Inventor · University Park, TX, US

James R. Lattner

152Patents
17h-index
193Co-inventors
89Inventor score

Filing activity: May 14, 1991 → May 16, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6121504A Process for converting oxygenates to olefins with direct product quenching for heat recovery Emerging Cross-Sectional Technologies 93 Expired
US7183328B2 Methanol manufacture using pressure swing reforming Emerging Cross-Sectional Technologies 76 Expired
US7148261B2 Methanol manufacture using pressure swing reforming Emerging Cross-Sectional Technologies 74 Expired
US6797851B2 Two catalyst process for making olefin Emerging Cross-Sectional Technologies 66 Expired
US6023005A Process for converting oxygenates to olefins using molecular sieve catalysts comprising desirable carbonaceous deposits Emerging Cross-Sectional Technologies 60 Expired
US7309383B2 Process for removing solid particles from a gas-solids flow Emerging Cross-Sectional Technologies 50 Expired
US8658750B2 System and method for selective trimerization Chemistry; Metallurgy 47 Active
US7230151B2 Two catalyst process for making olefin Emerging Cross-Sectional Technologies 45 Expired
US7135604B2 Process for separating carbon dioxide from an oxygenate-to-olefin effluent stream Emerging Cross-Sectional Technologies 39 Expired
US8227653B2 Olefin oligomerization reaction processes exhibiting reduced fouling Emerging Cross-Sectional Technologies 37 Active
US7060865B2 Recovery of C4 olefins from a product stream comprising C4 olefins, dimethyl ether and C5+ hydrocarbons Emerging Cross-Sectional Technologies 30 Expired
US6437208B1 Making an olefin product from an oxygenate Emerging Cross-Sectional Technologies 23 Expired
US5292985A Multi-stage olefin isomerization Chemistry; Metallurgy 23 Expired
US6002057A Alkylation process using zeolite beta Emerging Cross-Sectional Technologies 22 Expired
US6768036B2 Method for adding heat to a reactor system used to convert oxygenates to olefins Emerging Cross-Sectional Technologies 21 Expired
US7772450B2 Production of aromatic hydrocarbons and syngas from methane Emerging Cross-Sectional Technologies 19 Active
US6376733B1 Process for production of paraxylene Emerging Cross-Sectional Technologies 17 Expired
US6482998B1 Process for converting oxygenates to olefins with direct product quenching for heat recovery Emerging Cross-Sectional Technologies 17 Expired
US8008412B2 Polymer production at supersolution conditions Chemistry; Metallurgy 14 Active
US7199276B2 Controlling the ratio of ethylene to propylene produced in an oxygenate to olefin conversion process Emerging Cross-Sectional Technologies 12 Expired
US7195741B2 Multiple riser reactor Emerging Cross-Sectional Technologies 12 Expired
US6717025B1 Process for removing oxygenates from an olefinic stream Chemistry; Metallurgy 12 Expired
US6673978B2 Process for making olefins Emerging Cross-Sectional Technologies 11 Expired
US6740791B2 Process for converting oxygenates to olefins with direct product quenching for heat recovery Emerging Cross-Sectional Technologies 10 Expired
US6455747B1 Method for converting oxygenates to olefins Emerging Cross-Sectional Technologies 10 Expired

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