| http://www.w3.org/ns/prov#value | - Moreover, although these prior art latexes are generally useful for many applications involving forming free films and coatings, including in paper uses (page 29, last line to page 30, line 11), the polystyrene based latexes tend to be too hard as binder components in paper coating compositions.In the light of these shortcomings the technical problem underlying the patent in suit can thus be seen
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