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3539597
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Patent number 3,539,597
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Issue date Nov 10, 1970
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C07 - ORGANIC CHEMISTRY
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3338659
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Patent number 3,338,659
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Issue date Aug 29, 1967
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C07 - ORGANIC CHEMISTRY
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3320234
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Patent number 3,320,234
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Issue date May 16, 1967
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C07 - ORGANIC CHEMISTRY
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2687939
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Patent number 2,687,939
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Issue date Aug 31, 1954
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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2687940
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Patent number 2,687,940
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Issue date Aug 31, 1954
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...