TREA

Pretreatment of paper to which liquids or other fluent materials are to be applied

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Industry

  • CPC
  • D21H5/0007
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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

D21H5/0007Pretreatment of paper to which liquids or other fluent materials are to be applied
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Wet strength treated paper and paperboard
    • Patent number 9,499,944
    • Issue date Nov 22, 2016
    • Georgia-Pacific Chemicals LLC
    • Gregg A. Reed
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method and apparatus for manufacturing resin-impregnated sheet mate...
    • Patent number 4,737,383
    • Issue date Apr 12, 1988
    • Matsushita Electric Works, Ltd.
    • Toshiyuki Matsumae
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Fibrous web saturator
    • Patent number 4,590,099
    • Issue date May 20, 1986
    • R & R Research & Development, Inc.
    • Richard A. Reith
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Process for producing heat-sensitive recording paper
    • Patent number 4,576,831
    • Issue date Mar 18, 1986
    • Fuji Photo Film Co., Ltd.
    • Noriyuki Hosoi
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Process for producing dry finished paperboard
    • Patent number 4,289,808
    • Issue date Sep 15, 1981
    • Westvaco Corporation
    • Denis K. Huang
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3912835
    • Patent number 3,912,835
    • Issue date Oct 14, 1975
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3767451
    • Patent number 3,767,451
    • Issue date Oct 23, 1973
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3735729
    • Patent number 3,735,729
    • Issue date May 29, 1973
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3640752
    • Patent number 3,640,752
    • Issue date Feb 8, 1972
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3632378
    • Patent number 3,632,378
    • Issue date Jan 4, 1972
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3503370
    • Patent number 3,503,370
    • Issue date Mar 31, 1970
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3498865
    • Patent number 3,498,865
    • Issue date Mar 3, 1970
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3133855
    • Patent number 3,133,855
    • Issue date May 19, 1964
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3119708
    • Patent number 3,119,708
    • Issue date Jan 28, 1964
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3045273
    • Patent number 3,045,273
    • Issue date Jul 24, 1962
    • B08 - CLEANING
  • Information Patent Grant

    2894853
    • Patent number 2,894,853
    • Issue date Jul 14, 1959
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2768905
    • Patent number 2,768,905
    • Issue date Oct 30, 1956
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2766484
    • Patent number 2,766,484
    • Issue date Oct 16, 1956
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2521666
    • Patent number 2,521,666
    • Issue date Sep 5, 1950
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2419206
    • Patent number 2,419,206
    • Issue date Apr 22, 1947
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2342643
    • Patent number 2,342,643
    • Issue date Feb 29, 1944
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    2339045
    • Patent number 2,339,045
    • Issue date Jan 11, 1944
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    2279553
    • Patent number 2,279,553
    • Issue date Apr 14, 1942
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    2143809
    • Patent number 2,143,809
    • Issue date Jan 10, 1939
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2130530
    • Patent number 2,130,530
    • Issue date Sep 20, 1938
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2129249
    • Patent number 2,129,249
    • Issue date Sep 6, 1938
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2059881
    • Patent number 2,059,881
    • Issue date Nov 3, 1936
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2059880
    • Patent number 2,059,880
    • Issue date Nov 3, 1936
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    1989036
    • Patent number 1,989,036
    • Issue date Jan 22, 1935
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1920541
    • Patent number 1,920,541
    • Issue date Aug 1, 1933
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents