Patent ID: 9446165
Filing Date: 2016-09-20
CPC Classification: A61L,C08G,C08L,Y10T

Claim Text:
1. A swellable, absorbable, fiber- or microfiber-forming, high molecular weight, crystalline polyether-ester comprising: a polyether chain component with a molecular weight of more than about 11 kDa; an inherent viscosity of at least 0.8 dL/g in chloroform or hexafluoroisopropyl alcohol; a heat of fusion of greater than 5 J/g; wherein fibers or microfibers formed therefrom undergo at least 0.5% increase in their cross-sectional area when placed in an aqueous environment for less than three (3) hours; and wherein the polyether-ester comprises a pentablock polymer having a central polyether glycol block interlinked with polyester end blocks via low Tg polymer segments.