TREA

Plural serial stages

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  • CPC
  • D21H5/0052
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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

D21H5/0052Plural serial stages
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Process and apparatus for coating paper
    • Patent number 4,657,783
    • Issue date Apr 14, 1987
    • The Wiggins Teape Group Limited
    • Christopher F. Tatt
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Size press
    • Patent number 4,413,586
    • Issue date Nov 8, 1983
    • J. M. Voith GmbH
    • Albert Wohrle
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Process for coloring absorptive, rough surface paper
    • Patent number 3,952,119
    • Issue date Apr 20, 1976
    • Th. Goldschmidt AG
    • Helmut Buhler
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3717161
    • Patent number 3,717,161
    • Issue date Feb 20, 1973
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    3690910
    • Patent number 3,690,910
    • Issue date Sep 12, 1972
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    3535140
    • Patent number 3,535,140
    • Issue date Oct 20, 1970
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3474757
    • Patent number 3,474,757
    • Issue date Oct 28, 1969
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3413139
    • Patent number 3,413,139
    • Issue date Nov 26, 1968
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3293067
    • Patent number 3,293,067
    • Issue date Dec 20, 1966
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3196038
    • Patent number 3,196,038
    • Issue date Jul 20, 1965
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    3044896
    • Patent number 3,044,896
    • Issue date Jul 17, 1962
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2937955
    • Patent number 2,937,955
    • Issue date May 24, 1960
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2578345
    • Patent number 2,578,345
    • Issue date Dec 11, 1951
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2477604
    • Patent number 2,477,604
    • Issue date Aug 2, 1949
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2205201
    • Patent number 2,205,201
    • Issue date Jun 18, 1940
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2081324
    • Patent number 2,081,324
    • Issue date May 25, 1937
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1824885
    • Patent number 1,824,885
    • Issue date Sep 29, 1931
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1776590
    • Patent number 1,776,590
    • Issue date Sep 23, 1930
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1760606
    • Patent number 1,760,606
    • Issue date May 27, 1930
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents