Degradable poly(vinyl alcohol) hydrogels
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United States of America Patent
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Mar 23, 2004
Grant Date -
N/A
app pub date -
Nov 15, 2000
filing date -
Nov 15, 1999
priority date (Note) -
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Abstract
Biodegradable biocompatible hydrogels based on poly(vinyl alcohol) and methods for their preparation. The methods for preparation of the hydrogels involve the use of prepolymers. The prepolymers have a PVA backbone and pendant chains that include a polymerizable group. In one embodiment, the pendant chains also include a biodegradable region. In another embodiment, biodegradable regions are incorporated into the hydrogel during its formation.
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