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3887528
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3806317
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Patent number 3,806,317
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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3745137
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Patent number 3,745,137
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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3670011
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Patent number 3,670,011
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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3536681
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Patent number 3,536,681
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Issue date Oct 27, 1970
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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3520843
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Patent number 3,520,843
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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3514425
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Patent number 3,514,425
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3511820
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Patent number 3,511,820
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3427454
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Patent number 3,427,454
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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3388110
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Patent number 3,388,110
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3356651
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Patent number 3,356,651
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Patent number 3,328,369
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3320334
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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3164573
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Patent number 3,098,697
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Patent number 3,066,120
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3048618
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Patent number 3,048,618
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2993860
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Patent number 2,993,860
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2983474
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Patent number 2,983,474
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2980658
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Patent number 2,980,658
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