Ex Parte Hei et al - Page 10

                Appeal 2006-3208                                                                                 
                Application 10/097,232                                                                           
                Patentability of the Dependent Claims                                                            
                       Appellants separately argue certain claims or groups of claims.  We                       
                address these arguments below:                                                                   
                       1.  CLAIMS 2-5: THE FORM OF THE COMPOSITION                                               
                       Each of these claims specifies the form of the composition of claim 1:                    
                Claim 2 requires an “aqueous liquid;” claim 3 requires a “non-aqueous                            
                liquid;” claim 4 requires a “powder;” and claim 5, a “shaped or molded                           
                solid.”                                                                                          
                       Li discloses aqueous and nonaqueous liquids (FF 3).  Commercial                           
                lubricants in the form of powders were also available at the time the                            
                invention was made (FF 4).  Additionally, Li discloses their conveyor                            
                lubricant composition in the form of a solid in the shape of a portion of the                    
                bottle of Fig. 1 (FF 8).                                                                         
                       2.  CLAIMS 6-12:  SINGLET GENERATING AGENTS                                               
                       Claim 6 requires a “photochemical singlet oxygen-generating agent,                        
                clearly taught by Goodrich (FFs 13 & 14).  Claims 7, 10, and 11 each                             
                require the agent be limited to one of a list of specific dyes, including one or                 
                more taught by Goodrich (FF 15).                                                                 
                       Claim 12 limits the amount of the dye.  Without evidence of                               
                unexpected results due to the numerical limitations in claim 12, it would                        
                have been within the level of skill in the art to optimize the amount of dye                     
                used.  See, e.g., In re Geisler, 116 F.3d 1465, 1470 (Fed. Cir. 1997) (“Only                     
                if the ‘results of optimizing a variable’ are ‘unexpectedly good’ can a patent                   
                be obtained for the claimed critical range.” (quoting In re Antonie, 559 F.2d                    
                618, 620, 195 USPQ 6, 8 (CCPA 1977)), quoted with approval in In re                              
                Peterson, 315 F.3d 1325, 1330 (Fed. Cir. 2003).                                                  

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