TREA

by contact with a device carrying the treating material

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Industry

  • CPC
  • D21H5/0025
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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

D21H5/0025by contact with a device carrying the treating material
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Process for discontinuous coating of a web by periodic deflection t...
    • Patent number 4,020,194
    • Issue date Apr 26, 1977
    • Acumeter Laboratories, Inc.
    • Donald B. McIntyre
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3926148
    • Patent number 3,926,148
    • Issue date Dec 16, 1975
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3802383
    • Patent number 3,802,383
    • Issue date Apr 9, 1974
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3067718
    • Patent number 3,067,718
    • Issue date Dec 11, 1962
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    2836221
    • Patent number 2,836,221
    • Issue date May 27, 1958
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    2764494
    • Patent number 2,764,494
    • Issue date Sep 25, 1956
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2357824
    • Patent number 2,357,824
    • Issue date Sep 12, 1944
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents