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Section:	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./L-Lactic Acid Ester. Claim 16:.CrossLinker Contg Ethylene Glycol.Oligomer Etc. Claim 17: Reactive.Group Contg C=C. Claim 18: End.Group. Claim 19: Carbonate Etc..Claim 22: CrossLink by Free-Radical.or Michael Addition. Assignee
Code:	56202
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