Ex parte LEITCH et al. - Page 2




                 Appeal No. 96-0937                                                                                                                     
                 Application 08/203,723                                                                                                                 



                 Advisory Action mailed November 30, 1994 (Paper No. 15).  This leaves claims 1, 2, 4                                                   
                 through 6, 8, 11, 12, 14 through 16, 18 and 20 through 26 for our consideration.                                                       
                          Claim 1 is illustrative of the subject matter on appeal and reads as follows:                                                 
                          1.  A hair care composition comprising:                                                                                       
                 (a) a hair styling/conditioning component comprising:                                                                                  
                          (i)      from about 0.1% to about 10%, by weight of the composition, of a silicone                                            
                 macromer-containing hair styling/conditioning copolymer, said silicone macromer,                                                       
                 molecular weight (weight average) of from about 1,000 to about 50,000, covalently                                                      
                 bonded to a nonsilicone organic polymer backbone or organic oligomeric portion of a                                                    
                 polymeric backbone, said copolymer having a molecular weight of from about 200,000                                                     
                 to about 1,000,000 and a Tg of at least about -20EC;                                                                                   
                          (ii) from about 0.1% to about 99.7%, by weight of the composition, of volatile                                                
                 solvent in which said copolymer is soluble or dispersible, said volatile solvent being a                                               
                 volatile silicone fluid which is immiscible in water, wherein said copolymer is solubilized                                            
                 or dispersed in said volatile silicone fluid to provide a copolymer-volatile solvent                                                   
                 solution, and wherein, when said solution is dried, the copolymer separates into a                                                     
                 discontinuous phase which includes the silicone macromer and a continuous phase                                                        
                 which includes the nonsilicone organic polymer backbone or organic oligomeric portion;                                                 
                 and                                                                                                                                    
                          (iii) a nonvolatile plasticizer that is safe for topical application to the hair and skin                                     
                 of humans, wherein said composition has a plasticizer:copolymer weight ratio of from                                                   
                 about 1:20 to about 1:1 and said plasticizer is miscible with said copolymer-volatile                                                  
                 solvent solution and has a solubility parameter, *, of between about 7 and about 10                                                    
                                                                                                                                                       
                 (calories/cc) ; and                                                                                                                    
                 (b) from about 65% to about 99.7% of an additional carrier vehicle which is water.                                                     





                                                                           2                                                                            





Page:  Previous  1  2  3  4  5  6  7  8  9  10  11  Next 

Last modified: November 3, 2007