{HEAD ~ This invention} is directed to hyperbranched polymers, more particularly to {TAIL ~ hyperbranched polymers} containing silicon atoms, and to their use as an agent for rendering a substrate water repellent 
is directed particularly to
{ HEAD ~ This invention } is directed to hyperbranched polymers , more particularly to { TAIL ~ hyperbranched polymers } containing silicon atoms , and to their use as an agent for rendering a substrate water repellent
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