn polymer formation with alkyl halides'19915,072,064'Inhibiting popcorn polymer formation with compounds incorporating group IV elements'19915,072,066'Inhibiting popcorn polymer formation with esters of inorganic acids'19915,041,469'Formation of discrete polyalkylene carbonate particles by solvent/non-solvent precipitation'19914,975,525'Formation of discrete polyalkylene carbonate particles by solvent/non-solvent precipitation'19904,853,462'Preparation of discrete particles of polyalkylene carbonate'19894,851,507'Melt processable aliphatic polycarbonate terpolymers'19894,833,036'Polyalkylene carbonate hot melt adhesive'19894,789,727'Reduction of catalyst usage in epoxide/CO.sub.2 polymerization'19884,783,445'Soluble epoxide/carbon dioxide copolymerization catalysts'19884,778,943'Skeletal isomerization of olefins over halogen-containing alkaline earth oxide catalysts'19884,773,466'Process for preparing polycarbonate copolymer foam suitable for lost foam casting'19884,763,715'Process for preparing polycarbonate terpolymer foam suitable for lost foam casting'19884,654,463'Skeletal isomerization of olefins over bromided aluminas'19874,448,898'Method for producing a vanadium-titanium-tin catalyst exhibiting improved intrinsic surface area'19844,401,634'Two step process for the preparation of zeolite A by hydrothermal treatment of clinoptilolite'19834,401,633'Two step process for the preparation of zeolite A by hydrothermal treatment of heulandite'19834,393,038'Hydrogen peroxide production'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–1988Patents assigned to ATLANTIC RICHFIELD CO (6)· patent assignee history
1983–1988Based in Media, PA, US· patent location history
1988Patents assigned to ARCO CHEM CO (4)· patent assignee history
1989–1991Patents assigned to ARCO CHEM TECH (5)· patent assignee history
1989–2006Based in Houston, TX, US· patent location history
1991–2001Patents assigned to EXXON CHEMICAL PATENTS INC (18)· patent assignee history
1999–2002Based in Drexel Hill, PA, US· patent location history
2002–2006Patents assigned to EXXONMOBIL CHEM PATENTS INC (7)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EXXON CHEMICAL PATENTS INC | 18 | 1991–2001 |
| EXXONMOBIL CHEM PATENTS INC | 7 | 2002–2006 |
| ATLANTIC RICHFIELD CO | 6 | 1983–1988 |
| ARCO CHEM TECH | 5 | 1989–1991 |
| ARCO CHEM CO | 4 | 1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Houston, Texas, US | 31 | 1989–2006 |
| Media, Pennsylvania, US | 10 | 1983–1988 |
| Drexel Hill, Pennsylvania, US | 2 | 1999–2002 |