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Patents

Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US399742526 Dec 197414 Dec 1976Universal Oil Products CompanyProcess for the liquefaction of coal
US404532823 Jul 197630 Aug 1977Exxon Research and Engineering CompanyProduction of hydrogenated coal liquids
US404805423 Jul 197613 Sep 1977Exxon Research and Engineering CompanyLiquefaction of coal
US407900414 Dec 197614 Mar 1978UOP Inc.Method for separating undissolved solids from a coal liquefaction product
US407900514 Dec 197614 Mar 1978UOP Inc.Method for separating undissolved solids from a coal liquefaction product
US408135829 Dec 197628 Mar 1978UOP Inc.Process for the liquefaction of coal and separation of solids from the liquid product
US408135914 Dec 197628 Mar 1978UOP Inc.Process for the liquefaction of coal and separation of solids from the liquid product
US408136029 Dec 197628 Mar 1978UOP Inc.Method for suppressing asphaltene formation during coal liquefaction and separation of solids from the liquid product
US408264314 Dec 19764 Apr 1978UOP Inc.Process for the liquefaction of coal and separation of solids from the product stream
US408264414 Dec 19764 Apr 1978UOP Inc.Process for the liquefaction of coal and separation of solids from the product stream
US40909447 Sep 197623 May 1978Battelle Memorial InstituteProcess for catalytic depolymerization of coal to liquid fuel
US412334726 Sep 197731 Oct 1978Exxon Research & Engineering Co.Coal liquefaction process
US41793527 Aug 197518 Dec 1979Exxon Research & Engineering Co.Coal liquefaction process
US43127465 Feb 198026 Jan 1982Gulf Research & Development CompanyCatalytic production of octahydrophenanthrene-enriched solvent
US43222845 Feb 198030 Mar 1982Gulf Research & Development CompanySolvent refining of coal using octahydrophenanthrene-enriched solvent and coal minerals recycle
US43234475 Feb 19806 Apr 1982Gulf Research & Development CompanyCoal Liquefaction process employing octahydrophenanthrene-enriched solvent
US43560788 Sep 198026 Oct 1982The Pittsburg & Midway Coal Mining Co.Process for blending coal with water immiscible liquid
US455122416 Dec 19835 Nov 1985Texaco Inc.Coal liquefaction process
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
US822681624 May 200724 Jul 2012West Virginia UniversityMethod of producing synthetic pitch

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