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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US417936113 Nov 197818 Dic 1979Chevron Research CompanySorbent regeneration in a process for removing sulfur-containing impurities from mineral oils
US433613028 Nov 198022 Jun 1982Union Oil Company of CaliforniaDesulfurization of hydrocarbons
US437603229 May 19818 Mar 1983International Coal Refining CompanyCoal Liquefaction desulfurization process
US441922421 Jun 19826 Dic 1983Union Oil Company of CaliforniaDesulfurization of hydrocarbons
US444498713 Jul 198224 Abr 1984U.S. Steel CorporationMethod of removal of COS from propylene
US459282926 Dic 19843 Jun 1986Exxon Research and Engineering Co.Desulfurization of hydrocarbons
US46137249 Jul 198523 Sep 1986Labofina, S.A.Process for removing carbonyl-sulfide from liquid hydrocarbon feedstocks
US483073530 Sep 198716 May 1989Labofina, S.A.Process for removing carbonyl-sulfide from liquid hydrocarbon feedstocks
US486193923 Sep 198829 Ago 1989Labofina, S.A.Process for removing arsine from light olefin containing hydrocarbon feedstocks
US54704561 Jun 199328 Nov 1995Fina Research, S.A.Process for removing carbonyl-sulfide from liquid hydrocarbon feedstocks
US625476625 Ago 19993 Jul 2001Phillips Petroleum CompanyDesulfurization and novel sorbents for same
US695575224 May 200218 Oct 2005ConocoPhilips CompanyDesulfurization and novel sorbents for same
US72680972 Abr 200111 Sep 2007Idemitsu Kosan Co., Ltd.Desulfurizing agent for hydrocarbon derived from petroleum, method for producing hydrogen for use in fuel cell and method for producing nickel-based desulfurizing agent
US76662987 Abr 200423 Feb 2010China Petroleum & Chemical CorporationDesulfurization system with enhanced fluid/solids contacting