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Patents

Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US415729115 Feb 19785 Jun 1979Gulf Research & Development CompanyProcess for extending life of coal liquefaction catalyst
US429595418 Oct 197920 Oct 1981Mobil Oil CorporationCoal conversion catalysts
US433153027 Feb 197825 May 1982Occidental Research CorporationProcess for the conversion of coal
US434483820 Apr 198117 Aug 1982Mobil Oil CorporationCoal conversion catalysts
US441176730 Sep 198225 Oct 1983Air Products and Chemicals, Inc.Integrated process for the solvent refining of coal
US455264227 Jun 198312 Nov 1985Ashland Oil, Inc.Method for converting coal to upgraded liquid product
US466123729 Mar 198328 Apr 1987Asahi Kasei Kogyo Kabushiki KaishaProcess for thermal cracking of carbonaceous substances which increases gasoline fraction and light oil conversions
US472841823 Oct 19851 Mar 1988University of UtahProcess for the low-temperature depolymerization of coal and its conversion to a hydrocarbon oil
US52943494 Aug 199215 Mar 1994Exxon Research and Enginnering CompanyCoal depolymerization and hydroprocessing
US52961334 Aug 199222 Mar 1994Exxon Research and Engineering CompanyLow ash coal products from depolymerized coal
US52981574 Aug 199229 Mar 1994Exxon Research and Engineering CompanyCoal depolymerization utilizing hard acid/soft base
US548937612 Aug 19946 Feb 1996Exxon Research and Engineering CompanyRecovery of hard acids and soft bases from decomposed coal
US548937712 Aug 19946 Feb 1996Exxon Research and Engineering CompanyRecovery of hard acids and soft bases from decomposed coal
US549261812 Aug 199420 Feb 1996Exxon Research and Engineering CompanyRecovery of hard acids and soft bases from decomposed coal

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