Ex parte LUCAST et al. - Page 3




                 Appeal No. 95-0733                                                                                                                     
                 Application 07/887,534                                                                                                                 



                 moisture vapor transmission rate of at least 2000 g/m /24 hrs                                  2                                       
                 37EC/100-20% RH when one mil thick as tested using the Upright                                                                         
                 Cup method, an adhesive material having a Standardized Trans-                                                                          
                 mission Rate of at least 900 g/m /24 hrs/37EC/100-20% RH, and a2                                                                            
                 combination thereof; provided that when said high moisture                                                                             
                 vapor transmission layer is selected from a polymeric film                                                                             
                 backing material, said polymeric backing layer is selected                                                                             
                 from a polymeric film backing material having a tensile                                                                                
                 strength when wet that is no more than 30% less than the                                                                               
                 tensile strength of the backing material when dry when one mil                                                                         
                 thick, and when said high moisture vapor transmission layer is                                                                         
                 selected from an adhesive material, said skin contacting                                                                               


                 adhesive layer is selected from an adhesive material having an                                                                         
                 adhesion to skin strength of at least 15 g/in.; with the                                                                               
                 further proviso that none of the materials of the layers a),                                                                           
                 b) or c) is the same as the material of another layer and that                                                                         
                 the overall adhesive composite exhibits a moisture vapor                                                                               
                 transmission rate  of at least about 1200 g/m /24 hrs/37EC/100-                  2                                                     
                 20% RH.                                                                                                                                
                                   The references of record relied upon by the examiner                                                                 
                 are:                                                                                                                                   
                 Pawelchak et al. (Pawelchak)     4,538,603     Sept.  3, 1985                                                                          
                 Heinecke                         4,598,004     July   1, 1986                                                                          


                                   The appealed claims stand rejected  for obviousness          2                                                       
                 (35 U.S.C.  103) over Pawelchak in view of Heinecke.                                                                                  


                          2The claims stand or fall together.  See the Brief at                                                                         
                 page 3.                                                                                                                                
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