TREA

by a rubbing device

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  • CPC
  • D21H5/0027
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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 D21H5/00Special paper or cardboard not otherwise provided for

Current Industry

D21H5/0027by a rubbing device
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bio-based polyelectrolyte complex compositions comprising non-water...
    • Patent number 11,525,211
    • Issue date Dec 13, 2022
    • OrganoClick AB
    • Juhanes Aydin
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Coating process
    • Patent number 4,741,918
    • Issue date May 3, 1988
    • Tribohesion Limited
    • Erno Nagy de Nagybaczon
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    3305392
    • Patent number 3,305,392
    • Issue date Feb 21, 1967
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1827640
    • Patent number 1,827,640
    • Issue date Oct 13, 1931
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1747104
    • Patent number 1,747,104
    • Issue date Feb 11, 1930
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE