Ex parte BROWN et al. - Page 9




          Appeal No. 1997-3930                                                         
          Application 08/394,596                                                       



          in measuring the concentration of protein in blood extracted                 
          from human tissues. See page 2.  Minekane teaches that Fig. 1                
          is a structural diagram of the densitometer of the invention.                
          We note that the structure disclosed utilizes a photomal item                
          6, which transforms the light into a electrical signal.                      
          Therefore, we fail to find that Minekane teaches a                           
          spectrometer to obtain an evanescent spectrum of hydrocarbon                 
          sample.                                                                      
               Finally, we turn to Fuller.  Fuller is directed to a                    
          cladded optical fiber.  We note that the Examiner relies on                  
          Fuller for the teaching of using halide materials for the                    
          optical fiber.  We                                                           















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