Graft copolymer
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United States of America Patent
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-
Aug 18, 2020
Grant Date -
Jan 4, 2018
app pub date -
Dec 29, 2015
filing date -
Dec 29, 2014
priority date (Note) -
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Abstract
A graft copolymer comprising: a core polymer comprising a crosslinked or non-crosslinked polysaccharide, a plurality of primary graft polymers covalently grafted to the core polymer, a plurality of secondary graft polymers covalently grafted to each primary graft polymer, an injectable dermal aesthetic formulation comprising such a graft copolymer and a method of preparing such a graft copolymer.
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