| http://www.w3.org/ns/prov#value | - the linkages an O-ether linkage, or a group of formula (XVII) of the attached drawings R1 represents phenyl or naphthyl, such that the anhydride grouping is attached to the said R1 group on vicinyl carbon atoms; and y is an integer from 2 to 4said component B having a melt viscosity of 50 to 15,000 cP at 160??? C. and a melting range of from 40??? to 250??? C.; the combination of A and B having a
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