PATENT INTERFERENCES NO. 102,922 & 103,088 DUMAS V. GILL - Page 24




                 Interference No. 102,922                                                                                                               
                 Interference No. 103,088                                                                                                               
                 the                                                                                                                                    
                 Gill arguments.  Initially, we point out that Dumas himself                                                                            
                 testified that Hercon ®40 and Hercon® 48 contain alkyl ketene                                                                          
                 dimer and a cationic resin.  This testimony is corroborated by                                                                         
                 the manufacturing specifications put out by Hercules who makes                                                                         
                 these products, DX’s 4-5 and 17-19  and by the testimony of  8                                                                         
                 Evans (DR 74-75) and Hosker(DR 147-148, 154-155), long time                                                                            
                 employees                                                                                                                              
                 of Hercules, who indicated their awareness of the contents of                                                                          
                 these products.  Alberts (DR 169, 178-181, 198-199) and                                                                                
                 Fredericks (DR 212-213, 216-217, 238-240) both product                                                                                 
                 supervisors for AKD at Hercules, also indicate their                                                                                   
                 familiarity with the product and its formulation.  Both                                                                                
                 indicate that the                                                                                                                      
                 specifications of Hercon® would not change nor would the                                                                               
                 ratios of resin to dimer.  Techentin provided the structure                                                                            
                 for AKD.  This evidence is further confirmed by Gill, himself,                                                                         
                 who acknowledges that AKD was a commercially available product                                                                         


                          8DX4 and DX5 identify Hercon® 40 and 48 as containing                                                                         
                 Aquapel® 364 and Resin 2399 in dffering ratios, DX-17 identifies                                                                       
                 Aquapel® 364 as ketene dimer.  DX 19 identifies Resin 2399 as                                                                          
                 polymer 2399 and epichlorohydrin.  DX identifies polymer 2399 as                                                                       
                 diethylenetriamine (DETA) and dicyandiamide (DICY).                                                                                    
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