TREA

Separating pith from fibrous vegetable materials

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Industry

  • CPC
  • D21B1/025
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Parent Industries

DTEXTILES PAPER D21Papermaking D21BFIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT D21B1/00Fibrous raw materials or their mechanical treatment

Current Industry

D21B1/025Separating pith from fibrous vegetable materials
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Corn stalk pretreatment apparatus and method for manufacturing pulp...
    • Patent number 11,369,971
    • Issue date Jun 28, 2022
    • NEWTREE PNP CO., LTD.
    • Hyun Soo Park
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Methods for preparing cannabis hurd fiber, purified cannabis hurd f...
    • Patent number 10,947,668
    • Issue date Mar 16, 2021
    • David Pauwels
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Corn stalk pretreatment apparatus and method for manufacturing pulp...
    • Patent number 10,857,541
    • Issue date Dec 8, 2020
    • NEWTREEPNP CORP.
    • Hyun Soo Park
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Corn stalk material, a method and apparatus for preparing it
    • Patent number 9,420,745
    • Issue date Aug 23, 2016
    • SHANDONG TRALIN PAPER CO., LTD.
    • Hongfa Li
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Process for producing paper and absorbent products of increased str...
    • Patent number 6,719,880
    • Issue date Apr 13, 2004
    • Weyerhaeuser Company
    • Jerry R. Speaks
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Chemical wood pulping process with reduced pitch and VOC emissions
    • Patent number 6,641,699
    • Issue date Nov 4, 2003
    • Weyerhauser Company
    • Jerry R. Speaks
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Process for producing a wood pulp having reduced pitch content and...
    • Patent number 6,364,999
    • Issue date Apr 2, 2002
    • Weyerhaeuser Company
    • Jerry R. Speaks
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Inclined rotatable drums and method for grading fibrous material
    • Patent number 5,343,596
    • Issue date Sep 6, 1994
    • Ankal Pty. Limited
    • Andrew F. Kaldor
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Bagasse depither
    • Patent number 5,266,161
    • Issue date Nov 30, 1993
    • Beloit Technologies, Inc.
    • Gary Kroeker
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Apparatus for grading fibrous material
    • Patent number 5,019,248
    • Issue date May 28, 1991
    • Ankal Pty Limited
    • Andrew F. Kaldor
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Crotalaria juncea paper pulps
    • Patent number 4,889,591
    • Issue date Dec 26, 1989
    • Process Evaluation and Development Corporation
    • Eduardo J. Villavicencio
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3187385
    • Patent number 3,187,385
    • Issue date Jun 8, 1965
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3011220
    • Patent number 3,011,220
    • Issue date Dec 5, 1961
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2936895
    • Patent number 2,936,895
    • Issue date May 17, 1960
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2805156
    • Patent number 2,805,156
    • Issue date Sep 3, 1957
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2729858
    • Patent number 2,729,858
    • Issue date Jan 10, 1956
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2729856
    • Patent number 2,729,856
    • Issue date Jan 10, 1956
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2723194
    • Patent number 2,723,194
    • Issue date Nov 8, 1955
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2225459
    • Patent number 2,225,459
    • Issue date Dec 17, 1940
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1818897
    • Patent number 1,818,897
    • Issue date Aug 11, 1931
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1790001
    • Patent number 1,790,001
    • Issue date Jan 27, 1931
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1782869
    • Patent number 1,782,869
    • Issue date Nov 25, 1930
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1501924
    • Patent number 1,501,924
    • Issue date Jul 22, 1924
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1399891
    • Patent number 1,399,891
    • Issue date Dec 13, 1921
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents