Ex parte KURTH - Page 10




          Appeal No. 93-4005                                                           
          Application 07/795,158                                                       

                    17. After publication of the application which                     
          matured into the German Patent 29 20 592 and after the filing                
          date of the application which matured into the Epstein patent,               
          an article was published describing autolysis in yeasts.                     
          Babayan, "Autolysis in Yeasts," Acta Biotechnol., Vol. 5,                    
          pages 129-136 (1985).                                                        
                    18. According to Babayan, "so-called 'induced                      
          autolysis' of microorganism cells of any age, may be                         
          artificially caused by means of various physical, chemical, or               
          biological agents" (Babayan, page 130).                                      
                    19. One physical factor is temperature conditions.                 
          According to Babayan, "[t]he autolysis rate depends on                       
          temperature, and the most optimal temperature interval for                   
          yeast was observed at 45)60EC" (Babayan, page 130, last                      
          sentence).                                                                   
                    20. One chemical factor is pH (Babayan, page 131).                 
                    21. One biological factor is the "[e]xtent of                      
          aeration.  Removal of oxygen from an actively growing culture                
          of aerobic microorganisms causes impaired energy supply to the               
          cells" (Babayan, page 131).                                                  



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