TREA

of protein fibres

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  • CPC
  • D21H5/1209
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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

D21H5/1209of protein fibres
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for preparing dispersion of collagen fiber
    • Patent number 4,097,234
    • Issue date Jun 27, 1978
    • Nippi, Incorporated
    • Takeshi Sohde
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    3723244
    • Patent number 3,723,244
    • Issue date Mar 27, 1973
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    3179342
    • Patent number 3,179,342
    • Issue date Apr 20, 1965
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2948692
    • Patent number 2,948,692
    • Issue date Aug 9, 1960
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2811442
    • Patent number 2,811,442
    • Issue date Oct 29, 1957
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2635958
    • Patent number 2,635,958
    • Issue date Apr 21, 1953
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2104996
    • Patent number 2,104,996
    • Issue date Jan 11, 1938
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1945173
    • Patent number 1,945,173
    • Issue date Jan 30, 1934
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    1791538
    • Patent number 1,791,538
    • Issue date Feb 10, 1931
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1744811
    • Patent number 1,744,811
    • Issue date Jan 28, 1930
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1674948
    • Patent number 1,674,948
    • Issue date Jun 26, 1928
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1673967
    • Patent number 1,673,967
    • Issue date Jun 19, 1928
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1538465
    • Patent number 1,538,465
    • Issue date May 19, 1925
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1302513
    • Patent number 1,302,513
    • Issue date May 6, 1919
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1269905
    • Patent number 1,269,905
    • Issue date Jun 18, 1918
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1021660
    • Patent number 1,021,660
    • Issue date Mar 26, 1912
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    743031
    • Patent number 743,031
    • Issue date Nov 3, 1903
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    114373
    • Patent number 114,373
    • Issue date May 2, 1871
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    73427
    • Patent number 73,427
    • Issue date Jan 21, 1868
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    53095
    • Patent number 53,095
    • Issue date Mar 13, 1866
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    53094
    • Patent number 53,094
    • Issue date Mar 13, 1866
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    51781
    • Patent number 51,781
    • Issue date Dec 26, 1865
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    39371
    • Patent number 39,371
    • Issue date Aug 4, 1863
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    20020
    • Patent number 20,020
    • Issue date Apr 20, 1858
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents