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Brevets

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Brevet citant Date de dépôt Date de délivrance Cessionnaire d'origine Titre
US406156212 juil. 19766 déc. 1977Gulf Research & Development CompanyThermal cracking of hydrodesulfurized residual petroleum oils
US406537914 janv. 197627 déc. 1977Shell Oil CompanyProcess for the production of normally gaseous olefins
US409736312 juil. 197627 juin 1978Gulf Research & Development CompanyThermal cracking of light gas oil at high severity to ethylene
US413714716 sept. 197730 janv. 1979Institut Francais du PetroleProcess for manufacturing olefinic hydrocarbons with respectively two and three carbon atoms per molecule
US418045310 févr. 197825 déc. 1979Institut Francais du PetroleProcess for the steam-cracking of heavy feedstocks
US41816017 avr. 19781 janv. 1980The Lummus CompanyFeed hydrotreating for improved thermal cracking
US418828112 mai 197812 févr. 1980Linde Aktiengesellschaft
Bayer Aktiengesellschaft
Two-stage production of olefins utilizing a faujasite structure zeolite in hydrogenation stage
US42578719 oct. 197924 mars 1981Linde AktiengesellschaftUse of vacuum residue in thermal cracking
US42604749 oct. 19797 avr. 1981Linde AktiengesellschaftThermal cracking of heavy fraction of hydrocarbon hydrogenate
US429720421 févr. 197927 oct. 1981Linde AktiengesellschaftThermal cracking with post hydrogenation and recycle of heavy fractions
US431040916 oct. 198012 janv. 1982Linde AktiengesellschaftThermal cracking of heavy fraction of hydrocarbon hydrogenate
US461579520 déc. 19847 oct. 1986Stone & Webster Engineering CorporationIntegrated heavy oil pyrolysis process
US461975719 déc. 198428 oct. 1986Linde AktiengesellschaftTwo stage hydrotreating pretreatment in production of olefins from heavy hydrocarbons
US46612385 sept. 198528 avr. 1987UOP Inc.Combination process for the conversion of a distillate hydrocarbon to maximize middle distillate production
US477076418 nov. 198613 sept. 1988Asahi Kasei Kogyo Kabushiki KaishaProcess for converting heavy hydrocarbon into more valuable product
US479239021 sept. 198720 déc. 1988UOP Inc.Combination process for the conversion of a distillate hydrocarbon to produce middle distillate product
US479866527 avr. 198717 janv. 1989UOP Inc.Combination process for the conversion of a distillate hydrocarbon to maximize middle distillate production
US590672823 août 199625 mai 1999Exxon Chemical Patents Inc.Process for increased olefin yields from heavy feedstocks
US614980024 févr. 199921 nov. 2000Exxon Chemical Patents Inc.Process for increased olefin yields from heavy feedstocks
US61905338 mai 199720 févr. 2001Exxon Chemical Patents Inc.Integrated hydrotreating steam cracking process for the production of olefins
US62105618 mai 19973 avr. 2001Exxon Chemical Patents Inc.Steam cracking of hydrotreated and hydrogenated hydrocarbon feeds
US63038426 avr. 200016 oct. 2001Equistar Chemicals, LPMethod of producing olefins from petroleum residua
US797249819 oct. 20065 juil. 2011ExxonMobil Chemical Patents Inc.Resid processing for steam cracker feed and catalytic cracking