TREA

with halogens or halogen-generating compounds

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  • CPC
  • D21C3/18
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DTEXTILES PAPER D21Papermaking D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS APPARATUS THEREFOR D21C3/00Pulping cellulose-containing materials

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D21C3/18with halogens or halogen-generating compounds
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Method of producing resin modifier, resin modifier, and composite m...
    • Patent number 11,891,501
    • Issue date Feb 6, 2024
    • Toagosei Co., Ltd.
    • Daisuke Kamiya
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Fiber production with supercritical fluid phase from cotton straw
    • Patent number 11,479,913
    • Issue date Oct 25, 2022
    • Mustafa Soylu
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Continuous process for production of cellulose pulp from grass-like...
    • Patent number 9,777,429
    • Issue date Oct 3, 2017
    • Marinko Mikulic
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method for producing cellulose nanofibers
    • Patent number 9,365,973
    • Issue date Jun 14, 2016
    • Nippon Paper Industries Co., Ltd.
    • Shiho Tsuji
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Methods of preserving starch in pulp and controlling calcium precip...
    • Patent number 9,347,179
    • Issue date May 24, 2016
    • Buckman Laboratories International, Inc.
    • Eddie Van Haute
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method to preserve native starch present in pulp in a papermaking p...
    • Patent number 9,091,024
    • Issue date Jul 28, 2015
    • Buckman Laboratories International, Inc.
    • Eddie Van Haute
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Methods of preserving starch in pulp and controlling calcium precip...
    • Patent number 8,764,942
    • Issue date Jul 1, 2014
    • Buckman Laboratories International, Inc.
    • Eddie Van Haute
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Lignocellulosic fibrous material made of wood
    • Patent number 8,152,960
    • Issue date Apr 10, 2012
    • Voith Patent GmbH
    • Hans-Ludwig Schubert
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Chemical oxidation for cellulose separation with a hypochlorite and...
    • Patent number 7,585,387
    • Issue date Sep 8, 2009
    • Board of Supervisors of Louisiana State University and Agricultural and Mecha...
    • Donal F. Day
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Cellulose production from lignocellulosic biomass
    • Patent number 6,620,292
    • Issue date Sep 16, 2003
    • PureVision Technology, Inc.
    • Richard C. Wingerson
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method of treating lignocellulosic biomass to produce cellulose
    • Patent number 6,419,788
    • Issue date Jul 16, 2002
    • PureVision Technology, Inc.
    • Richard C. Wingerson
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Cellulose food product and products resulting therefrom
    • Patent number 4,599,240
    • Issue date Jul 8, 1986
    • Jerome B. Thompson
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Process for preparing cellulose
    • Patent number 4,486,459
    • Issue date Dec 4, 1984
    • Jerome B. Thompson
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Process for preparing cellulose
    • Patent number 4,307,121
    • Issue date Dec 22, 1981
    • Jerome B. Thompson
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Process of the pulping of bleaching of vegetable material
    • Patent number 4,070,233
    • Issue date Jan 24, 1978
    • Japan Pulp & Paper Research Instutute Inc.
    • Hiroshi Matsuura
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3829357
    • Patent number 3,829,357
    • Issue date Aug 13, 1974
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3755068
    • Patent number 3,755,068
    • Issue date Aug 28, 1973
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3574052
    • Patent number 3,574,052
    • Issue date Apr 6, 1971
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3489742
    • Patent number 3,489,742
    • Issue date Jan 13, 1970
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2921880
    • Patent number 2,921,880
    • Issue date Jan 19, 1960
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2828253
    • Patent number 2,828,253
    • Issue date Mar 25, 1958
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2799580
    • Patent number 2,799,580
    • Issue date Jul 16, 1957
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2697703
    • Patent number 2,697,703
    • Issue date Dec 21, 1954
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2263903
    • Patent number 2,263,903
    • Issue date Nov 25, 1941
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2178266
    • Patent number 2,178,266
    • Issue date Oct 31, 1939
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1989571
    • Patent number 1,989,571
    • Issue date Jan 29, 1935
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1970148
    • Patent number 1,970,148
    • Issue date Aug 14, 1934
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1932904
    • Patent number 1,932,904
    • Issue date Oct 31, 1933
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1894501
    • Patent number 1,894,501
    • Issue date Jan 17, 1933
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1864220
    • Patent number 1,864,220
    • Issue date Jun 21, 1932
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents