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Silicone hydrogel contact lenses
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Patent number 9,296,159
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Issue date Mar 29, 2016
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CooperVision International Holding Company, LP
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Ying Zheng
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Silicone hydrogel contact lenses
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Patent number 9,217,813
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Issue date Dec 22, 2015
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CooperVision International Holding Company, LP
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Yuwen Liu
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Silicone hydrogel contact lenses
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Patent number 9,057,822
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Issue date Jun 16, 2015
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CooperVision International Holding Company, LP
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Yuwen Liu
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Reactive dyes for contact lenses
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Patent number 8,865,929
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Issue date Oct 21, 2014
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CooperVision International Holding Company, LP
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Yuan Xu
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Silicone hydrogel contact lenses
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Patent number 8,820,928
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Issue date Sep 2, 2014
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CooperVision International Holding Company, LP
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Arthur Back
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Wettable silicone hydrogel contact lenses
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Patent number 8,658,747
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Issue date Feb 25, 2014
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CooperVision International Holding Company, LP
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Yuwen Liu
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Wettable silicone hydrogel contact lenses
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Patent number 8,487,058
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Issue date Jul 16, 2013
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CooperVision International Holding Company, LP
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Yuwen Liu
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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