TREA

from natural polymers

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  • CPC
  • D21H13/28
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Parent Industries

DTEXTILES PAPER D21Papermaking D21HPULP COMPOSITIONS PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D IMPREGNATING OR COATING OF PAPER TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G PAPER NOT OTHERWISE PROVIDED FOR D21H13/00Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material

Current Industry

D21H13/28from natural polymers
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Water-dispersible composite structure and method of producing the same
    • Patent number 11,885,072
    • Issue date Jan 30, 2024
    • Paptic Oy
    • Karita Kinnunen-Raudaskoski
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Water-dispersible composite structure and method of producing the same
    • Patent number 11,512,434
    • Issue date Nov 29, 2022
    • Paptic Oy
    • Karita Kinnunen-Raudaskoski
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method for producing fine fibers and sheet containing fine fibers
    • Patent number 9,982,387
    • Issue date May 29, 2018
    • Oji Holdings Corporation
    • Yuichi Noguchi
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Process for manufacturing a composite article comprising cellulose...
    • Patent number 9,932,708
    • Issue date Apr 3, 2018
    • Sodra Skogsagarna Ekonomisk Forening
    • Narcis Mesic
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    High strength macroalgae pulps
    • Patent number 9,499,941
    • Issue date Nov 22, 2016
    • Kimberly-Clark Worldwide, Inc.
    • Bo Shi
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Nonwoven fabric
    • Patent number 4,018,646
    • Issue date Apr 19, 1977
    • Johnson & Johnson
    • Angelo P. Ruffo
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Apparatus for preparing air-laid nonwoven webs from combined streams
    • Patent number 3,963,392
    • Issue date Jun 15, 1976
    • Johnson & Johnson
    • Prashant K. Goyal
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Grant

    3895089
    • Patent number 3,895,089
    • Issue date Jul 15, 1975
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Grant

    3772739
    • Patent number 3,772,739
    • Issue date Nov 20, 1973
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3768118
    • Patent number 3,768,118
    • Issue date Oct 30, 1973
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3740797
    • Patent number 3,740,797
    • Issue date Jun 26, 1973
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3392084
    • Patent number 3,392,084
    • Issue date Jul 9, 1968
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1841067
    • Patent number 1,841,067
    • Issue date Jan 12, 1932
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents