recovery of used refining agents

Patents Grantslast 30 patents

  • Information Patent Grant

    Non-solvent crude oil heavy oil stream de-asphalting process

    • Patent number 11,254,879
    • Issue date Feb 22, 2022
    • Saudi Arabian Oil Company
    • Miao Sun
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    On-board separation of oxygenates from fuels

    • Patent number 11,168,275
    • Issue date Nov 9, 2021
    • Battelle Memorial Institute
    • John T. Bays
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Non-solvent crude oil heavy oil stream de-asphalting process

    • Patent number 10,954,454
    • Issue date Mar 23, 2021
    • Saudi Arabian Oil Company
    • Miao Sun
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Non-solvent asphaltene removal from crude oil using solid heteropol...

    • Patent number 10,800,980
    • Issue date Oct 13, 2020
    • Saudi Arabian Oil Company
    • Miao Sun
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Non-solvent asphaltene removal from crude oil using solid heteropol...

    • Patent number 10,800,979
    • Issue date Oct 13, 2020
    • Saudi Arabian Oil Company
    • Miao Sun
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Non-solvent asphaltene removal from crude oil using solid heteropol...

    • Patent number 10,308,880
    • Issue date Jun 4, 2019
    • Saudi Arabian Oil Company
    • Miao Sun
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Regeneration of sulfuric acid

    • Patent number 7,803,276
    • Issue date Sep 28, 2010
    • ExxonMobil Research and Engineering Company
    • Bhupender S. Minhas
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Treating oily wastes

    • Patent number 5,347,069
    • Issue date Sep 13, 1994
    • Chevron Research and Technology Company
    • Parameshwaran S. Sundar
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Two-step heterocyclic nitrogen extraction from petroleum oils

    • Patent number 4,960,507
    • Issue date Oct 2, 1990
    • Shell Oil Company
    • Wayne E. Evans
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Process for the regeneration of spent sulfuric acid

    • Patent number 4,376,107
    • Issue date Mar 8, 1983
    • John H. Morgenthaler
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2965558

    • Patent number 2,965,558
    • Issue date Dec 20, 1960
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2682498

    • Patent number 2,682,498
    • Issue date Jun 29, 1954
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2449098

    • Patent number 2,449,098
    • Issue date Sep 14, 1948
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2440459

    • Patent number 2,440,459
    • Issue date Apr 27, 1948
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    2370277

    • Patent number 2,370,277
    • Issue date Feb 27, 1945
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2354554

    • Patent number 2,354,554
    • Issue date Jul 25, 1944
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2309633

    • Patent number 2,309,633
    • Issue date Jan 26, 1943
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2301335

    • Patent number 2,301,335
    • Issue date Nov 10, 1942
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2293253

    • Patent number 2,293,253
    • Issue date Aug 18, 1942
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2207610

    • Patent number 2,207,610
    • Issue date Jul 9, 1940
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2185952

    • Patent number 2,185,952
    • Issue date Jan 2, 1940
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2172784

    • Patent number 2,172,784
    • Issue date Sep 12, 1939
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2151147

    • Patent number 2,151,147
    • Issue date Mar 21, 1939
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2141297

    • Patent number 2,141,297
    • Issue date Dec 27, 1938
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2115426

    • Patent number 2,115,426
    • Issue date Apr 26, 1938
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2092200

    • Patent number 2,092,200
    • Issue date Sep 7, 1937
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2078882

    • Patent number 2,078,882
    • Issue date Apr 27, 1937
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2070256

    • Patent number 2,070,256
    • Issue date Feb 9, 1937
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2066933

    • Patent number 2,066,933
    • Issue date Jan 5, 1937
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2064549

    • Patent number 2,064,549
    • Issue date Dec 15, 1936
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents