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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
                                 
                                - 
                                        
                                    Yuwen  Liu
                                 
                        
                                            
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                                    B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
                                 
                        
                 
             
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                        Wettable silicone hydrogel contact lenses
                    
                                            
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                                    Patent number 9,164,298
                                
 
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                                    Issue date Oct 20, 2015
                                
 
                        
                                            
                                - 
                                        
                                    CooperVision International Holding Company, LP
                                 
                                - 
                                        
                                    Ye  Hong
                                 
                        
                                            
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                                    C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
                                 
                        
                 
             
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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
                                
 
                        
                                            
                                - 
                                        
                                    CooperVision International Holding Company, LP
                                 
                                - 
                                        
                                    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
                                
 
                        
                                            
                                - 
                                        
                                    CooperVision International Holding Company, LP
                                 
                                - 
                                        
                                    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
                                
 
                        
                                            
                                - 
                                        
                                    CooperVision International Holding Company, LP
                                 
                                - 
                                        
                                    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
                                
 
                        
                                            
                                - 
                                        
                                    CooperVision International Holding Company, LP
                                 
                                - 
                                        
                                    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
                                
 
                        
                                            
                                - 
                                        
                                    CooperVision International Holding Company, LP
                                 
                                - 
                                        
                                    Yuwen  Liu
                                 
                        
                                            
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                                    B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
                                 
                        
                 
             
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