{HEAD ~ The treated substrate} 1 wherein {TAIL ~ the lower 90 weight percent} of said polymethacrylic acid and said copolymers of methacrylic acid have a number average molecular weight in the range of about 500 to 20,000 
wherein
{ HEAD ~ The treated substrate } 1 wherein { TAIL ~ the lower 90 weight percent } of said polymethacrylic acid and said copolymers of methacrylic acid have a number average molecular weight in the range of about 500 to 20,000
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH