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3906061
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C07 - ORGANIC CHEMISTRY
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3899771
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Patent number 3,899,771
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G06 - COMPUTING CALCULATING COUNTING
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3819771
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Patent number 3,819,771
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C07 - ORGANIC CHEMISTRY
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3758646
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Patent number 3,758,646
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C07 - ORGANIC CHEMISTRY
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3664974
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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3655831
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Patent number 3,655,831
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Issue date Apr 11, 1972
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C07 - ORGANIC CHEMISTRY
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3576920
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Patent number 3,576,920
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C07 - ORGANIC CHEMISTRY
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3576917
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Patent number 3,576,917
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C07 - ORGANIC CHEMISTRY
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3526613
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C07 - ORGANIC CHEMISTRY
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3516963
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C07 - ORGANIC CHEMISTRY
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C07 - ORGANIC CHEMISTRY
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3471592
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Patent number 3,471,592
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C07 - ORGANIC CHEMISTRY
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3463837
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Patent number 3,463,837
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C07 - ORGANIC CHEMISTRY
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Patent number 3,457,331
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Patent number 3,433,856
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C07 - ORGANIC CHEMISTRY
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Patent number 3,349,150
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C07 - ORGANIC CHEMISTRY
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...