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Process for producing dyed plastic lens
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Patent number 8,349,027
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Issue date Jan 8, 2013
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Hoya Corporation
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Misa Mishina
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Dyeing method of dyeing plastic lens
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Patent number 6,656,231
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Issue date Dec 2, 2003
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Nidek Co., Ltd.
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Minoru Inuzuka
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Vapor process for mineral dyeing cellulosic fabrics
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Patent number 4,445,902
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Issue date May 1, 1984
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The United States of America as represented by the Secretary of Agriculture
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David A. Yeadon
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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3663155
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Patent number 3,663,155
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Patent number 3,464,779
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Issue date Sep 2, 1969
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Patent number 1,895,243
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Issue date Jan 24, 1933
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Issue date May 7, 1929
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...