preparing azo dyes on the material

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    3634015

    • Patent number 3,634,015
    • Issue date Jan 11, 1972
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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    2938762

    • Patent number 2,938,762
    • Issue date May 31, 1960
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    2754171

    • Patent number 2,754,171
    • Issue date Jul 10, 1956
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    2742341

    • Patent number 2,742,341
    • Issue date Apr 17, 1956
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    2643175

    • Patent number 2,643,175
    • Issue date Jun 23, 1953
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    2403900

    • Patent number 2,403,900
    • Issue date Jul 16, 1946
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    2349282

    • Patent number 2,349,282
    • Issue date May 23, 1944
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    2343995

    • Patent number 2,343,995
    • Issue date Mar 14, 1944
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    2255130

    • Patent number 2,255,130
    • Issue date Sep 9, 1941
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    2195585

    • Patent number 2,195,585
    • Issue date Apr 2, 1940
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    2178744

    • Patent number 2,178,744
    • Issue date Nov 7, 1939
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    2173178

    • Patent number 2,173,178
    • Issue date Sep 19, 1939
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    2156069

    • Patent number 2,156,069
    • Issue date Apr 25, 1939
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    2132456

    • Patent number 2,132,456
    • Issue date Oct 11, 1938
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    2048796

    • Patent number 2,048,796
    • Issue date Jul 28, 1936
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    2042751

    • Patent number 2,042,751
    • Issue date Jun 2, 1936
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    2017995

    • Patent number 2,017,995
    • Issue date Oct 22, 1935
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    2010884

    • Patent number 2,010,884
    • Issue date Aug 13, 1935
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    2008691

    • Patent number 2,008,691
    • Issue date Jul 23, 1935
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    1844350

    • Patent number 1,844,350
    • Issue date Feb 9, 1932
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    1811576

    • Patent number 1,811,576
    • Issue date Jun 23, 1931
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    1690481

    • Patent number 1,690,481
    • Issue date Nov 6, 1928
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    1549906

    • Patent number 1,549,906
    • Issue date Aug 18, 1925
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    1532921

    • Patent number 1,532,921
    • Issue date Apr 7, 1925
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    1498315

    • Patent number 1,498,315
    • Issue date Jun 17, 1924
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