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  • D21H5/08
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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

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D21H5/08Vegetable parchment
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Patents Grantslast 30 patents

  • Information Patent Grant

    3508859
    • Patent number 3,508,859
    • Issue date Apr 28, 1970
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3458375
    • Patent number 3,458,375
    • Issue date Jul 29, 1969
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3399093
    • Patent number 3,399,093
    • Issue date Aug 27, 1968
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3348904
    • Patent number 3,348,904
    • Issue date Oct 24, 1967
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3112985
    • Patent number 3,112,985
    • Issue date Dec 3, 1963
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3108847
    • Patent number 3,108,847
    • Issue date Oct 29, 1963
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3076689
    • Patent number 3,076,689
    • Issue date Feb 5, 1963
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2299200
    • Patent number 2,299,200
    • Issue date Oct 20, 1942
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    2286968
    • Patent number 2,286,968
    • Issue date Jun 16, 1942
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2257576
    • Patent number 2,257,576
    • Issue date Sep 30, 1941
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2207122
    • Patent number 2,207,122
    • Issue date Jul 9, 1940
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2195239
    • Patent number 2,195,239
    • Issue date Mar 26, 1940
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    2067501
    • Patent number 2,067,501
    • Issue date Jan 12, 1937
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2023711
    • Patent number 2,023,711
    • Issue date Dec 10, 1935
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    1996857
    • Patent number 1,996,857
    • Issue date Apr 9, 1935
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1871702
    • Patent number 1,871,702
    • Issue date Aug 16, 1932
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1843783
    • Patent number 1,843,783
    • Issue date Feb 2, 1932
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1790367
    • Patent number 1,790,367
    • Issue date Jan 27, 1931
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1780616
    • Patent number 1,780,616
    • Issue date Nov 4, 1930
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1669429
    • Patent number 1,669,429
    • Issue date May 15, 1928
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1616062
    • Patent number 1,616,062
    • Issue date Feb 1, 1927
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1582319
    • Patent number 1,582,319
    • Issue date Apr 27, 1926
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1575290
    • Patent number 1,575,290
    • Issue date Mar 2, 1926
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1506317
    • Patent number 1,506,317
    • Issue date Aug 26, 1924
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1498797
    • Patent number 1,498,797
    • Issue date Jun 24, 1924
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1471021
    • Patent number 1,471,021
    • Issue date Oct 16, 1923
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1365483
    • Patent number 1,365,483
    • Issue date Jan 11, 1921
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1236959
    • Patent number 1,236,959
    • Issue date Aug 14, 1917
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1163417
    • Patent number 1,163,417
    • Issue date Dec 7, 1915
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1140253
    • Patent number 1,140,253
    • Issue date May 18, 1915
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents