Inventor · Houston, TX, US

John E. Asplin

17Patents
9h-index
22Co-inventors
68Inventor score

Filing activity: May 5, 1998 → Dec 21, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US6093867A Process for selectively producing C3 olefins in a fluid catalytic cracking process Chemistry; Metallurgy 57 Expired
US6106697A Two stage fluid catalytic cracking process for selectively producing b. C.su2 to C.sub.4 olefins Chemistry; Metallurgy 56 Expired
US6069287A Process for selectively producing light olefins in a fluid catalytic cracking process Chemistry; Metallurgy 48 Expired
US6558531B2 Method for maintaining heat balance in a fluidized bed catalytic cracking unit Chemistry; Metallurgy 44 Expired
US6258257A Process for producing polypropylene from C3 olefins selectively produced by a two stage fluid catalytic cracking process Chemistry; Metallurgy 26 Expired
US6118035A Process for selectively producing light olefins in a fluid catalytic cracking process from a naphtha/steam feed Chemistry; Metallurgy 26 Expired
US7273542B2 Process and apparatus for recovering olefins Emerging Cross-Sectional Technologies 15 Expired
US6313366A Process for selectively producing C3 olefins in a fluid catalytic cracking process Chemistry; Metallurgy 14 Expired
US7714180B2 Process and apparatus for recovering olefins Emerging Cross-Sectional Technologies 10 Active
US7718049B2 Method for processing hydrocarbon pyrolysis effluent Chemistry; Metallurgy 9 Active
US6258990A Process for producing polypropylene from C3 olefins selectively produced in a fluid catalytic cracking process from a naphtha/steam feed Chemistry; Metallurgy 8 Expired
US6339180B1 Process for producing polypropylene from C3 olefins selectively produced in a fluid catalytic cracking process Chemistry; Metallurgy 6 Expired
US6388152B1 Process for producing polypropylene from C3 olefins selectively produced in a fluid catalytic cracking process Chemistry; Metallurgy 6 Expired
US6803494B1 Process for selectively producing propylene in a fluid catalytic cracking process Chemistry; Metallurgy 4 Expired
US7214846B2 Recovery of ethylene and propylene from a methanol to olefin reaction system Emerging Cross-Sectional Technologies 1 Expired
US7208650B2 Recovery of ethylene and propylene from a methanol to olefin reaction system Emerging Cross-Sectional Technologies 1 Expired
US8092671B2 Method for processing hydrocarbon pyrolysis effluent Chemistry; Metallurgy 1 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.