TREA

ammonium bisulfite

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Industry

  • CPC
  • D21C3/14
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Parent Industries

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

Current Industry

D21C3/14ammonium bisulfite
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Treatment of biomass to dissolve lignin with ionic liquid composition
    • Patent number 9,765,478
    • Issue date Sep 19, 2017
    • Imperial Innovations Ltd.
    • Agnieszka Brandt
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
  • Information Patent Grant

    Raw Paper
    • Patent number 8,771,465
    • Issue date Jul 8, 2014
    • Shandong Fuyin Paper & Environmental Protection Technology Co., Ltd
    • Hongfa Li
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Hardwood pulp having a tactile sense of softness, and tissue paper...
    • Patent number 4,734,162
    • Issue date Mar 29, 1988
    • The Procter & Gamble Company
    • Robert S. Ampulski
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Sulfite process for making pulp having a tactile softness from hard...
    • Patent number 4,634,499
    • Issue date Jan 6, 1987
    • The Procter & Gamble Company
    • Robert S. Ampulski
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3037901
    • Patent number 3,037,901
    • Issue date Jun 5, 1962
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2882147
    • Patent number 2,882,147
    • Issue date Apr 14, 1959
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2032437
    • Patent number 2,032,437
    • Issue date Mar 3, 1936
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1926002
    • Patent number 1,926,002
    • Issue date Sep 5, 1933
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1780842
    • Patent number 1,780,842
    • Issue date Nov 4, 1930
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1547907
    • Patent number 1,547,907
    • Issue date Jul 28, 1925
    • 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