Patent ID: 7064226

Claim:
A compound of General Formula 1: wherein R and R 1 are each independently hydrogen, a linear or branched C 1-40 alkyl, C 2-40 alkenyl or C 2-40 alkynyl group, an aryl or C 1-40 alkylaryl group or an optionally complex metal ion M n+ /n wherein n is an integer from 1 to 8; the free valences of the silicate oxygen atoms are saturated by one or more of: silicon atoms of other groups of Formula 1, hydrogen, a linear or branched C 1-12 alkyl group or by cross-linking bridge members R 3 q M 1 (OR 2 ) m O k/2 or Al(OR 2 ) 3-p O p/2 or R 3 Al(OR 2 ) 2-r O r/2 ; where M 1 is Si or Ti; R 2 is a linear or branched C 1-12 alkyl group; and R 3 is a linear or branched C 1-16 alkyl group; k is an integer from 1 to 4 and q and m are integers from 0 to 2; such that m+k+q=4; and p is an integer from 1 to 3; and r is an integer from 1 to 2; or other known oxo metal bridging systems; x, y and z are integers such that the ratio of x:y+z, varies from 0.00001 to 100,000 with the fragments [O 3/2 SiCH(CH 2 PO(OR)(OR 1 ))CH 2 CH 2 SiO 3/2 ] x and [O 3/2 SiCH 2 CH 2 PO(OR)(OR 1 )] y always present whilst the integer z various from 0 to 200y.