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                        Preparation of ketones
                    
                                            
                                - 
                                    Patent number 4,570,021
                                
 
                                - 
                                    Issue date Feb 11, 1986
                                
 
                        
                                            
                                - 
                                        
                                    SDS Biotech Corporation
                                 
                                - 
                                        
                                    Richard L. Cryberg
                                 
                        
                                            
                                - 
                                        
                                    C07 - ORGANIC CHEMISTRY
                                 
                        
                 
             
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                        Preparation of ketones
                    
                                            
                                - 
                                    Patent number 4,528,400
                                
 
                                - 
                                    Issue date Jul 9, 1985
                                
 
                        
                                            
                                - 
                                        
                                    SDS Biotech Corporation
                                 
                                - 
                                        
                                    Richard L. Cryberg
                                 
                        
                                            
                                - 
                                        
                                    C07 - ORGANIC CHEMISTRY
                                 
                        
                 
             
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                        Flavoring with pyrazine derivatives
                    
                                            
                                - 
                                    Patent number 4,303,689
                                
 
                                - 
                                    Issue date Dec 1, 1981
                                
 
                        
                                            
                                - 
                                        
                                    Firmenich SA
                                 
                                - 
                                        
                                    Max  Winter
                                 
                        
                                            
                                - 
                                        
                                    A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
                                 
                        
                 
             
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                        Aromatic sulfur flavoring agents
                    
                                            
                                - 
                                    Patent number 4,200,660
                                
 
                                - 
                                    Issue date Apr 29, 1980
                                
 
                        
                                            
                                - 
                                        
                                    Firmenich & Cie
                                 
                                - 
                                        
                                    Max  Winter
                                 
                        
                                            
                                - 
                                        
                                    A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
                                 
                        
                 
             
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                        Flavoring agent
                    
                                            
                                - 
                                    Patent number 4,038,435
                                
 
                                - 
                                    Issue date Jul 26, 1977
                                
 
                        
                                            
                                - 
                                        
                                    Firmenich & Cie
                                 
                                - 
                                        
                                    Max  Winter
                                 
                        
                                            
                                - 
                                        
                                    A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
                                 
                        
                 
             
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                        Flavoring agent
                    
                                            
                                - 
                                    Patent number 4,018,910
                                
 
                                - 
                                    Issue date Apr 19, 1977
                                
 
                        
                                            
                                - 
                                        
                                    Firmenich & Cie
                                 
                                - 
                                        
                                    Max  Winter
                                 
                        
                                            
                                - 
                                        
                                    A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
                                 
                        
                 
             
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                        Flavoring agent
                    
                                            
                                - 
                                    Patent number 4,005,227
                                
 
                                - 
                                    Issue date Jan 25, 1977
                                
 
                        
                                            
                                - 
                                        
                                    Firmenich & Cie
                                 
                                - 
                                        
                                    Max  Winter
                                 
                        
                                            
                                - 
                                        
                                    A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES