with NH3 or H2O

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for continuously cooking grass raw materials and device

    • Patent number 10,053,816
    • Issue date Aug 21, 2018
    • SHANDONG TRALIN PAPER CO., LTD.
    • Hongfa Li
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Organic solvent pretreatment of biomass to enhance enzymatic saccha...

    • Patent number 8,460,898
    • Issue date Jun 11, 2013
    • E I du Pont de Nemours and Company
    • Bruce A Diner
    • C13 - SUGAR INDUSTRY
  • Information Patent Grant

    Biomass pretreatment

    • Patent number 8,445,236
    • Issue date May 21, 2013
    • Alliance for Sustainable Energy LLC
    • Susan Marie Hennessey
    • C13 - SUGAR INDUSTRY
  • Information Patent Grant

    Organic solvent pretreatment of biomass to enhance enzymatic saccha...

    • Patent number 8,241,873
    • Issue date Aug 14, 2012
    • E I du Pont de Nemours and Company
    • Bruce A. Diner
    • C13 - SUGAR INDUSTRY
  • Information Patent Grant

    Apparatus, process and pressure reactor for the treatment of solids...

    • Patent number 6,416,621
    • Issue date Jul 9, 2002
    • Rhodia Acetow GmbH
    • Ties Karstens
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Ammonia-ketone pulping process

    • Patent number 3,951,734
    • Issue date Apr 20, 1976
    • Weyerhaeuser Company
    • Gerrit G. DeHaas
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2964518

    • Patent number 2,964,518
    • Issue date Dec 13, 1960
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1891337

    • Patent number 1,891,337
    • Issue date Dec 20, 1932
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1817525

    • Patent number 1,817,525
    • Issue date Aug 4, 1931
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1802715

    • Patent number 1,802,715
    • Issue date Apr 28, 1931
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1649281

    • Patent number 1,649,281
    • Issue date Nov 15, 1927
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1334679

    • Patent number 1,334,679
    • Issue date Mar 23, 1920
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1100519

    • Patent number 1,100,519
    • Issue date Jun 16, 1914
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents