Ex parte HORST WENZLER - Page 2




                Appeal No. 95-4644                                                                                                            
                Application 08/031,430                                                                                                        



                         46.  A remediation method for a gas containing high                                                                  
                concentrations of more than 1,000 ppm ethylene oxide, said method                                                             
                comprising the steps of:                                                                                                      
                         a) in the presence of water and a catalyst, simultaneously                                                           
                adsorbing and absorbing ethylene oxide as well as wet-                                                                        
                catalytically converting ethylene oxide to ethylene glycol on a                                                               
                material that acts simultaneously as an absorbing medium, an                                                                  
                adsorbing medium, and a catalyst carrier;                                                                                     
                         b) rinsing said material with water in the presence of the                                                           
                catalyst and thereby converting remaining and incompletely                                                                    
                converted ethylene oxide of step a) to ethylene glycol; and                                                                   
                         c) repeating steps a) and b) when needed.                                                                            
                         The references relied on by the examiner are:                                                                        
                Kruse et al (Kruse)                               4,828,810                May  9, 1989                                       
                Buonicore et al (Buonicore)                       4,831,196                May 16, 1989                                       
                Process for Air Pollution Control, G. Nonhebel, Butterworth & Co.                                                             
                Ltd, (1972), pp 271-275 (hereinafter referred to as "Nonhebel").                                                              
                         The appealed claims stand rejected as follows:                                                                       
                         (1) Claims 46, 47 and 58 through 64 under 35 U.S.C.  103                                                            
                as unpatentable over Buonicore and Kruse ; and                     2                                                          
                         (2) Claims  48 through 57 under 35 U.S.C.  103 as                                                                   
                unpatentable over Buonicore, Kruse and Nonhebel.                                                                              

                         2In the final office action dated February 17, 1994, the                                                             
                examiner rejected claims 46, 47 and 58 through 64 under 35 U.S.C.                                                             
                 103 as unpatentable over Buonicore in view of Kruse.  In the                                                                
                Answer, however, the examiner inadvertently referred to claim 46                                                              
                as claim 47 by repeating "47" twice.  For the purposes of this                                                                
                appeal, we will presume that claim 46 is still rejected under                                                                 
                 103.                                                                                                                        
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