Ex Parte Leigner et al - Page 2

                   Appeal 2007-2915                                                                                                    
                   Application 10/151,637                                                                                              
                   Application, under 35 U.S.C. § 103(a).  We have jurisdiction under 35                                               
                   U.S.C. § 6(b).  We AFFIRM.                                                                                          
                           The claimed subject matter relates to a plastic container containing                                        
                   glycerol monostearate (“GMS”) at levels above about 4,000 ppm added only                                            
                   to its inner surface layer.  Claim 17 is illustrative and reads:                                                    
                                   A plastic container for containing a food product,                                                  
                                   said container comprising integral sidewalls and a                                                  
                                   bottom portion defining a compartment to contain                                                    
                                   the food product and having at least an interior                                                    
                                   layer for contacting the food product and an                                                        
                                   exterior layer, wherein the interior layer is about                                                 
                                   0.01 to about 1 microns thick, and wherein only                                                     
                                   the interior layer comprises a plastic composition                                                  
                                   containing about 4000 to about 8000 ppm glycerol                                                    
                                   monostearate, whereby the food product can be                                                       
                                   released  and removed from the compartment as an                                                    
                                   integral unit.                                                                                      
                           The Examiner has relied on the following references2 as evidence of                                         
                   unpatentability:                                                                                                    
                           Schwarz   US 5,017,436  May 21, 1991                                                                        
                           Wilkie   US 6,022,612  Feb. 8, 2000                                                                         
                   Schwarz and Wilkie qualify as prior art under 35 U.S.C. § 102(b).  The                                              
                   Examiner has rejected claims 17-22 under 35 U.S.C. § 103(a) as obvious                                              
                   over the combined teachings of Schwarz and Wilkie.                                                                  
                           Appellants have not argued the patentability of any of claims 17-22                                         
                   separately.  Therefore, we decide this appeal on the basis of claim 17.  37                                         
                   C.F.R. § 41.37(c)(1)(v).                                                                                            


                                                                                                                                      
                   2 No references to et al. are made in this Decision.                                                                

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