TREA

Treating discontinuous paper

Follow

Industry

  • CPC
  • D21H23/66
This industry / category may be too specific. Please go to a parent level for more data

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 D21H23/00Processes or apparatus for adding material to the pulp or to the paper

Current Industry

D21H23/66Treating discontinuous paper
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Method of processing cannabis
    • Patent number 11,986,008
    • Issue date May 21, 2024
    • David Addington
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method and apparatus for coating a drinking straw
    • Patent number 11,673,158
    • Issue date Jun 13, 2023
    • Jon Kyle Lavender
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Polymer coated paperboard container and method
    • Patent number 11,332,281
    • Issue date May 17, 2022
    • ALTRIA CLIENT SERVICES LLC
    • Gregory James Griscik
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Paper comprising aramid pulp and a friction paper made therefrom
    • Patent number 10,767,316
    • Issue date Sep 8, 2020
    • DuPont Safety & Construction, Inc.
    • Mehdi Afshari
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Polymer coated paperboard container and method
    • Patent number 10,604,302
    • Issue date Mar 31, 2020
    • ALTRIA CLIENT SERVICES LLC
    • Gregory James Griscik
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Method for producing paper
    • Patent number 10,458,068
    • Issue date Oct 29, 2019
    • Kemira Oyj
    • Chen Lu
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Printable sheet that is ultra-smooth and recyclable, and its method...
    • Patent number 9,416,495
    • Issue date Aug 16, 2016
    • Arjo Wiggins Fine Papers Limited
    • Gael Depres
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Liquid-resistant paperboard tube, and method and apparatus for maki...
    • Patent number 6,677,019
    • Issue date Jan 13, 2004
    • Sonoco Development, Inc.
    • Scott W. Huffer
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method for disacidifying paper products with printings or inscriptions
    • Patent number 6,471,915
    • Issue date Oct 29, 2002
    • Oswald Bell
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Wave coating of articles
    • Patent number 6,245,388
    • Issue date Jun 12, 2001
    • The Chinet Company Technology
    • Peter D. Foster
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Structure having controlled water resistance
    • Patent number 5,560,962
    • Issue date Oct 1, 1996
    • Zeneca Limited
    • Peter M. Brunger
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Manufacture of colored egg packages
    • Patent number 4,938,412
    • Issue date Jul 3, 1990
    • Vagn Genter
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Converting machine gum box
    • Patent number 4,375,970
    • Issue date Mar 8, 1983
    • Westvaco Corporation
    • Joseph M. Murphy
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Apparatus for wax impregnation
    • Patent number 4,085,701
    • Issue date Apr 25, 1978
    • Andax Pty. Ltd.
    • George Anson
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Device for impregnating paper
    • Patent number 4,073,264
    • Issue date Feb 14, 1978
    • Ronald M. Stephens
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3657044
    • Patent number 3,657,044
    • Issue date Apr 18, 1972
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3537424
    • Patent number 3,537,424
    • Issue date Nov 3, 1970
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3152003
    • Patent number 3,152,003
    • Issue date Oct 6, 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

    3033708
    • Patent number 3,033,708
    • Issue date May 8, 1962
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2943632
    • Patent number 2,943,632
    • Issue date Jul 5, 1960
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2839838
    • Patent number 2,839,838
    • Issue date Jun 24, 1958
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2765494
    • Patent number 2,765,494
    • Issue date Oct 9, 1956
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2723923
    • Patent number 2,723,923
    • Issue date Nov 15, 1955
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2710264
    • Patent number 2,710,264
    • Issue date Jun 7, 1955
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2710265
    • Patent number 2,710,265
    • Issue date Jun 7, 1955
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2664793
    • Patent number 2,664,793
    • Issue date Jan 5, 1954
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2535087
    • Patent number 2,535,087
    • Issue date Dec 26, 1950
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2303257
    • Patent number 2,303,257
    • Issue date Nov 24, 1942
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2280216
    • Patent number 2,280,216
    • Issue date Apr 21, 1942
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents