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Patents Grantslast 30 patents

  • Information Patent Grant

    Using stimulus to convert coal to mesophase pitch and carbon fibers

    • Patent number 11,739,271
    • Issue date Aug 29, 2023
    • Carbon Holdings Intellectual Properties, LLC
    • Charles Agee Atkins
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Froth washing prior to naphtha dilution

    • Patent number 10,781,375
    • Issue date Sep 22, 2020
    • Syncrude Canada Ltd. in trust for the owners of the Syncrude Project as such...
    • Yin Ming Samson Ng
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Method of producing needle coke for low CTE graphite electrodes

    • Patent number 10,253,264
    • Issue date Apr 9, 2019
    • GrafTech International Holdings Inc.
    • Douglas J. Miller
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Method of producing needle coke for low CTE graphite electrodes

    • Patent number 9,777,221
    • Issue date Oct 3, 2017
    • GrafTech International Holdings Inc.
    • Douglas J. Miller
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    Sinterable semi-coke powder with high bulk density

    • Patent number 8,613,801
    • Issue date Dec 24, 2013
    • Rheinkalk GmbH
    • Rainer Gadow
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Method of producing high softening point pitch

    • Patent number 7,220,348
    • Issue date May 22, 2007
    • Marathon Ashland Petroleum LLC
    • Donald P. Malone
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Coal tar pitch and the preparation and use thereof

    • Patent number 5,262,043
    • Issue date Nov 16, 1993
    • Rutgerswerke AG
    • Winfried Boenigk
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    A method for the production of a carbon fiber precursor

    • Patent number 4,756,818
    • Issue date Jul 12, 1988
    • Rutgerswerke Aktiengesellschaft
    • Siegfried Peter
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    2953504

    • Patent number 2,953,504
    • Issue date Sep 20, 1960
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    2893956

    • Patent number 2,893,956
    • Issue date Jul 7, 1959
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2868713

    • Patent number 2,868,713
    • Issue date Jan 13, 1959
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2795534

    • Patent number 2,795,534
    • Issue date Jun 11, 1957
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2795538

    • Patent number 2,795,538
    • Issue date Jun 11, 1957
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2766190

    • Patent number 2,766,190
    • Issue date Oct 9, 1956
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2748063

    • Patent number 2,748,063
    • Issue date May 29, 1956
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2740753

    • Patent number 2,740,753
    • Issue date Apr 3, 1956
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2738315

    • Patent number 2,738,315
    • Issue date Mar 13, 1956
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2640013

    • Patent number 2,640,013
    • Issue date May 26, 1953
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    2594352

    • Patent number 2,594,352
    • Issue date Apr 29, 1952
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2423424

    • Patent number 2,423,424
    • Issue date Jul 1, 1947
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2389172

    • Patent number 2,389,172
    • Issue date Nov 20, 1945
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2383362

    • Patent number 2,383,362
    • Issue date Aug 21, 1945
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2366900

    • Patent number 2,366,900
    • Issue date Jan 9, 1945
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2366901

    • Patent number 2,366,901
    • Issue date Jan 9, 1945
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2334667

    • Patent number 2,334,667
    • Issue date Nov 16, 1943
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2323501

    • Patent number 2,323,501
    • Issue date Jul 6, 1943
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2313385

    • Patent number 2,313,385
    • Issue date Mar 9, 1943
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2310500

    • Patent number 2,310,500
    • Issue date Feb 9, 1943
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    2297004

    • Patent number 2,297,004
    • Issue date Sep 29, 1942
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
  • Information Patent Grant

    2266698

    • Patent number 2,266,698
    • Issue date Dec 16, 1941
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents