Main > PHARMA. > Drug Delivery > Hydrogel > BioErodible Hydrogel. > Patent. > Claims > Claim 1: CrossLinker PolyAcid with > >2 Acid Groups Covalently Connected > to Reactive Groups Use CrossLink > Polymer Filaments; Wherein between > >1 Reactive Group & Acidic Group > BioDegradable Sequence Consisting: > 1-6 HydroxyAlkyl Acid Ester Group > Seq. Claim 2: PolyAcid is > PolyCarboxylic Acid. Claim 3: > Water Soluble Region between > Acidic & Reactive Groups. Claim 4: > HydroGel. Claim 5: Polymer Filament > Hydrophobic. Claim 6: PolyAcid > >1 Acid Group Link to Water Soluble > Region. Claims 7,8,9: PolyAcid: > DiAcid; TriAcid; PentaAcid or > TetraAcid resp. Claim 10: PolyAcid: > EDTA or DTPA. Claim 14: > HydroxyAlkyl Acid Ester Select: > Lactate and Glycolate. Claim 15: > Glycolic Ester/DL-Lactic Acid Ester

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Glycolic Ester/DL-Lactic Acid Ester's subsections
/L-Lactic Acid Ester. Claim 16:

Glycolic Ester/DL-Lactic Acid Ester's products
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