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                        Pelletizing apparatus
                    
                                            
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                                    Patent number 4,272,234
                                
 
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                                    Issue date Jun 9, 1981
                                
 
                        
                                            
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                                    Procor Limited
                                 
                                - 
                                        
                                    Samuel Y. H. Tse
                                 
                        
                                            
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                                    C01 - INORGANIC CHEMISTRY
                                 
                        
                 
             
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                        Method of granulation of sulfur
                    
                                            
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                                    Patent number 4,263,012
                                
 
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                                    Issue date Apr 21, 1981
                                
 
                        
                                            
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                                    Instytut Przemyslu Organicznego
                                 
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                                    Halina  Leszczynska
                                 
                        
                                            
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                                    C01 - INORGANIC CHEMISTRY
                                 
                        
                 
             
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                        3799884
                    
                                            
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                                    Patent number 3,799,884
                                
 
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                                    Issue date Mar 26, 1974
                                
 
                        
                                                                
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                                    C05 - FERTILISERS MANUFACTURE THEREOF
                                 
                        
                 
             
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                        3580519
                    
                                            
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                                    Patent number 3,580,519
                                
 
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                                    Issue date May 25, 1971
                                
 
                        
                                                                
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                                    A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
                                 
                        
                 
             
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                        3499784
                    
                                            
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                                    Patent number 3,499,784
                                
 
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                                    Issue date Mar 10, 1970
                                
 
                        
                                                                
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                                    A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
                                 
                        
                 
             
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                        3461080
                    
                                            
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                                    Patent number 3,461,080
                                
 
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                                    Issue date Aug 12, 1969
                                
 
                        
                                                                
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                                    C01 - INORGANIC CHEMISTRY
                                 
                        
                 
             
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                        3427292
                    
                                            
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                                    Patent number 3,427,292
                                
 
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                                    Issue date Feb 11, 1969
                                
 
                        
                                                                
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                                    C01 - INORGANIC CHEMISTRY
                                 
                        
                 
             
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                        3396034
                    
                                            
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                                    Patent number 3,396,034
                                
 
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                                    Issue date Aug 6, 1968
                                
 
                        
                                                                
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                                    A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
                                 
                        
                 
             
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                        3314763
                    
                                            
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                                    Patent number 3,314,763
                                
 
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                                    Issue date Apr 18, 1967
                                
 
                        
                                                                
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                                    C01 - INORGANIC CHEMISTRY
                                 
                        
                 
             
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                        3282728
                    
                                            
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                                    Patent number 3,282,728
                                
 
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                                    Issue date Nov 1, 1966
                                
 
                        
                                                                
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                                    C01 - INORGANIC CHEMISTRY
                                 
                        
                 
             
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                        2773798
                    
                                            
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                                    Patent number 2,773,798
                                
 
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                                    Issue date Dec 11, 1956
                                
 
                        
                                                                
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                                    C01 - INORGANIC CHEMISTRY
                                 
                        
                 
             
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                        2733985
                    
                                            
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                                    Patent number 2,733,985
                                
 
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                                    Issue date Feb 7, 1956
                                
 
                        
                                                                
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                                    C01 - INORGANIC CHEMISTRY